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Sandalwood in India: Historical and cultural significance of Santalum album L. as a basis for its conservation

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Santalum album L. popularly known as Indian sandalwood, “Srigandha” or “Chandana” has been the most valuable timber in India known for its religious and cultural value since time immemorial. It is deeply associated with the social rituals of Indians and has held a special place in all the major religions of India. The significance of Indian sandalwood and its intimate association with Indians is greatly reflected in written records and oral traditions of India. The heartwood is highly priced for its enriched aromatic essential oil in National and International markets. The oil is used in aroma therapy, cosmetics, perfumes, pharmaceuticals and as an essential commodity on special occasions. Indian sandalwood is indigenous to peninsular India. Due to over-exploitation and illicit felling, S. album is enlisted in vulnerable category of IUCN Red List. Despite its huge commercial and cultural relevance to India, the sandalwood improvement program has been limited and research addressing the two commercially important traits like heartwood formation and essential oil yield has not generated noteworthy output to support an effective breeding program for this important tree species. Considering its cultural and religious importance there is an urgent need to conserve the species. The present study envisages the values, beliefs, stature of sandalwood in Indian culture and how the traditional knowledge can be made use off in formulating the strategies for effective conservation of this flagship species.
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NeBIO I www.nebio.in I December 2019 I 10(4): 235-241
Received 21 November 2019 I Accepted 29 December 2019 I Published online 31 December 2019
Citation: Sandeep C. & Manohara T.N. 2019. Sandalwood in India: Historical and cultural significance of
Santalum album
L. as a basis for its
conservation. NeBIO 10(4): 235-241.
Acknowledgement
The authors are thankful to the Director, Institute of Wood Science and Technology, Bengaluru and to the Director, Kerala Forest Research Institute,
Thrissur, Kerala for their constant support and encouragement. Authors arealso thankful to the National Medicinal Plants Board (NMPB), New Delhi.
Financial support from the Council of Scientific and Industrial Research(CSIR), Government of India through Senior Research Fellowship to Sandeep
C(09/813(0003)/2015 EMR I) is gratefully acknowledged.
Copyright © Sandeep & Manohara. 2019. NECEER, Imphal allows unrestricted use, reproduction, and distribution of this article in any medium by
adequate credit to the author(s) and the source of publication.
NeBIO,
An International Journal of Environment and Biodiversity
Official publication of North East Centre for Environmental Education (NECEER), Imphal I ISSN 2278-2281 (Online), 0976-3597 (Print) I www.nebio.in
REVIEW ARTICLE
Sandalwood in India: Historical and cultural significance of
Santalum album
L. as a basis for
its conservation
Sandeep C.* & Manohara T.N.
Silviculture and Forest Management Division,
Institute of Wood Science and Technology, 18th Cross, Malleswaram, Bengaluru, India
Email: sandeep.c.naidu@gmail.com
ABSTRACT
Santalum album
L. popularly known as Indian sandalwood, Srigandha or Chandana has been the most valuable timber in
India known for its religious and cultural value since time immemorial. It is deeply associated with the social rituals of Indians
and has held a special place in all the major religions of India. The significance of Indian sandalwood and its intimate
association with Indians is greatly reflected in written records and oral traditions of India. The heartwood is highly priced for its
enriched aromatic essential oil in national and international markets. The oil is used in aroma therapy, cosmetics, perfumes,
pharmaceuticals and as an essential commodity on special occasions. Indian sandalwood is indigenous to peninsular India. Due
to over-exploitation and illicit felling,
S. album
is enlisted in vulnerable category of IUCN Red List. Despite its huge commercial
and cultural relevance to India, the sandalwood improvement program has been limited and research addressing the two
commercially important traits like heartwood formation and essential oil yield has not generated noteworthy output to support
an effective breeding program for this important tree species. Considering its cultural and religious importance, there is an
urgent need to conserve the species. The present study envisages the values, beliefs, stature of sandalwood in Indian culture
and how the traditional knowledge can be made use in formulating the strategies for effective conservation of this flagship
species.
KEYWORDS: Chandana, conservation, Indian heritage, sandalwood, traditional knowledge.
Introduction
Indian sandalwood (
Santalum album
L. Family: Santalaceae) is an
evergreen tree commonly found in dry deciduous forests of India.
It can reach a height of 20 m and attain a girth of 2.5 m (Fig. 1)
(Sen Sarma, 1982; Rai, 1990; Viswanath
et al.,
2009). It can grow
from sea level to 5000 m altitude (Rama Rao, 1908; Venkatesan,
1980; Rai, 1990) and can associate with more than 300 species of
plants (Rama Rao, 1903; Rama Rao, 1911; Annapurna
et al.,
2006).
It is an obligate hemi-parasite, hardy species and can adapt well
in various agro-climatic conditions (Troup, 1921; Annapurna
et al.,
2006). The seeds of
S. album
exhibit polymorphic forms.
Karyotyping of chromosomes revealed that the somatic cells of
Santalum
were diploid and the chromosome number in
S. album
was 2n=20 or n=10 (Darlington and Wylie, 1955; Zhang
et al.,
2010). Being an out-crossing species, it shows variations in leaf
size and shape, flower structure, flowering season, heartwood
and oil content (Kulkarni and Srimathi, 1982; Arun Kumar
et al.,
2012). It is popularly known as white sandalwood, also popular as
Sandeep & Manohara » Sandalwood in India: Historical and cultural significance as a basis for its conservation NeBIO 10(4): 235-241
236
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“Dollar earning parasite” (Krishnappa, 1972; Durairaj and Kamraj,
2013) and its essential oil is ordained as “Queen of essential oil”
(Radomiljac
et al.,
1998). It is well known as “Indian sandalwood”
whereas, it’s oil as “East Indian sandalwood oil” in western
societies and has huge demand in the international and national
markets. It is indigenous to peninsular India (Ramaswamy, 1956;
Gairola
et al.,
2008) and exploited rampantly for its high economic
worth (Fox, 2000). It is distributed 30°N to 40°S from Hawaiian
Archipelago in the north to New Zealand in the south and from
Indonesia in the east to Juan Fernandez Islands (Chile) in the
west. Indian sandalwood is a highly valued tree of global fame
and is acknowledged as Royal tree (Fox, 2000). More than 170
species of insect-pests are known to infect
S. album
and the spike
disease was once regarded as a major threat to this species.
