Mehmet Yaman

Erciyes Üniversitesi · Department of Horticulture

The combination of high or low temperatures and high salt may cause significant harm to the yield, quality, and overall productivity of forage pea crops. The germination process, a crucial phase in the life cycle of forage peas, may be greatly influenced by varying temperature and salinity conditions. To comprehend the influence of these elements o...

The olive tree, scientifically known as Olea europaea L., is an evergreen xerophytic tree that defines the natural flora, historical background, and cultural essence of the Mediterranean Basin. This study aimed to establish relationships using multivariate analysis methods between the nutrient content of soil conditions in which olive cultivars gro...

In the research, a total of 12 olive varieties, three foreigner and nine local, were used. In 2021, the beginning of inflorescence was determined between the 27 March (‘Memecik’) and 19 April (‘Domat’), while the beginning of black (harvest) maturity was determined between 30 September (‘Gemlik-21’) and 28 November (‘Domat’). In 2022, the beginning...

Hassa district, located in the Eastern Mediterranean, is within the borders of Mesopotamia and the Levant region. This study evaluated genetic diversity in wild genotypes in this region, where the olive population is relatively high, using morphological , biochemical, and ISSR marker techniques. According to the study results, significant differenc...

Rootstocks are frequently used in modern orchard practices due to their special characteristics. They not only eliminate the limiting factors in fruit growing but also have advantages such as increasing productivity, fruit quality, dwarfing, and nutrient yield. In addition, rootstocks have a significant impact on plant development, fruit characteri...

The oleaster plant is a species used in afforestation of areas not suitable for agriculture due to its resistance to drought, salinity, and alkaline conditions. In addition, different parts of the oleaster plant (leaves, flowers, and fruits) can be used in different ways in the medicine, cosmetics, and food sectors. It can also be used as an orname...

This study was conducted to determine the protein, fat, mineral, fatty acid, and bioactive compound contents of 47 walnut hybrids obtained by intraspecies hybridization of G1, G2, and G3 walnut genotypes with Chandler, Maraş 18, and Pedro walnut cultivars. A wide variation was found between the hybrid walnut genotypes regarding the investigated pro...

Rootstocks are frequently used in modern orchard practise due to their special characteristics. They not only eliminate the limiting factors in fruit growing, but also have advantages such as increasing productivity, fruit quality, dwarfing and nutrient yield. In addition, rootstocks have a significant impact on plant development, fruit characteris...

Apricot is one of the important stone fruits produced in the world. In this study, genetic variation was investigated based on SRAP marker technique and morphological data in 120 genotypes and parent plants obtained by inbreeding in some apricot cultivars such as Ninfa, Proce de Tyrinthe, Palstein, Hacıhaliloğlu, Hasanbey, Aprikoz and Kabaaşı. In t...

Plums have recently played a significant role in agriculture with their high fiber content, vitamins, and antioxidant substances. In addition to being consumed as fresh fruit worldwide, it is grown commercially in dried form or as various processed additives. In this study, the variation among plum genotypes growing naturally in the garden borders...

This study was carried out to morphologically characterize and evaluate the dwarf rootstock potential of the fig genotypes in the Ficus carica var. rupestris (Hausskn.) Browicz population is distributed in Tunceli, Türkiye. For this purpose, these genotypes' eight qualitative and 16 quantitative traits were investigated. In the study, 42 fig genoty...

This study aimed to investigate changes in fruit characteristics, total phenolics, total antioxidant capacity, organic acids, sugar content, and fatty acid composition in ten walnut genotypes and three cultivars grown at different altitudes under Mediterranean climate conditions. At altitudes of 500 m and 1200 m, total phenolics ranged between 237....

This study was carried out to determine the fatty acid composition, bioactive compounds, and mineral element content of standard hazelnut cultivars and accessions from the Eastern Black Sea region. A wide variation was determined in terms of the traits examined between hazelnut accessions and cultivars. Most of the accessions investigated had highe...

Rootstocks are commonly used in modern fruit nursery practices due to their distinctive features. In addition to eliminating the limiting factors in fruit growing, rootstocks have benefits such as increasing productivity, fruit quality, dwarfness and increasing the efficiency of nutrients. This study was carried out to determine the effects of apri...

Türkiye is the homeland of many plant species and has a significant genetic diversity. It is seen that different natural almond species grown in the region were included in the breeding research conducted on almonds, which is one of these critical species. In this study, natural almond genotypes grown in Türkiye and different commercial foreign-ori...

