Fig 2
A. Conidiophores, B. Conidia of Cercospora houttuyniicola. (Bar = 50 μm), C. Conidiophores and D. Conidia of Cercospora houttuyniicola.
Source publication
A total of 17 species of fungi representing 11 genera were found to be associated with Houttuynia cordata Thunb. The isolated fungi were Aspergillus flavus Link, Aspergillus niger Van Tiegh., Cercospora houtttuyniicola Goh et Hsieh, Colletotrichum coffeanum Noack, Colletotrichum dematium (Pers. Ex Fr.) Grove, Colletotrichum gloeosporioides (Penz.)...
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Chemical profiling for quality monitoring and evaluation of medicinal plants is gaining attention. This study aims to develop an HPLC method followed by multivariate analysis to obtain HPLC profiles of five specific flavonoids, including rutin (1), hyperin (2), isoquercitrin (3), quercitrin (4), and quercetin (5) from Houttuynia cordata leaves and...
Consumption and selling of Non Timber Forest Products (NTFPs) are important means to meet nutritional requirements and improve the socio-economic conditions of the rural population. The purpose of this study was to document the status and utilization pattern and assess the economic value of NTFPs sold in the markets of the Itanagar Capital Region (...
Evaluation of total mineral, calcium, selenium, iron content of ten medicinal plants extracts of Manipur having anti-inflammatory properties" was undertaken to analyse the mineral content of ten medicinal plants of Manipur (Cissus adnata, Debregeasia longifolia, Clerodendrum serratum, Polygonum barbatum, Colocasia gigantean, Allium hookerii, Houttu...
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Citations
... All the isolated fungi were tested for their pathogenic potentiality in vitro following Azad and Shamsi (2011). Sclerotium rolfsii was exclusively showed pathogenic to sesame stem. ...
... All the fungi isolated from different parts of sesame were tested for their pathogenic potentiality in vitro following Azad and Shamsi (2011). Sclerotium rolfsii exclusively showed pathogenic to sesame stem [Plate 1]. ...
... Mycoflora of some herbal medicinal plants were examined and related causal agents and associated fungi were identified. Smilax zeylanica, Datura metel, Senna alata, Clitoria ternatea, Catharanthus roseus, Oxalis spp., Rouwolfia serpentina, Huttuyania cordata and Aloe vera ( Shamsiet al. 2008, Aktar and Shamsi 2010, Yasmin and Shamsi 2015, Azad and Shamsi 2011. Shutrodhor and Shamsi 2013, ...
From the time of the establishment until the centennial birth
anniversary of the University of Dhaka in 2021, the Department of
Botany has travelled nearly a path of 82 years of its development and
progress. The department currently hosts nearly 10 different disciplines
on plant sciences through which young pre-graduate level students start
learning the marvels of botanical science mediated by a group of welltrained
qualified teacher. Class room, laboratory, and field-oriented
learnings and research trends have also been generated in this department
over a relatively longer courses of time period. So, the Department of
Botany has an attractive historical chronology through which the present
state of progression has been achieved. In this book, by contributing
chapters on each of the 10 disciplines our experts have highlighted the
curricular activities and the contemporary research trends to address
major goals of SDGs.
Since the time of its inception, several timely needed practical
decisions taken by the higher body of the University of Dhaka at
different phases to start teaching, learning, and research on biology and
(v)
the formation of a separate new department for Botany. This hearttouching
story have been covered entitled the ‘Gateway of Botany’. The
preceded part is followed by different other chapters with concurrent
highlighting the updated curriculum, researches done, and future goals
on most widely mentioned aspects of modern biology as well as basic
and applied botany. The most relevant to that was the ‘Biotechnology
and Genomics for Plant Improvement’. Other botanical and plantenvironment-
based disciplines like: Cytology and cytogenetics, Plant
physiology and climate change, hydrobiology Limnology and
Phycology, Molecular and applied phycology including biodiversity and
seaweed research, Phycology curriculum and research trend, Plant
systematics and its application, Ecology research for biodiversity
conservation, Microbial Biotechnology, Environmental microbiology
and biotechnology and Plant pathology and disease management have
been presented in this book. Prospects of botany has been added as
concluding chapter where the historical, current, global and regional role
of botanical prospects in the Department of Botany, University of Dhaka
have been presented.
I deeply feel that the contents of the book will be useful to our
students, researchers, alumni, and the botanists all around.
... However, many plant pathogens such as viruses, bacteria, nematodes, and fungi infect the rose plant. The plant fungal pathogen included 48 fungal species reported as the cause of several diseases of rose plants worldwide (Azad and Shamsi, 2011;Haque et al., 2013). In Pakistan, the major fungal diseases of the rose plant are black spot, Alternaria leaf spot, stem canker, Cercospora leaf spot and Botrytis blight (Islam et al. 2010). ...