Sandalwood bioresources of south India, especially, the
populations in its natural stands is seriously threatened and needs
immediate attention.
Figure 1. A very tall Sandalwood tree in the last remaining natural
sandalwood reservoir of Marayur, Kerala.
Historical and cultural importance of Indian sandalwood
Importance and uses of sandalwood in different times
Historically, sandalwood is amalgamated with the Indian heritage,
culture and tradition (Srinivasan
et al.,
1992; Fox, 2000). It is
commonly known as Chandana (Sanskrit) in India and as white
sandalwood (English) or as East Indian sandalwood in western
societies. Sandalwood is closely associated with human
civilization since time immemorial that has continued to fascinate
artists and craftsmen (Campbell, 1883; Kushalapa, 1998). The
largest market segment for Indian sandalwood are the products
and applications meant for religious, ritual and ceremonial
purposes. In Indian culture, it is regarded with special reverence.
Indians have a strong spiritual association with sandalwood and
the heartwood is burnt at weddings and funerals.
S. album
is the
state tree of Karnataka and Karnataka is critically acclaimed as
land of sandalwood (
Gandhada Nadu
), while the region in and
around ‘Mysuru’ is eulogized as a sandalwood shrine (
Gandhada
Gudi
) (Adkoli, 1977; Fox, 2000). From its natural area of
distribution (Campbell, 1883),
S. album
was introduced to
Northern, Central (Srinivasan
et al.,
1992), North Western (Das,
2013) and North Eastern India (Viswanath, 2014; Babita
et al
.,
2016). Though
S. album
is indigenous to Deccan plateau it is
getting naturalized in other parts of India and elsewhere (Sandeep
et al.,
2016). Indian sandalwood is idolized in most of the religions
especially Hinduism and Buddhism. Sandalwood is used in every
aspect of human life, especially in Indian culture and civilizations
as it is required from cradle to cremation. In India, it is used in the
production of attars from countless centuries. Attar is a blend of
sandalwood oil and flower oil, such as rose petal, jasmine, kewda
and others. The quality of attar is dependent on the concentration
of flower effervescence within sandalwood oil. Varieties of attar
products are produced in India and it forms an important
constituent for the manufacture of incense sticks and scented
tobacco such as Pan Masala, Zarada and Gutka. Its oil is used in
perfumeries, soaps and toiletries, ayurvedic and pharmaceutical
applications. Due to non-availability of sufficient quantity, oil
industries depending on
S. album
are forcibly yielding towards
alternatives of Western Australian, Fiji, New Caledonia and South
African
Santalum
species.
Vedic and Indus valley period
From the times of Harappan civilization tree worshiping was
practiced in India. Indians were very well aware of medicinal
importance of plants and mastered the art of ayurvedic medicine
since Vedic period. Vedic and Indus valley period witnessed
utilization of sandalwood in the form of fine woodworking artefact
or carving deities (Fig. 2), ritual bathing of Hindu deities, temple
construction material and for ceremonial causes (Campbell, 1883;
Adkoli, 1977; Kushalapa, 1998; Fox, 2000). Its importance in Indian
culture is referred in Vedic literature,
Puranas
(ancient Hindu texts
eulogizing various deities),
Subhashitas
(collection of eloquent
sayings written by ancient Sanskrit poets), mythology (stories on
supernatural beings and events) and in the ancient scriptures
(sacred writings). The Sanskrit manuscripts that are more than
4000 years old cite sandalwood oil as the oldest known perfumery
Sandeep & Manohara » Sandalwood in India: Historical and cultural significance as a basis for its conservation NeBIO 10(4): 235-241
237
ISSN 2278-2281 (Online), 0976-3597 (Print) I www.nebio.in
Figure 2. Sandalwood idols of Lord Krishna and Radha with decorative frames found in the Salar Jung Museum, Hyderabad.
material. During the age of Yajur Veda sandalwood was used in
sacrificial fires (Anon, 1972), while the treaties of loud hymns in
Rig Veda and melodious hymns of Sama Veda give indirect
evidence of Indian sandalwood. It is cited even in the oldest of
Indian literatures such as
Milinda Panha
(200 B.C.),
Patanjali
Mahabhasaya
(100 B.C.),
Dhamma Pada
,
Anguttara Nikaya
(The
teachings of Buddha) and
Vinaya Pitaka
(300-400 B.C.). In
Milinda
Panha
(Buddhist doctrine), Buddhist sage while referring to the
path of righteousness mentions that
No flower’s scent can waft
against the wind, not sandalwood’s, nor musk’s, nor jasmine
flowers. But the fragrance of the good goes against the wind in all
directions the good man’s name pervades
. While describing
nibbana
in
Milinda Panha,
the sage also mentions that
Like
sandalwood, it is hard to get, its fragrance is incomparable and it
is praised by good men
”. The medical treatises of
Charaka
and
Susruta
clearly gave the detailed description of Indian
sandalwood and called it as
Shweta Chandana
(white
sandalwood). Later the name of
Shweta Chandana
was adopted
and
S. album
was known by the common name of white
sandalwood.
Sandalwood in Puranic literature and Indian mythology
Puranic literature occupies an intermediate position and is
believed to be between Vedic age and the period of classical
literature (Pusalker, 1955). Eighteen major canonical
Puranas
were
written during the period and significant among themare
Agni
Varta Purana
,
Brahma Vaivarta Purana
,
Bhagavata Purana
,
Kurma
Purana
,
Matsya Purana
,
Skanda Purana, Shiva Dharma Purana,
Vamana Purana
and
Vayu Purana
. According to
Kurma Purana’
,
the plants appeared on earth through the dermal pores of Lord
Brahma. Vyasa Rishi mentioned about the usage of Indian
sandalwood in
Puranas
. In ancient Hindu cultura, few trees have
been associated with wisdom, knowledge, hidden secrets and
considered as sacred.