This study was carried out to determine the performance of 6 different day-neutral varieties (Albion, Monterey, Portola, Sweet Ann, Kabarla and San Andreas) and 1 local genotype in open field in the ecological conditions of Yahyalı (Kayseri/Türkiye) in the 2021-2022 growing season. In the research, the first flowering date of the varieties was 19 M...

Almond is a type of fruit that grows both economically and naturally in many regions of Turkey. In this study, leaf and fruit characteristics of 3 different almond varieties of foreign origin grown in Ürgüp district of Nevşehir province in the Cappadocia region in 2021 and 2022 were determined. Ferragnes variety with a value of 23.47 mm in terms of...

By using biofertilizers consisting of beneficial microorganisms instead of synthetic chemicals, plant growth is increased, damage to the environment is largely prevented and soil fertility is preserved. This study was conducted using seven standard cultivars (Scarlet Spur, Red Chief, Fuji, Jeromine, Galaxy Gala, Granny Smith, and Golden Reinders),...

Raisins are a significant grape product with an annual trade volume of approximately USD 2 billion. There are various methods employed for drying grapes into raisins. This study aimed to investigate the effects of different drying methods on raisins, specifically, without pretreatment (SD), treatment with potassium carbonate (5%) containing 2% oliv...

With its enormous genetic pool, Türkiye is the homeland of the fig and many plant species. The common fig species in the country's natural population are Ficus carica var. caprificus (male figs), Ficus carica var. domestica (female figs; edible figs), and Ficus carica var. rupestris. In this study, the morphological and molecular characterization o...

In modern apple growing, plant and pomological characteristics as well as physiological behaviors of genotypes may vary according to the rootstock, changing growth ecology, and applications of biological control agents. The aim of this research is to determine the effects of rhizobacteria application on the biochemical substances (contents of total...

Turkiye, which has very rich gene resources, is the homeland of figs as well as many plant species. The common fig species found in the natural population of our country is Ficus carica var. caprificus (male figs), Ficus carica var. domestica (female figs; edible figs) and Ficus carica var. rupestris. In the study, morphological and molecular chara...

In vitro micropropagation is the most valid production method used for disease-free, clonal, and mass production of plants developed using unique breeding methods. This study was carried out to establish appropriate protocols for the micropropa-gation of 10 (Prunus amygdalus) × (P. amygdalus × P. persica) hybrid rootstocks obtained by crossbreeding...

Olive is one of the oldest fruit species cultivated. This study was carried out to determine the stomatal and leaf morphology as well as the chlorophyll and carotenoid content of 10 different (seven domestic and three foreign) olive cultivars grown in Hatay/Türkiye ecological conditions. Stoma density: 369.44 (‘Gemlik-21’)–695.55 (‘Domat’) stoma/mm...

Salinity is one of the outstanding abiotic stress conditions that a significant part of the world faces. In recent years, beneficial microorganisms started to be utilized in plants to overcome several abiotic factors, including salinity. The effects of arbuscular mycorrhizal fungi (AMF) mixture on growth and enzymatic responses in basil under salt...

Türkiye, sahip olduğu iklimin farklılık göstermesi sebebiyle çoğu bitki türünün yetişmesine imkân sağlayan ülkeler arasındadır. Bu bitki türleri arasında yer alan ve ekonomik öneme sahip olan elma, armut ve ayva türü üzerine yapılan bu çalışmada TÜİK verilerine bağlı olarak projeksiyon durumlarının hesaplanması amaçlanmıştır. Çalışmada incelenen el...

Changes in ecological conditions in Turkey are among the rare countries where most plant species spread widely throughout the country, both economically and naturally. In this study on apple, which is one of the important fruit species with economic importance, the color characteristics, biochemical and sugar contents of some commercial apple culti...

Kyrgyzstan is among the mother lands of apple and thus quite rich in apple genetic resources. This study was conducted to determine S-allele profiles of apple genotypes collected from different regions of Kyrgyzstan. The apple materials used belonged to 4 different species (M. domestica, M. kirghisorum, M. sieversii, M. niedzwetzkyana) and a total...

Turkey is one of the most important centers of origin for hazelnuts as well as many fruit species. The Black Sea Region of Turkey, where hazelnut cultivation has been carried out for centuries, is very rich in hazelnut genetic resources. This study aims to assess phenotypic variation in nut traits and genetic diversity revealed by inter simple sequ...

In this study, which was carried out in Yeşilhisar/Kayseri, it was aimed to determine the heavy metal accumulation in soil, leaves and fruits in apple orchards located on the Kayseri-Niğde highway. In the study carried out in 2021, samples were taken from rows 0, 100 and 200 meters from the highway in orchards at 3 different locations. According to...

