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Öğe Karaman yöresi kuru soğan yetiştirme alanlarında bulunan soğan sak nematodunun (Ditylenchus dipsaci (Kühn, 1857) Filipjev, 1836) dağılımı ve zarar seviyesinin belirlenmesi ile bitki genetik dayanıklılığı ile kontrolü üzerine araştırmalar(2015) Yavuzaslanoğlu, Elif; Dikici, Abdullah; Elekçioğlu, İbrahim Halil-Öğe Occurrence of microplastics and nanoplastics in terrestrial ecosystem and their toxicological impacts in plants(Elsevier, 2024) Özcan, Ali; Eczacıoğlu, Numan; Aydın, ZiyaMaterials that are plastic in nature have gained popularity worldwide thanks to a variety of applications, durability, and low cost. Different types of plastics have been vastly produced since the 1940s, and they are an essential part of our life since. Plastics pose a significant risk to ecosystem health, human health, and natural life due to their widespread use. Plastic kinds are categorized according to their size, such as micro/nanoplastics (M/N-Ps). These plastics pose more issues for living things, disrupting the natural order of things and contaminating the water, air, and soil. Plants that get exposed to M/N-Ps uptake them at high concentrations, causing their death and harming the food quantity and quality. This chapter of this book is split into three sections. The first section of the chapter will introduce the concept of M/N-Ps and their nature of existence in the environment. The section will include M/N-Ps occurrence due to decomposition in nature and secondary product release of industrial production. The second section of the chapter will discuss how these plastics interact with the soil media. This chapter will cover the effects on soil chemical properties, microbial community, and soil physical properties, which affect overall plant growth and health. The last chapter will include the interaction of M/N-Ps with terrestrial plants and organic pollutants. Due to their small size, M/N-Ps could be mobilized into plant vascular. © 2024 Elsevier Inc. All rights reserved.Öğe Tolerance and resistance of onion (Allium cepa) to stem and bulb nematode (Ditylenchus dipsaci)(International Society for Horticultural Science, 2020) Yavuzaslanoğlu, ElifResistance is known as a defense mechanism of plant, while tolerance is ability to give good yield where there is a pathogen. Both mechanisms provide advantage to plant under unfavorable conditions. Onion is an economically important plant species grown in the world for human nutrition and the important constrain of it is stem and bulb nematode (Ditylenchus dipsaci). Both tolerance and resistance of onion cultivars were investigated under greenhouse conditions to D. dipsaci. Totally 28 onion cultivars were evaluated for resistance and tolerance reactions to D. dipsaci under growth room and greenhouse conditions, respectively. 'Valenciana' cultivar had the lowest nematode multiplication in growth room resistance experiment (MR: 0,5). Plant height and plant diameter of cultivars statistically significantly changed with nematode treatment in greenhouse tolerance experiment. Plant weight of 'Biotek Boran' and plant height, diameter and weight of 'Taraz' had statistically significant positive correlations with nematode multiplication. It is recommended growing 'Valenciana' for lower nematode multiplication, and 'Biotek Boran' and 'Taraz' for better plant development under nematode multiplication in stem and bulb nematode infested onion growing areas. © 2020 International Society for Horticultural Science. All rights reserved.Öğe Graft-compatibility of rootpac rootstocks with nectarine and peach cultivars(International Society for Horticultural Science, 2020) Çetinbaş, M.; Butar, S.; Koçal, H.; Sesli, Yılmaz; Seferoglu, H.G.Interspecific hybrids or clones from different Prunus species can be used as rootstocks for peaches. Recently, the Rootpac rootstocks have been released and begun to be used for peaches. Therefore, grafting aptitude and their compatibility with peach and nectarine cultivars should be examined. The aim of this study is to determine the graft-compatibility performance of different clonal Rootpac rootstocks with peach and nectarine cultivars. Graft unions of peaches and nectarines on Rootpac rootstocks were monitored at the Fruit Research Institute in Eğirdir, Isparta, Turkey. The peach cultivars 'Monroe', 'Royal Glory', 'Q'Henry', 'Vista Rich', 'Cresthaven' and the nectarine cultivar 'Venus' were T-budded on Rootpac-R, Rootpac-90, Rootpac-70, Rootpac-40 and Rootpac-20. The graft samples were evaluated with a microscope at 1, 4 and 12 months after budding. Cambial differentiation occurred after a callus bridge was formed between the two parts of the graft. The graft union and development was observed to be successful. Consequently, no evidence for histological incompatibility was found. In addition, no incompatibility visual symptoms (drying, chlorosis on the leaves, premature death of the trees, marked difference in the growth rate or vigor of scion and stock, over growth at, above or below the graft union, etc.) were observed until the third vegetative season of the budded trees. © 2020 International Society for Horticultural Science. All rights reserved.