Agni Varta Purana
gives the details of
plants and plant materials to be used during
homa, havana
and
other religious ceremonies. It is an important ingredient in
homa/havana’
, a Hindu ritual wherein offerings to the gods are
made into a fire on special occasions.
Brahma Vaivarta Purana
considers the importance of Indian sandalwood and narrates that
Brahma created it through meditative contemplation. In
Brahma
Vaivarta Purana,
it is mentioned that
Goddess Lakshmi
’’ (Goddess
of wealth) resides in sandalwood, thus Indian sandalwood tree is
believed to be auspicious and bringer of wealth.
Vamana Purana
recommends the worship of
Lord Shiva
with the beige-colored
paste of Indian sandalwood. In south India, it is believed that
possession of healthy Indian sandalwood tree in one’s garden
would ward off evil spirits, black magic and attract wealth for the
owner. Even today some households in south India which are
aware of this fact prefer to plant sandalwood in their home
gardens to prosper wealth and is considered as a secretage-old
tradition. In Coimbatore, many households have planted
S. album
along with
Murraya koenigii
in their home gardens. Likewise,
S.
album
is commonly planted in the home gardens of many
households in Kerala. Indian mythology cites sandalwood in
various instances and according to a legend,
Goddess Parvati
created statue of a child using turmeric and sandalwood paste.
Later, the statue was blessed to life and came to be known as
Lord Ganesha
(God of intellect). In
Bhagavata Purana
, an
appreciation hymn mentions that
Lord Krishna
and
Lord Balarama
on their way to
Vrishni
Kingdom came across a dwarf named
Kubja
carrying paste of sandalwood to a tyrant king named
Kamsa. It is narrated that the dwarf lady was blessed by
Lord
Krishna
to become a beautiful woman after she applied the
sandalwood paste to those two divine brothers. According to
Panchatantra
stories (before 5th century), Indian sandalwood was
endemic to the Malaya mountains of southern India. Indian
sandalwood was utilized, cultivated and traded by many cultures
throughout the world since several hundreds of years. In the
Ramayana while referring to river Tambrapani (
Tamara Parni
)
says that river islands covered with forests of sandalwood goes
down the sea as a beloved maid to her lover”.
Indian sandalwood in various religious practices
Sandalwood has high spiritual significance in ritualistic practices
andis used in the sacred fires of Zoroastrian temples with a belief
that it soothes the troubles of all humanity. Egyptians and
B
C
A
Sandeep & Manohara » Sandalwood in India: Historical and cultural significance as a basis for its conservation NeBIO 10(4): 235-241
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ISSN 2278-2281 (Online), 0976-3597 (Print) I www.nebio.in
Ceylonese used it for medicinal purposes, religious purposes and
for embalming mummies. Indian sandalwood incense is the oldest
type of incense used that dates back to 4000 years old (Adkoli,
1977). It is burnt during prayers in Buddhist religion. It is
mentioned as an item of toiletry in Buddhist Jataka stories of 7th
century B.C. Herbalists believe that the fragrance emitted from
the sandalwood incense helps to promote an atmosphere of open-
mindedness, peace and spiritual awareness. Sandalwood incense
is used in Catholic Church and Jewish Synagogues. Indian
sandalwood was one among the most treasured item of
commerce that was exported from India to Roman Empire. The
renown of sandalwood can be realized by the quotes of Lord
Buddha and Nobel Laureate Gurudev Rabindranath Tagore. Lord
Buddha described Sandalwood tree as - “Sandalwood, tagara,
lotus, jasmine the fragrance of virtue is unrivalled by such kinds
of perfume” while Gurudev Rabindranath Tagore as “The
sandalwood tree as likely to prove, sweetestthat can even
conquer hate, love and perfumes the cruel axe that lays it low”.
The value of this species is underlined with the fact that
sandalwood imparts fragrance even to the axe that cuts it. As the
sacred trees are common in India, it is said that once upon a time
sandalwood was found abundantly in Coorg (Kodagu) (Fischer,
1928). Kodagu district of Karnataka has more than 600 sacred
grooves known as
Devara Kadu
in Kannada spanning in an area
of 10,000 acres. Since India is aspectacular country of sacred
deities many temples across India maintain trees in its
surrounding as a symbol of sacredness and secular power. Nine-
planets of Solar system in a Sanskrit hymn is rendered as
Arkasamidam Adithygya
(
Calotropis gigantea
represented as Sun),
Palashagam Somaya
(
Butea monsperma
represented as Moon),
Khadiram Angarakaya
(
Acacia catechu
represented as Mars)
Apamargam Bhudhaya
(
Achyranwhus aspera
represented as
Mercury),
Ashwatham Brihaspathaye
(
Ficus religiosa
represented
as Jupiter)
AudumbaragShukraya
(
Ficusglomerata
represented
asVenus)
ShamigamShaiaischaraya
(
Acacia ferruginea
represented
as Saturn)
Rahuve Doorvaya
(
Cynodon dactylon
represented as
Rahu) and
Kethuve Kushaya
(
Saccharum spontaneun
represented
as Kethu). More than half a tonne of Indian sandalwood is
required annually by Tirumala Tirupati Devasthanam (TTD) to
conduct
Snapana Thirumanjanam
(celestial bath), pre-dawn
ritual
Suprabatham
and last seva
Ekantha seva
of
Lord
Venkateshwara
. To meet this demand TTD has started growing its
own sandalwood spanning an area of 100 hectares near
Parveta
Mandapam
, 3 km from the actual shrine of
Lord Venkateshwara
in
Tirumala, Andhra Pradesh. Likewise, Art of Living Foundation also
has plantations of Indian sandalwood in its premises.