This study was carried out in 42 orchards located in the lowland of Develi, where the apple cultivation is intense in Kayseri province. The analyses were made to determine pH, CaCO3, EC, organic matter, available phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), iron (Fe), zinc (Zn), manganese (Mn) and copper (Cu) in soil samples and nit...

Araştırma, Kayseri ilinin Yahyalı ilçesinde bulunan M9 ve MM106 anaçları üzerine aşılı 7 ticari elma (Malus domestica L.) çeşidine uygulanan azot+fosfor çözücü (Azospirillum sp-245 + Bacillus megaterium M3) bakterilerinin meyve kalite parametreleri ve vejetatif özellikleri üzerine etkilerinin belirlenmesi amacı ile 2020-2021 yıllarında yürütülmüştü...

showed differences. Among the biochemical properties of the genotypes, the antioxidant activity, as % inhibition, ranged from 23.13 to 61.59%, the total flavonoid content ranged from 16.63 to 57.22 mg QE/100 g, and the total phenolic content ranged from 277.28 to 310.80 mg GAE/100 g. In the principal component analysis, species generally formed sim...

The plant pomological characteristics and physiological behaviors of genotypes in modern apple cultivation could be different depending on the use of rootstock, changing growth ecology and application of biological control agents. The aim of this research was to determine the effects of rhizobacteria application on leaf and fruit nutrient contents...

Background Turkey’s ecological and geographical diversity allows the cultivation of most plant species that have economic importance throughout the country. One of these species, sour cherry, is among the stone fruits that are very important for human health. This study aimed to determine genetic diversity of 21 sour cherry genotypes grown from see...

Turkey has a high diversity of native and commercially grown plants. European cranberrybush, a fruit species grown commercially in the country, is of interest because of its health benefits. This study aimed to determine genetic diversity uisng morphological, molecular, and phytochemical markers in twenty-four different genotypes of European cranbe...

Turkey with diverse ecologies is among the unique countries in terms of plant species and diversity. Among these plant species, naturally growing wild pears (Pyrus elaeagrifolia Pall.) are resistant to chlorosis and drought and could be used in rootstock development programs. In present study, genetic diversity in 96 wild pear genotypes collected f...

Following the grapes, strawberries are the second largest group of berry fruits cultivated worldwide. Together with increasing production, increasing quality runner needs are not able to be met sufficiently in Turkey. The primary objective of the present study was to get high-quality strawberry runners. Experiments were conducted in 2014 and 2015 t...

Türkiye tarımsal üretim potansiyeli, üretilen tarımsal ürünlerin çeşitliliği ve doğal kaynaklarının yapısı ile önemli bir tarım ülkesidir. Tarımsal üretim yapılabilir toprakların alanının sabit kalmasına karşılık, dünya nüfusu giderek artmakta, bu da birim alandan daha fazla ürün almayı gerektirmektedir. Birim alandan daha fazla ürün almanın yolu d...

This study was carried out in 2020 to determine the mineral nutrition status of some apple orchards in Develi, Yeşilhisar and Yahyalı districts of Kayseri province with soil and leaf analysis. Soil samples were analyzed for texture, pH, electrical conductivity (EC), lime (CaCO3), organic matter, available phosphorus, potassium, calcium, magnesium,...

Backround Thanks to its ecological and geographical location, Turkey is the homeland of many fruit species and allows many fruit species to be grown. Hawthorn, which is understood to be important in human health and nutrition, is one of these fruit types. This study was carried out to identify morphological, biochemical and molecular genetic variat...

Since Turkey has different ecological conditions, it allows the cultivation of most fruit species. Among these fruits, apricot (Prunus armeniaca L.) is one of the most consumed fruits with its beautiful color, taste and aroma, high vitamin A and dietary fiber content. In this study carried out in 2021, it was determined leaf and fruit characteristi...

This study was conducted to investigate the genetic diversity and the relationship between 2 populations including a total 10 genotypes of Berberis crataegina collected from the province of Kayseri in Turkey and 22 genotypes of Berberis sphaerocarpa Kar. & Kit collected from Kyrgyzstan using Inter Simple Sequence Repeat (ISSR) Markers. Twenty ISSR...

Turkey's plant diversity varies considerably. Many of these plants are native and commercially grown. European Cranberrybush, which is among the fruit species grown economically in the country, is also of interest in terms of health. In this study, it was aimed to determine genetic diversity with morphological, molecular, and phytochemical markers...

BackroundTurkey's ecological and geographical diversity allows the cultivation of most plant species that have economic importance throughout the country. One of these species, sour cherry, is among the stone fruits that are very important for human health. In this study, it was aimed to determine by morphological, biochemical, and molecular marker...