Öğe A two-year tomato production under different fertilizer treatments(International Society for Horticultural Science, 2020) Yavuzaslanoğlu, Elif; Coşkuner, Yalçın; Ulusu, F.Tomato is an important vegetable for human nutrition. It is grown intensively in the Mediterranean basin under temperate climate in Turkey. Production is mostly undertaken in greenhouse conditions. One of the problems of tomato production is continuous production in the same area causing depletion of plant nutrients. In order to avoid this problem, fertilizers are applied prevalently. Organic liquid fertilizers and vermicompost are good alternatives to synthetic fertilizers with being natural and rich mineral content. Moreover, humic acid and mycorrhiza are useful soil regulating agents (biostimulants) supporting plant growth. The effect of different combinations of organic fertilizer, vermicompost with humic acid and mycorrhiza were investigated for tomato crops grown for two years under greenhouse conditions. Eight treatments using no fertilizer (control), synthetic fertilizer (positive control) and organic fertilizers and biostimulants were compared using completely randomized block designed experiment with 3 replicates. Tomato fruit height, diameter and weight and total plant dry weight were determined as fruit yield and plant biomass. The highest plant dry weight and fruit yield were obtained in organic fertilizer and mycorrhiza combination treatment, this followed by vermicompost and mycorrhiza combination treatment. Organic based fertilizers and mycorrhiza were shown to be good fertilizer combinations for high tomato productivity. © 2020 International Society for Horticultural Science. All rights reserved.Öğe The importance and management strategies of cereal cyst nematodes, Heterodera spp., in Turkey(Springer, 2015) Dababat, Abdelfattah A.; Imren, Mustafa; Erginbas-Orakci, Gul; Ashrafi, Samad; Yavuzaslanoğlu, Elif; Toktay, Halil; Pariyar, Shree R.Cereal cyst nematodes (CCNs) can cause significant economic yield losses alone or in combination with other biotic and abiotic factors. The damage caused by these nematodes can be enormous when they occur in a disease complex, particularly in areas subject to water stress. Of the 12 valid CCN species, Heterodera avenae, H. filipjevi, and H. latipons are considered the most economically important in different parts of the world. This paper reviews current approaches to managing CCNs via genetic resistance, biological agents, cultural practices, and chemical strategies. Recent research within the soil borne pathogen program of the International Maize and Wheat Improvement Center has focused on germplasm screening, the potential of this germplasm as sources of resistance, and how to incorporate new sources of resistance into breeding programs. Breeding for resistance is particularly complicated and difficult when different species and pathotypes coexist in nature. A lack of expertise and recognition of CCNs as a factor limiting wheat production potential, combined with inappropriate breeding strategies and slow screening processes limit genetic gains for resistance to CCNs.Öğe Research on nematodes on onion in Karaman in Turkey(Int Soc Horticultural Science, 2016) Yavuzaslanoğlu, Elif; Dikici, A.; Elekcioğlu, İ. H.; Gökçe, A. F.A study was estabilished for investigation of nematodes in onion growing areas in Karaman province in Turkey by support of the Turkish Scientific and Technical Research Foundation in 2011 for three years. The first step of the study was to investigate the distribution of the nematodes in onion growing areas in Karaman province where has an important role in onion production in Turkey. Ditylenchus spp. (Filipjev 1936) (Tylenchida: Anguinidae) were in 15% of plants and 61% of soils. Other widespread plant parasitic genera were Paratylenchus (Micoletzky 1922) (Tylenchida: Paratylenchidae) (56%) and Tylenchus (Bastian 1865) (Tylenchida: Tylenchidae) (49%). Besides fungivorous and bacterivorous nematode genera were also abundantly found. Second objective of the study was to estabilish the yield loss by stem and bulb nematode found in a farmer field. Study was inferred up to 40% yield loss duo to the stem and bulb nematode. The most suitable and less labored method to keep the nematode populations under damage level is use of the resistant cultivars. Resistance reaction of commercially produced onion cultivars and breeding material in Turkey was investigated under controlled conditions. The cultivars of Imrali Kirmasi, Karaca, Banka, Mor Sogan Tohumu, Aki and Kirehir local population (Gen Bank No: TR69450) were found hope giving for resistance against D. dipsaci.Öğe Resistance and tolerance of some onion cultivars to ditylenchus dipsaci (Kuhn, 1937)(Soc Nematologists, 2016) Yavuzaslanoğlu, Elif…Öğe Host status of some plant species to stem and bulb nematode (Ditylenchus dipsaci )(International Society for Horticultural Science, 2019) Yavuzaslanoğlu, Elif; Çalış, G.Stem and bulb nematode (D. dipsaci) is a species complex including more than 30 races with differentiating host spectrum. Onion race of D. dipsaci has a wide range of host spectrum. Records on host status are variable due to the different nematode populations and different cultivars of plant species. Hosting ability of 28 plant species was tested against to Turkish onion isolate of D. dipsaci under growth room conditions. Experiment was set up according to randomized plot design with four replications. Two hundred nematodes were inoculated onto seedlings and plants were evaluated for plant growth and nematode multiplication. Decrease in plant height of lettuce was statistically significantly dependent on nematode density. Plant weight of lettuce was also negatively related to nematode density. Similarly being not statistically significant, bean and strawberry had negative relationship for plant height and weight. Plant species of bean, cucumber, spinach, zucchini, melon, potato, leek, garlic, tobacco, strawberry, sweet pea, pepper, tomato, carrot, savoy cabbage, tulip, lettuce, chickpea, beet and onion was host to D. dipsaci. © 2019 International Society for Horticultural Science. All rights reserved.