Indian sandalwood during anno domini
Kalidasa (5th century A.D.) in his poem ‘Raghuvamsa’ referred
sandalwood at various citations. Trade, economic significance and
origin of sandalwood have been cited in the Periplus of the
Erythrean Sea (written in the 2nd century), Kautilya described a
variety of sandalwood in his
Arthasastra
(200 B.C.),
Panchatantra
,
Kavya- Mimamsa
of Rajashekar (880 - 920 AD). Ilango- Adikal, the
Tamil poet quotes that Indian sandalwood originated in the
Southern Mountain (
Malaya Tenmalai Piranda Chandanam
)
(Srinivasan
et al
., 1992). Indian sandalwood is considered to be a
native of South Western Ghats, especially from the region of
Coorg (Kodagu) in Karnataka (Majumdar, 1941). Amarkosha
(Lexicon 3rd century A.D.) glorifies the usage of sandalwood in
Indian culture (Majumdar, 1941). Ramaswamy (1956) reported that
India is the native of
S. album
and his observations were based on
the recorded history of its occurrence in India which was of 2300
years old. From 13th to 18th century it remained significant
economic bioresource that led dynasties for expeditions, warfares
and invasions to India (Ganeshaiah
et al.,
2007). The TTD, in India,
daily requires large quantities of sandalwood paste.A day before
the Brahmotsavam festival of Lord Venkateshwara, interiors of the
sanctum sanctorum and the small shrines are smeared with a rich
paste of sandalwood. During the Brahmotsavam, while the deity
is around procession, the priests distribute sandalwood powder
used for the rituals to devotees
en route
. The Lord Venkateshwara
is referred as Chandana Charchita Govinda (The English narrative
would be The Lord of the untainted form, The Lord who is
beautiful and anointed by sandalwood paste, The Lord who has
body tint equal to that of cloud”). This ‘woody marvel’ was known
to Indians for countless centuries and south Western Ghats in
India is considered as its natural area of distribution (Majumdar,
1941; Ramaswamy, 1956; Viswanath
et al.,
2009). Though the
usage of sandalwood dates back to Vedic period, it can be said
that the real population decline of sandalwood began during the
times of Tipu Sultan due to his monopolistic policies accompanied
with the epidemic of spike disease.
Factors leading to the decline of natural populations of
S. album
in India
Tipu Sultan,
de facto
ruler of the kingdom of Mysore, hailing from
an Arab migrant tribe (Quraish) used to frequent Turkey and
Afghanistan for trade. Some researchers opined that Tipu never
hesitated to take the help of Afghans and French’s to expel the
one he hated and applied all sorts of strategies to get maximum
benefit from trades (Lafont, 2001). However, historians and
researchers admire him as a progressive king who constantly
looked out for best global technology for his kingdom. Apart from
his ground breaking changes in economy from going cashless to
modernizing warfare system with rocket technology Tipu
introduced a stock yard system for storage of sandalwood known
as ‘
Sandal Koti
in 1799,
Koti
meaning stock-yard of sandalwood.
At present, Sandal Koti can be located in Hunsur, Tirthahalli,
Srirangapatana, Shivamogga, Bengaluru, Sagara, Hassana,
Tarikere, Chikamagalur and Fraserpet. During the times of Tipu
Sultan, Afghans, French and Turks favored sandalwood. Thus,
sandalwood trade to Arabian countries was at its pinnacle during
the rule of Tipu Sultan. He coined names for various classes of
sandalwood using Afghan, Arabic and Turkish terms. Later in
1898, the Governments of Karnataka and Tamil Nadu recognized
18 grades of sandalwood for sale. Nevertheless, to establish a
monopoly over Indian sandalwood, Tipu Sultan created a dictum
in 1792. The decree created by Tipu Sultan in 1792, started
monopoly of Indian sandalwood and led to the severe
deterioration of sandalwood populations in south India. Under the
dictum, Indian sandalwood was declared as Royal tree (Fox,
Sandeep & Manohara » Sandalwood in India: Historical and cultural significance as a basis for its conservation NeBIO 10(4): 235-241
239
ISSN 2278-2281 (Online), 0976-3597 (Print) I www.nebio.in
2000). The states of Karnataka and Tamil Nadu later ratified the
mandate to keep sandalwood under the control of their respective
governments. But this decree became a curse than a boon as it
brought more harm than good as many legal obligations were
imposed on sandalwood cultivation. The extraction and disposal
of Indian sandalwood came under Forest Department (1864) of
Mysore state (Adkoli, 1977).
Apart from this, over-exploitation acted as a major cause for
depletion of sandalwood gene pool in its natural area of
distribution (Naseer
et al.,
2012) and resulted in loss of adaptive
gene complexes (Meera
et al.,
2000; Gillieson
et al.,
2008).
Frequent forest fires, grazing, unconventional monoculture
Eucalyptus
plantations, past cyclic epidemic of spike disease
caused by phytoplasma (Mycoplasma like organism) and other
biotic interferences (
Fusarium
,
Pythium
,
Rhizoctonia
, nematodes
etc.) have further contributed to the dwindling of this species,
both in area and density. Its existence in natural stands has
declined and is difficult to tracea greater number of commercially
exploitable sandalwood trees in the forests of Karnataka
(Swaminathan, 1998). Fading populations of higher girth classes
can be traced in the protected boundaries of governmental, non-
governmental organizations, institutions, farmlands and
homesteads in its natural as well as naturalized area of
distribution. India for decades dominated the sandalwood oil
production, but in the current scenario it is importing sandalwood
oil from foreign countries (Dhanya
et al.,
2010). This alarming
condition indicates that there is a need to conserve this species
and enhance its abundance.