Turkey is among the rare countries in terms of plant diversity, and thus, most plant species spread widely throughout the country. Apricot is one of these plant species. Due to the self-incompatibility seen in apricots, it is necessary to use a pollinator variety for a quality and efficient product. With this study carried out in 2021 year, the eff...

In the present study, the biochemical composition and shape and dimensional traits of 25 rosehip (Rosa canina) genotypes were investigated. The shape and dimensional traits were determined by image processing technique. Seed-propagated rosehip genotypes belonging to R. canina were collected from the natural flora of Mesudiye (Ordu) and Talas (Kayse...

Turkey is the leading country in the production of world apricots (Prunus armeniaca). In the country, apricots are usually grown for drying and fresh consumption, and apricots are also used for different purposes. This study was carried out to determine pollen viability and germination status in some foreign apricot varieties grown in Mut district...

Apple is one of the fruit species in which self-incompatibility is seen. For economical apple production, pollination and fertilization are required. In this study, it was aimed to determine effect of different pollinators on the fruit set ratios and some fruit characteristics of some apple varieties and apple genotypes originating from Kyrgyzstan...

Bu çalışma, Erciyes dağının eteklerinde kurulmuş ve çok uzun yıllardır Anadolu insanına ev sahipliği yapmakta olan Kayseri iline bağlı Hacılar ilçesinde gerçekleştirilmiştir. Bölge özellikle yazlık bağ evleriyle meşhur olup, hemen hemen her evin bahçesinde tohumdan yetişmiş kayısı ağaçları bulunmaktadır. Bu durum bölgenin kayısı gen kaynakları açıs...

Türkiye, çok sayıda Prunus türünün anavatanı konumunda olarak bu alanda güçlü bir potansiyele sahiptir. Prunus türleri ekonomik öneme sahip olan önemli türleri meyve türlerini oluşturmaktadır. Bu meyveler arasında yer alan kayısıda yapılan bu çalışma 2019 ve 2020 yıllarında Malatya ilinde yürütülmüştür ve Tyrinthe kayısı çeşidinde melezleme ıslahı...

Cerasus prostrata (Lab.) Ser. is quite widespread in some regions of Turkey. It is a wild and deciduous fruit species. The species is commonly encountered in Central Anatolia over the foothills of Erciyes Mountain. In this study, some fruit and leaf characteristics of 30 C. prostrata genotypes collected from the foothills of Erciyes Mountain were d...

Turkey with diverse ecological conditions is among unique countries allowing culture of several species nationwide. Among these species, Pancratium maritimum belonging to Amaryllidaceae family grows in sandy environments. Plant flowering period is between August-October. Pancratium maritimum species are common in coastal zones of Greece, France and...

In this study, 40 walnut (Juglans regia L.) samples including international cultivars, national cultivars and local genotypes were analyzed in terms of detailed morphological traits, molecular characteristics, and biochemical (fatty acids) features. The results showed high morphological diversity among the genotypes, and the kernel ratio was found...

There is a positive relationship between pollination and fruit yield of almonds. Since self-incompatibility is a major problem in almond cultivars, foreign pollinators are generally used in almonds to get high yield and quality. This study was conducted to investigate the effects of different pollinators (inbreed hybrid combinations) on fruit set a...

Turkey is among the few countries in terms of plant diversity. An example of this situation is the variation in walnut seedlings grown from seed throughout the country. The genetic material to be used in fruit breeding should be original and the genetic relations among the genotypes should be well elucidated. In this research, genetic diversity was...

Cornelian cherry fruits are quite rich in bioactive compounds. Natural colour, rich flavonoids and anthocyanins and high antioxidant activity have made the fruits a natural drug. In the present study, antioxidant activity, total flavonoids and total phenolics of naturally growing 18 cornelian cherry genotypes with different phenotypic characteristi...

Turkey has quite a rich genetic diversity in various fruit and plant species. One of them is species in the Prunus genus. In addition, Turkey is the greatest or significant producer of many stone, nut and some fruit species. This study was conducted to determine the effects of intra-species hybridizations of some apricot (Prunus armeniaca L.) culti...

Hazelnut is one of the most popular nuts consumed by people; it has different cultivars in Turkey. The aim of the current study was to characterize some physicomechanical characteristics, shape features, color, and biochemical properties of 6 standard and 3 local hazelnut cultivars grown in Turkey. The shape and size properties of the samples were...

Just because of geographical spread, citrus species generally grow in places sensitive to salinity. Testing methods have a significant role in breeding and cultivar development programs. This study was conducted to investigate in vitro salt response of Cleopatra mandarin (Citrus reshni Tan.), sour orange (Citrus aurantium L.), rough lemon (Citrus j...