... However, many plant pathogens such as viruses, bacteria, nematodes, and fungi infect the rose plant. The plant fungal pathogen included 48 fungal species reported as the cause of several diseases of rose plants worldwide (Azad and Shamsi, 2011;Haque et al., 2013). In Pakistan, the major fungal diseases of the rose plant are black spot, Alternaria leaf spot, stem canker, Cercospora leaf spot and Botrytis blight (Islam et al. 2010). ...
... However, many plant pathogens such as viruses, bacteria, nematodes, and fungi infect the rose plant. The plant fungal pathogen included 48 fungal species reported as the cause of several diseases of rose plants worldwide (Azad and Shamsi, 2011;Haque et al., 2013). In Pakistan, the major fungal diseases of the rose plant are black spot, Alternaria leaf spot, stem canker, Cercospora leaf spot and Botrytis blight (Islam et al. 2010). ...
Botrytis cinerea is a plant fungal pathogen causing the grey mold disease of rose (Rosa indica L.). Finding new and alternative environment-friendly control strategies than hazardous chemicals on different crop diseases is a crucial and healthy step to cope with the current challenges of climate change. Therefore, this study aimed to evaluate the efficacy of different botanical extracts and biocontrol agents (biopesticides) along with different fungicides against B. cinerea under in-vitro conditions. Three different concentrations i.e., 100, 200, and 300 ppm of five fungicides namely Acrobate, Melody, Cabrio top, Antracol, and Copper oxychloride, botanical extracts of eight plants Dhatura, Ginger, Aak, Neem and Onion, at three different doses of 5, 10, and 15%, and eleven biocontrol fungal agents were used as antagonistic under in-vitro on rose plants, The survey of disease incidence% of grey mold on the rose crop in the region shows that the Hyderabad region has a maximum (60%) disease incidence as compared to Tandojam region (40%). Among fungicides, the Cabrio top significantly reduced linear colony growth (31 mm) of B. cinerea at 300 ppm concentration. Among botanicals, extract of neem plant exhibited significantly lowest colony growth (23.33 mm) followed by the ginger plant (25 mm) and dhatura plant (26 mm). The higher concentration of fungicides and higher doses (15%) of botanicals extracts appeared significantly efficient to control the pathogen B. cinerea. Among biopesticides, Fusarium solani appeared prominent in reducing colony growth (25.16 mm) of the pathogen but the difference was not significant 300 with most of the tested biocontrol agents. The recommendation in this study is the high ability of botanical extracts and biocontrol agents in reducing the growth of grey mold, potentially considering using them instead of synthetic fungicides and more safety for the ecosystem. Keywords: Trichoderma, Fusarium, dhatura, botanical, biological control, synthetic fungicides.
... After complete drying, samples were inoculated with mycelial plug of 1 week old culture by using plug placement method. After 2 weeks of incubation, samples were cut in longitudinal section from the point of inoculation and necrotic lesions were recorded longitudinally and vertically (Lin et al., 2002;Choiseul et al., 2006;Peters et al., 2008 andAzad &Shamsi, 2011 ). Experiments were conducted by using three replicates for each isolate and diseased area was determined by the equation (Area = πlw). ...
... After complete drying, samples were inoculated with mycelial plug of 1 week old culture by using plug placement method. After 2 weeks of incubation, samples were cut in longitudinal section from the point of inoculation and necrotic lesions were recorded longitudinally and vertically (Lin et al., 2002;Choiseul et al., 2006;Peters et al., 2008 andAzad &Shamsi, 2011 ). Experiments were conducted by using three replicates for each isolate and diseased area was determined by the equation (Area = πlw). ...
... were isolated following Tissue planting method (CAB 1968). Pathogenicity test has been done according 'detached leaf assay' followed by Azad and Shamsi (2011) with slight modification. Five fungicides with different active ingredients viz., CM 75 WP (Mancozeb 63% + carbendazim 12%), dithane M 45(80% Mancozeb), Knowin 50 WP [50% carbendazim (methyl benimidazol-2-ylcarbamate)], Nativo 75 WG (500 g tebuconazol, 250 g trifloxy-strobin) and Rovral 50 WP (Iprodione) were collected from the Siddique Bazar, Fulbariya, Gulistan, Dhaka. ...