Retrospective and prospective methods of sandalwood cultivation
The proud symbol of Indian heritage has always been its tribal
culture. The nature of traditional knowledge has been very diverse
owing to the existence of vast number of medicinal plants in
India. Indian sandalwood has played an important role in
Ayurveda. The huge volumes of indigenous knowledge in India is
cocooned and confined in local communities due to lack of proper
publicity. The detailed usage of Indian sandalwood can be found
in the medical treatment procedures explained by Charaka and
Susruta. Nevertheless, the traditional knowledge of cultivating
plants is now playing a pivotal role to address the healthcare
industries of developing world. Earlier studies reported that
dibbling of seeds in the bushes and sowing of seeds on mounds
was the common practice of traditional cultivation (Troup, 1921;
Kadambi, 1944; Rai and Kulkarni, 1986). Furthermore, it was also
reported that in semi-arid areas of Kolar, Tumkur districts
sandalwood grew well when seedlings were planted in trenches
while its hosts were being grown on the mounds (Cameron, 1894;
Kadambi, 1944; Rai and Kulkarni, 1986). Due to this habit of
dibbling of sandalwood seeds among thorny bushes just before
the beginning of every rainy season, people of earlier generations
were able to propagate sandalwood in the semi-arid tracts of
Mysuru that later went on to become rich forests of sandalwood.
Bamboo implements or bamboo pole of 1.5 m length with an
internal diameter of 4 cm to 6 cm were used for sowing
sandalwood (4 to 6) seeds. Likewise, it was reported that the
germination of sandalwood was not affected by the thick layered
leaves of Bamboo and
Casuarina
. This may be because the
bamboo litter around bamboo clumps and
Casuarina
leaf litter on
the ground conserve moisture and helped in natural regeneration
of sandalwood. Nevertheless, the traditional and recent methods
used for the regeneration of Indian sandalwood are (a) dibbling of
sandalwood seeds in bushes (b) Sowing of seeds on pits and
mounds by Trench Mound Method and (c) Planting of nursery
grown seedlings. The method of dibbling of seeds is adopted in
scrub jungles with thick bushes and seeds are dibbled during
monsoon. Trench mound technique involves sowing of other
species along with sandalwood seeds. The seeds of other species
provided as hosts (
Albizzia
sp.,
Cassia siamea
and
Pongamia
pinnata
) generally show good compatibility with sandalwood.
Trenches of 3 m x 30 cm are aligned along contours in rows of 6 m
from each other with a distance of 3m end to end between one
trench and another along the same row. The height of mound is
anywhere around 30 cm while seeds are sown in shallow furrows
(4 cm deep) along the crest of the ridge.
In the current scenario, the most prospective and lucrative method
of sandalwood cultivation is the method of using nursery grown
seedlings. Generally, two types of seed beds are prepared for
raising seedlings (sunken or raised). Raised beds are used in the
regions with high rainfall. Healthy seedlings of about 30 cm
height with dark brown bark of 6 months are best suited for
planting. Approximately 2500 healthy seedlings can be produced
from 1 kg seeds. After relaxation in constrictive government
policies for sandalwood cultivation, there is an enormous demand
for its saplings in India.
Conclusion
Indian sandalwood has been inseparable part of Indian culture
and tradition. Its utilization has been witnessed from the Indus
valley civilization to the present modern era. Sandalwood tree is
being grown in the home gardens of many households in south
Indian states. Traditionally, it is believed that growing
S. album
in
one’s backyard would bring prosperity in life (as Goddess Lakshmi
resides in), wards off evil spirits and delete the harmful effects of
black magic. Thus, it could be said that this traditional
beliefknowingly or unknowingly has paved the way for effective
conservation of this flagship species. Furthermore, the present era
has tremendous commercial value for Indian sandalwood in
National and International markets.
S. album
has always held
important place not only in Hindu religion but in almost all the
religions. The Epics, Scriptures, Vedas, Puranas and Buddhist
literatures are contained with reference of the significance of
S.
album
. The sacredness of
S. album
in also witnessed in Indian
mythology. All these factors signify its importance to mankind and
should be considered for conservation in its natural stands.
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... The sought-after wood and oil are still essential in a wide range of industries and activities (Subasinghe, 2013;Teixeira da Silva et al., 2016) and have significant religious and cultural importance, being considered sacred in many parts of the world (Kumar et al., 2012;Rashkow, 2014;Soundararajan et al., 2015). In Hindu, Buddhist and Muslim ceremonies sandalwood is used for incense sticks and as wood for funeral pyres (Sandeep & Manohara, 2019;Teixeira da Silva et al., 2016;Thomson, 2020). ...
... Sandalwood species occur in both tropical and temperate environments (Clarke, 2006;Sandeep & Manohara, 2019) and are slow growing, root hemiparasites that obtain nutrients from a host plant as well as producing their own nutrients through photosynthesis (Barbour et al., 2010;Lee et al., 2019;McLellan et al., 2021;Subasinghe, 2013;Teixeira da Silva et al., 2016). Sandalwood can form parasite-host associations with more than 300 species; however, nitrogen-fixing, woody species are the preferred hosts for sandalwood such as Acacia nicolita, Acacia acuminata, Casuarina equisetifolia, Cynodon dactylon and Cassis siamea (Das, 2021;Doddabasawa et al., 2020). ...
... Natural regeneration of sandalwood stands is slow and remnant populations are isolated, fragmented and show a lack of recruitment (Herford et al., 2015;McLellan et al., 2021). Reduction in range and size of sandalwood populations, due to intense harvest pressure, has resulted in a loss of genetic diversity Indrioko & Ratnaningrum, 2015;McLellan et al., 2021;Sandeep & Manohara, 2019). Further pressures on sandalwood survival include agricultural clearing, fire, grazing impacts on seedling survival, climate change and illegal logging (Herford et al., 2015;Sandeep & Manohara, 2019;Subasinghe, 2013). ...