Turkey with diverse ecologies harbours several plant and fruit species. Several species grow naturally are grown commercially. Kayseri and surroundings constitute natural spread zone of some fruit species. This study was conducted to determine genetic diversity and some pomological characteristics of 31 seed-propagated quince (Cydonia oblanga Mill....

Mulberries are classified under berry fruits and they have quite high adaptation capacity to different climate and soil conditions. Therefore, they are quite common in various parts of the world. Previous studies on mulberries have mostly focused on sericulture and nutritional composition of leaves. However, there is also an increasing interest in...

Knowledge is required about shape and size features of almonds before the design of machines, equipment and systems used in harvest and postharvest processes such as classifying, drying, packaging, grading, transportation and quality assessments of almonds. Such attributes are also required for assessing consumer preferences, cultivar registration,...

In this study, genetic diversity among 66 banana (Musa cavendishii) genotypes (20 Azman, 15 Grand Nine and 31 Dwarf Cvandish) was tried to be identified with the aid of 7 DAMD markers (URP13R, HVB5, URP2R, URP1F, 62H2, 336H, 4CR). A total of 70 bands were obtained and 63 of them were polymorphic and polymorphism ratio was 90%. Genetic similarities...

Türkiye'de iklim subtropikten, ılımana kadar değişkenlik göstermektedir. Bu ekolojik farklılık hem bir çok meyve türünün genetik olarak çeşitlilik göstermesine hemde çoğu meyve türünün ekonomik olarak yetişmesine imkan sağlamaktadır. Ülkemizin sahip olduğu bu genetik çeşitlilik arasında bulunan sert çekirdekli meyveler önemli bir potansiyele sahipt...

Size and shape data of agricultural crops provide great sources for food processing technologies. The physical attributes of different fruits should be known for the design, developing and innovation of food technologies. In this study, the size and shape distinctions of fifteen national and international walnut cultivars (Midland, Sütyemez-1, Serr...

This study carried out in 2015 and 2016 to determine phenological, pomological and some technological characteristics of 19 seedless mulberry genotypes of the Malatya Apricot Research Institute. Full-bloom periods of the genotypes varied between 27th of April (Poser 24-07) and 3rd of May (24 MRK 02); start of harvest dates varied between 15th of Ma...

Bu çalışmada kiraza anaç olarak kullanılan ve/veya kullanılacak olan bazı genotiplerin RAPD moleküler markır yöntemi kullanılarak genetik akrabalıklarının belirlenmesi amaçlanmıştır. Yirmi farklı kiraz anacının (9 adeti kuş kirazı) genetik benzerliklerinin belirlemesinde 16 farklı RAPD primerinin kullanıldığı çalışmada, 16 primerden 92’si polimorfi...

Üzümsü meyveler Türkiye'de yetiştiriciliği yapılan önemli meyveler arasında yer almaktadır. Geniş kullanım alanı nedeniyle, bu meyvelerin üretimi artmaktadır. Bu çalışmada TÜİK verilerine bağlı olarak Türkiye'de üretimi yapılan bazı üzümsü meyvelerin üretim projeksiyonunun belirlenmesi amaçlanmıştır. Elde edilen sonuçlara göre projeksiyon katsayısı...

Molecular markers are commonly used in determination of genetic similarities and differences in many species and varieties. In this research Inter-Simple Sequence Repeat (ISSR) markers were used to distinguish twenty-five elaeagnus (Elaeagnus angustifolia L.) genotypes which were collected from various parts of Turkey in accordance with specific mo...

Stone fruits species are one of the most economically important fruits worldwide and Turkey. Turkey is the major producer country for apricot and cherry. Because of several problems (especially self-incompatibility) experienced in fertilization and fruit set, researches on pollen quality and fruit set may be essential. In present study, some pollen...

World apricot (Prunus armeniaca L.) production is increasing steadily due to breeding of new high yielding cultivars in different countries. More recently, breeding programs have been modified according to consumers' demands and also improvement in resistance to diseases (Sharka, Monilinia etc.), frost damages, and determination of self-(in) compat...

Citrus tristeza virus (CTV), dünyada turunçgillerde özellikle turunç anacı (Citrus aurantium L.) üzerine aşılı ağaçlarda hızlı bir şekilde ölüme sebep olan en önemli viral patojendir. CTV’ye dayanıklı çeşitlerin geliştirilmesi turunçgil ıslah programlarının önceliği haline gelmiştir. Genetik çalışmalarda, Üç Yapraklı’da (Poncirus trifoliata), dayan...