Five fungicides viz., CM 75, Dithane M 45, Knowin 50 WP, Nativo 75 WG and Rovral 50 WP were evaluated against Colletotrichum lindemuthianum, Drechslera sacchari and Fusarium semitectum following poisoned food technique. Out of five fungicides complete inhibition of radial growth of C. lindemuthianum was observed in Nativo 75 WG at 100 ppm. On the other hand, the complete inhibition of the growth of D. sacchari was observed with Rovral 50 WP at 400 ppm, whereas Nativo 50 WP showed complete growth inhibition at 500 ppm. CM 75 WP, Knowin 50 WP and Nativo 75 WG showed complete growth inhibition of F. semitectum at 100 ppm. Five different plant leaf extracts viz., Azadirachta indica A. Juss., Heliotropium indicum L., Lippia alba L., Michelia champaca L. and Thuja occidentalis L. were tested against the test pathogens. Of the five plant leaf extracts, Lippia alba showed the highest growth inhibition in C. lindemuthianum, D. sacchari and F. semitectum at 20% concentration. Asiat. Soc. Bangladesh, Sci. 46(1): 81-89, June 2020
... All the isolated fungi were tested for their pathogenic potentiality in vitro following Azad and Shamsi (2011). Sclerotium rolfsii was exclusively showed pathogenic to sesame stem. ...
... All the fungi isolated from different parts of sesame were tested for their pathogenic potentiality in vitro following Azad and Shamsi (2011). Sclerotium rolfsii exclusively showed pathogenic to sesame stem [Plate 1]. ...
... All the isolated fungi were tested for their pathogenic potentiality has been done on detached leaf assay followed by Azad and Shamsi (19) with slight modification. Healthy mature leaves of Basella spp. ...
Two major species of Indian spinach, namely Basella alba L. and B. rubra L. were selected to find out associated mycoflora and their pathogenic potentiality. Ten fungi viz., Alternaria alternata, Aspergillus flavus, A. fumigatus, A. niger, Colletotrichum dematium, C. lindemuthianum, Curvularia lunata, Drechslera sacchari, Fusarium semitectum and Penicillium sp. were found to be associated with the selected leaves of Basella spp. Among the isolated fungi C. lindemuthianum, D. sacchari and F. semitectum were found to be pathogenic to Basella spp. Association of C. lindemuthianum and D. sacchari with Basella spp. are recorded first time from Bangladesh. Dhaka Univ. J. Biol. Sci. 29(2): 183-189, 2020 (July)
... Remarkable research findings are available on medicinal properties of the plant in abroad (Wang 1994, Dong et al. 1998, Zhu 1998and Ahmed et al. 2009). But little information is available regarding the fungal diseases of the plant in home and abroad (Azad andShamsi 2011and Zheng et al. 2011).Previously it was reported that symptoms appeared on leaves of H. cordatafrom September 2007 to November 2009 in Dangyang County, Hubei, China and the crop area affected estimated to be over 600 ha per year. Rhizome yield was reduced by 20% on average, with up to 70% yield losses in some fields during the autumn growing season (Zheng et al. 2011).So far there is no report available regarding the control of the diseases of H. cordata.Present research was undertaken to find out a suitable ecofriendly management of the diseases of this important herbal medicinal plant. ...
... All the isolated fungi were tested for their pathogenic potentiality following "Detached leaf technique" (Azad and Shamsi 2011) and "Spraying of spore suspension" method (Shamsi et al. 2003).The pathogenic fungi screened from "Detached leaf assay"were selected for net house experiment.Healthy plants of H. cordata were selected for pathogenicity test. The overall experiment was conducted in net house of Botanical Garden, Curzon Hall campus, Dhaka University. ...
... Anthracnose and blight were recorded on H. cordata leaf during April to December 2013 (Plate 1). Azad and Shamsi (2011) recorded two types of symptoms (Anthracnose and leaf spot) on H. cordata and 17 species of fungi in their experiment. Among these 3 fungal species of Colletotrichum were found to be pathogenic to the plant. ...
Anthracnose and blight were recorded on Houttuynia cordata Thunb. during April 2013 to December 2013. The isolated fungi from the symptomatic plants were identified as Alterneria alternata (Fr.) Keissler and Colletotrichum gloeosporoides (Penz.) Sacc. Ethanol leaf extracts of five plants viz.,Azadirachta indica L., Citrus limon L., Datura metel L., Sennaalata L. and Tagetes erecta L.were evaluated against the pathogenic fungi A. alternata and C. gloeosporoides at 5%, 10% and 20% concentrations in vitro. A. indica recorded as good inhibitor against the test fungi followed by C. limon, S. alata, D. metel and T.erecta. In vivo treatment also showed that A.indica is the most effective in controlling diseases at 10% concentration. The plants treated with A. indica were fresh and healthy up to one month of observation.J. Asiat. Soc. Bangladesh, Sci. 42(1): 41-48, June 2016