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Societal Impact Statement Sandalwood and other high value tree species are under significant threat from illegal harvest. Illegal logging is an increasing problem contributing to deforestation, biodiversity loss, human rights abuses and funding transnational crime. Successful prosecution of illegal logging is hindered by a lack of methods to provide evidence of the origin of timber. New analytical techniques have been developed to trace timber back to its source. These methods, together with the establishment of sustainable sources of forest resources, can help protect vulnerable species by providing evidence to prosecute illegal harvest and ensure that commercially available forest products come from sustainable sources. Summary Sandalwood is highly valued for its fragrant oil and has a long history of cultural and economic importance in many regions of the world. Historical overharvest and poor management have depleted natural populations of sandalwood, which are slow to regenerate. The increasing establishment of plantation sandalwood creates an alternative resource for the sandalwood industry while potentially relieving harvesting pressure on natural stands. Due to the high demand for sandalwood, remaining wild populations are still under threat from illegal logging and methods to identify the source of harvested sandalwood are needed. Laws and regulations aimed at preventing illegal harvest and possession of sandalwood have been put in place but cannot be enforced without the forensic tools to independently verify claimed origin or product quality. The high value of sandalwood combined with the difficulties in enforcing illegal logging laws makes these species particularly vulnerable to poaching. There is an immediate need to develop tools that can identify illegally sourced and adulterated sandalwood products. This paper reviews the current and developing scientific tools that can help identify and control illegal activity in sandalwood supply chains and provides recommendations for future research. Topics include isotope and DNA analysis for tracing illegally harvested sandalwood, chemical profiling for quality control of sandalwood oils, network and policy development to establish a framework for future regulation of the sandalwood trade.
... Sandalwood is native to India but is now rarely found in the wild due to commercial and illicit over-exploitation that has caused the decline of its natural population (Rashkow 2014;Sandeep and Manohara 2019). Now considered "vulnerable" by IUCN (Arunkumar et al. 2019;Sandeep et al. 2020), it is cultivated in peninsular India (total plantations covering 9600 km 2 ) and in northern Australia (Dutt and Verma 2005;Viswanath and Chakraborty 2022). ...
Article
Santalum album L. (Santalaceae) is an endangered tree species with high economic potential. To improve its cultivation, the role of strigolactone on the somatic embryogenesis of Santalum leaves was analyzed. Leaves were cultivated in vitro using GR24 (a synthetic analogue of strigolactone) at various concentrations (from 0.1 to 1.0 mg L−1) and meta-Topolin (mT), and integrated microscopy of the somatic embryos was used to describe the structural developments underlying the ontogenesis from the leaf under the influence of GR24. The results showed that Murashige and Skoog medium containing 0.75 mg L−1 GR24 produced a maximum percentage (92.0%) of somatic embryos from the leaf surface and cut ends. Weekly microscopic examinations of cultured tissues showed callogenic primary cell masses and minor vascular bundles along the lamina after 3 wk. The proliferation of these primary cell masses led to the emergence of embryogenic outgrowths from leaf surfaces. The areas undergoing intense cell divisions possessed prominent nuclei. The microscopic examinations confirmed the distinctive developmental stages (globular, heart-shaped, and bipolar structures) of somatic embryos. The highest shoot regeneration frequency (88.9%) and shootlet proliferation were aided by the combined incorporation of 0.5 mg L−1 mT and 0.25 mg L−1 GR24. The regenerated plantlets were rooted and acclimatized successfully under ex vitro conditions with 91.0% survival in field conditions and possessed a normal phenotypic appearance. The described somatic embryogenic protocol can be effectively utilized for large-scale plantlet production, long-term storage, and genetic engineering studies in this multipotent tree species.
... The Sandal (Santalum album Linn.) is one of the most important commercial tree species of India (Sandeep and Manohara, 2019). It is called the 'Royal tree' because its distribution is restricted, its oil is unique and of high value and the santalol in the sandalwood makes the wood impenetrable by termites (Sundararaj et al., 2019). ...
Article
The present investigation on the status of Sandalwood (Santalum album Linn.) in low hills of Himachal Pradesh was carried out in the Department of Silviculture and Agroforestry in the laboratory at the main campus of the Dr. Y. S. Parmar University of Horticulture and Forestry, Nauni, Solan and in the field at Bilaspur and Jawala Mukhi varying in altitude from 500–850 m. The growth behavior of sandals was studied through the selection of 10 ha sampling plot at Bilaspur and 5 ha sampling plot at Jawala Mukhi based on tree density. The investigations revealed that the trees have covered an area of 15 ha at Bilaspur and 30 ha at Jawala Mukhi. The total number of trees growing at Bilaspur and Jawala Mukhi was found to be 1076 and 815, respectively. Further, average oil content was about 3.86 and 3.90% in the heartwood of S. album growing at Bilaspur and Jawala Mukhi. Phytosociological parameters of vegetation in sandal stand at Bilaspur revealed Santalum album as the dominant tree species with its maximum IVI value which corresponds to its higher frequency, basal area, and density.
Chapter
The essential oil extracted from the Santalum genus, known as sandalwood oil is one of the most valuable plant-derived secondary metabolites. It is obtained from the steam distillation of the heartwood of the sandalwood tree. The high value of this oil mainly stems from the limited supply, caused by difficulties in the cultivation of the plant and other socio-economic conditions. All species of the Santalum genus, including the highest oil-producing Santalum album (east Indian sandalwood), are very slow-growing that takes about 15 to 20 years to form heartwood from which oil is distilled. Combined with the loss of cultivatable land and poaching of wild trees make sandalwood oil is very valuable. This oil has seen various applications in the aroma, perfume, cosmetic, flavour and pharmaceutical industries. Though the essential oil of sandalwood constitutes several terpenes and terpene alcohols, the main fragrance-defining constituents of the oil are sesquiterpene alcohols (Z)-α-santalol, (Z)-β-santalol, (Z)-epi-β-santalol and (Z)-α-exo-bergamotol, which are derived from their corresponding sesquiterpenes. In this chapter, we summarise the biosynthetic pathways involved in the formation of terpenoids and genes involved in the formation of key constituents of sandalwood essential oil. We cover different studies carried out towards the complete understanding of the pathway involved in sandalwood oil formation. We also take a look at how the deciphering of the sandalwood oil pathway has enabled bio-engineering approaches for enhanced and sustainable production using various biotechnological strategies.
Chapter
Trees of ancient India had divine beliefs, values and religious significance which influenced where, why and which trees were to be planted, protected and cut. Many tree species have pre-eminent role in Indian Culture, tradition and are regarded as trees of eternal value in Sanatana Dharma. Oriental and Daoic religions of Asia provided trees a sacred place. Indian sandalwood (Santalum album Linn) is an epitome of elegance and the rarest jewel of the plant kingdom in the realms of nature. It is the most valued timber in the whole of Asia. It is a commodity preferred by most nations for over 2,000 years due to its unique set of natural properties. The heartwood of S. album is highly priced for its aromatic oil in international markets. Due to illegal felling and over-exploitation, this species is now enlisted in the vulnerable category of IUCN Red List. It is commonly known by its Sanskrit name ‘Chandana’ in peninsular India. Its noteworthy association with the social rituals of Hinduism is an example of highly advanced civilisations of ancient India that needs a special mention and adoration. It equally holds a special place in all the major religions of India. Its divine association with Hinduism is documented in the written records, hymns and oral incantations of ancient literatures. In spite of its commercial legacies and cultural heritage, the sandalwood improvement programme in India is limited. Owing to its unique importance there is an urgent need to conserve this species. Current study enthrals the beliefs, its importance and significance of traditional knowledge in effective conservation.KeywordsSandalwoodConservationMythology Sanatana DharmaTradition and aromatic oil
Chapter
Candana (Santalum album) is woven into the culture and traditions of India for over two thousand years. It is commonly known as Indian sandalwood which is the oldest and precious source of natural fragrance with immense medicinal, religious, and commercial significance. The economic importance of Candana and its essential oil has made it into the RET (Rare Endangered Threatened) category and it is one of the vulnerable plant species (ArunKumar et al. in The IUCN red list of threatened species, 2019). Candana is used in the traditional Indian system of medicine like Ayurveda, Siddha, and Unani, which is used in treatment and prevention of a wide range of ailments. This chapter aims to capture the essence of traditional knowledge on Candana as documented in Ayurvedic literature from 1500 BC to 1900 AD, with detailed citations and descriptions, translated from ancient Acharyas such as Caraka, Susrutha, and Vagbhata have been covered. Approximately 1011 references of Candana documented in 20 Ayurvedic classical texts, 30 synonyms in Sanskrit denoting its morphological characters, cultural and medical uses, 372 vernacular names found in 10 different languages are a part of this chapter. Vernacular names and Sanskrit synonyms of Candana along with their descriptive meaning illustrate the importance and popularity of Candana on a wider scale. The sheer depth of Indian Knowledge Systems is demonstrated with Sanskrit slokas and their approximate English meaning with the explanation of the various uses of Candana as well as simple and compound medicinal formulations. Highly informative data sources and a bibliography with supportive evidence authentic in nature have also been provided for further referencing.KeywordsTraditional knowledgeNighantuAyurvedaPropertiesFormulations
Book
This book provides a global perspective of Indian Sandalwood categorized as ‘Vulnerable’ by the International Union for Conservation of Nature. It deals with history, distribution, propagation, chemistry, utilization, improvement, trade, and conservation in the present context. This book explores ways and means for restoring its past glory by creating awareness for its conservation and sustainable utilization. The content encompasses informative tables, appropriate graphs and figures, and illustrations with photographs and line drawings. This compendium would be useful for foresters, forestry professionals, botanists, policymakers, conservationists, NGOs, and researchers in the academia and the industry sectors.
Chapter
This global environmental history of Santalum album (L) examines the origins of the use of Indian or white sandalwood in Ayurvedic medicine, Hinduism and Buddhism, and Asian regional and inter-regional trade from roughly 3000 BCE to 2020. It further traces how Indian Sandalwood’s indigenous sources in southern India and Kepulauan Nusa Tenggara (Lesser Sundas) converged as a market that fed demand across Asia, particularly to China, as an export commodity. It reflects on how colonialism and imperialism impacted sandalwood species and had a globalizing effect on Asia, the Indian and Pacific Oceans.
Chapter
Candana (Sandalwood), the heartwood of Santalum album L., an evergreen tree of the family Santalaceae, is closely associated with Indian culture and traditions, particularly Ayurveda, the Indian Traditional System of Medicine. The chapter describes religious and medicinal importance of candana in Ayurveda. Various synonyms attributed to the drug in Classical Ayurveda texts and later nighaṇṭus and their meaning indicating the origin, distribution and therapeutic properties are given. Varietal differences along with their properties as described in various nighaṇṭus are mentioned. Therapeutic uses, pharmacological activities and single drug uses of candana in Ayurveda perspective are also given. Various formulations containing candana as given in classical texts and nighaṇṭus along with their curative indications are detailed.
Article
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Indian Sandalwood (Santalum album L.) may be considered as one of the world's most valuable commercial timber and is currently valued globally for its heartwood and oil. Since liberalization of rules regarding sandalwood growing in 2001 and 2002 there has been tremendous interest among farmers and stakeholders across India in farming this tree. The hemi-parasitic nature of the tree, its adaptability to grow in semiarid tracts and potential to grow in combination with horticultural species as secondary hosts makes it a potent agroforestry species. High demand and remunerative prices of heartwood have motivated farmers/stakeholders to take up sandalwood farming especially in non-traditional areas in many states across India like Gujarat, Rajasthan, Andhra Pradesh, Madhya Pradesh, and Maharashtra since the past decade. The potential of the tree in natural and naturalized forested areas, existing farming systems and other silvi-horticultural systems across India have been studied by IWST including heartwood and oil formation using non-destructive methods. The scope of cultivation in current farming systems including economics of cultivation have been critically analyzed and presented.The current problems and future prospects for increased livelihood opportunities and enhancing farm income levels also discussed along with suggestion for promoting sandalwood farming practices across India.
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Legal barriers for growing sandal, have so far prevented private initiatives for domestication/conservation of this prized tree of Indian forests, accelerated its illegal harvesting from natural forests, and admittedly failed to conserve this resource. We attempted to critically examine the sandal conservation efforts in India especially from a policy perspective, through a detailed review of the various Acts framed for conserving this resource and regulating its extraction and trade. Legal constraints that hamper private initiatives in ex situ sandal conservation/domestication and inconsistency in legal provisions related to sandal extraction and trade among the major producer states of southern India viz. Karnataka, Tamil Nadu, and Kerala are the principal focus of this paper. The need for liberalization of the existing policy regime and evolution of a comprehensive management strategy for sandal, focusing on tree domestication and strengthening of in situ conservation measures backed by imaginative participatory management strategies, are highlighted.
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Santalum album L. (East Indian Sandalwood) which is naturally distributed in the three South Indian states (Karnataka, Tamil Nadu and Kerala), has an important place in the culture and heritage of Karnataka state since ages. The economic value of Santalum album L. arises from the oil present in heartwood of older age classes. However the value of the tree in terms of heartwood and oil content when grown outside its natural distribution range is not well known. Six girth classes of sandalwood trees were selected to estimate heartwood percent and oil yield for all the four locations viz. Assam (Diphu) and Karnataka (Bangalore, Shivamogga and Mysore). Core samples were taken at the level of breast height (1.76 m) using Haglof increment borer and oil content was estimated by simple hexane extract method (Shankaranarayana et.al., 1997). From the current study it was observed that the sample trees from all the locations showed heartwood initiation at the girth class 41-50 cm. More than 50% heartwood was noticed in the girth class of trees 51-60 cm and 70% heartwood in the girth class 71-80 cm and the oil content of these trees were around 1.5 to 3.0 %. Maximum oil content of 4% was noticed in the trees of girth class 91-100 cm. The rate of heartwood formation, trend of increase in heartwood and oil content percent from the Assam populations showed more or less similar pattern to the populations found in Karnataka.
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The transferability of Santalum austrocaledonicum and Santalum insulare SSRs to Santalum album was evaluated to examine molecular diversity 20 accessions of two diverse localities comprising germplasm of MP and Karnataka. The SSR markers distinguished germplasm of both localities and computed genetic diversity levels comparable to those obtained with dominant (RAPD) and co-dominant (isozyme) markers in previous investigations. Nevertheless, the SSR markers combine the advantage of both RAPD and isozyme markers as environmental neutrality and co-dominance, respectively. Application of co-dominant transferable SSR markers confers noteworthy advantage for further investigation of S. album genome for diverse aspects.
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A karyomorphological study on Santalum album was conducted for the fi rst time. The interphase nucleus was a simple chromocenter type while the prophase chromosomes were of the interstitial type. The shoot-tip meristems of some S. album individuals were found to be mixoploid, i.e. 2n = 2x = 20 and 2n = 4x = 40. Two different karyotypes, one diploid (2n = 2x = 20) and one tetraploid (2n = 4x = 40), were also present; their karyotypic formulae were 2n = 20 = 18m + 2sm and 2n = 40 = 32m (2SAT) + 8sm, respectively. The chromosomes of both karyotypes showed centromeres predominantly in a median position and a few submedian centromeres, of 2B type, of a primitive and symmetrical nature.
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Sandalwood (Santalum album L.) is a valuable tree associated with Indian culture. It is the second most expensive wood in the world. The heartwood of the tree is treasured for its aroma and is one of the finest natural materials for carving. Sandalwood oil is used in perfumes, cosmetics, aromatherapy and pharmaceuticals. The monopoly of sandalwood trade by the Governments of Karnataka, Tamil Nadu and Kerala and its consequences have resulted in severe exploitation, pushing S. album into the vulnerable category of the IUCN Red List. Extensive research has shown that sandalwood exhibits considerable genetic diversity for different traits. However, information pertaining to heartwood and oil content is meagre mainly because of non-availability of sandalwood plantations. Carrying out further research on these two important traits is difficult as natural populations have dwindled rapidly. We strongly urge that it is essential to encourage the establishment of community/corporate sandalwood plantations in different parts of India with appropriate incentives and adequate protective measures. These plantations can form the base population sources to regain the leadership of India in the sandalwood industry for perfumery and the precious art of carving.
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Bioresources fuel the emergence of empires and civilizations; political will and social milieu can only catalyse the growth and establishment of the empires that are otherwise sustained by and only by, their biological resources. Emergence of Vijayanagara, as one of the richest empires in the world history, could be attributed to an opportunistic trading of its natural resources, viz. sandal, spices and diamonds, for the guns and horses. The military strength thus gained by the empire helped its growth and dominance over its rival regimes in the north. Similarly, its decline could be traced to the loss of control over, and reduced market value for, the same natural resources. History illustrates that those regimes that efficiently (and not necessarily sustainably) usurp the natural resources, gain political and military dominance over the competing regimes. For sustaining their own over-consumptive patterns of living, these super powers obviously turn to usurp resources from weaker regimes. The exploited poor regimes who are forced to live on limited (and sustainable) use of resources would continue to be weaker and be dominated by the super regimes. Till this vicious cycle is broken, the philosophy of sustainable use of resources continues to be an evasive strategy. Sustainable use of resources has to be a global mantra; else it would be a myth.
Article
Quote “….the devastated remains of the (ancient) synagogue. All that was left were four walls, and the ribs of a roof. And where once the magnificent sandalwood ark had stood, there was little more than a niche in the wall pointing towards Jerusalem…”. Allan Gold, The Lost Testament. Summary Several high value exotic tropical timber trees have been screened in irrigated species selection experiments, on both predominant soil types (the Cununurra clay and Cockatoo sand), as potential plantation species for the Ord River Irrigation Area (ORIA), northern Western Australia, over the past ten years. Santalum album (Indian sandalwood) has demonstrated potential as a plantation species on the flood irrigated Cununurra clay sites. S. album, a root hemi-parasite, requires a range of host species over its entire rotation length. Consequently, a relatively complex multi-species plantation system has been developed to maintain high plantation productivity. Wood quality issues, plantation policy and environmental implications of irrigated ORIA S. album plantations are also discussed. Damage from Mastotermes darwiniensis prevents long term survival of S. album and many other hardwoods on light textured soils in the region. The re-investigation into the reforestation of these soils has commenced with a range of previously untested species. The early performance of a species selection experiment on a trickle irrigated Cockatoo sand site is presented. At seven months of age Tectona grandis (teak), Ptervcarpus macmcarpus (Burma padauk) and Khaya senegalenesis (African mahogany) exhibit good survival and growth.