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Öğe Effects of Vermicompost on Plant Growth and Soil Structure(mustafa ceritoglu, 16.08.2018) Ceritoglu, Mustafa; Şahin, Sezer; Erman, MuratVermicompost is the name given to organic material in which virtually any organic waste is converted into a useful fertilizer and effective soil conditioner. Chemical substances that have been used intensively for many years have adversely affected soil fertility and microbial activity. Vermicompost products confer plant nutrient elements, various hormones, enzymes, humic substances and especially organic matter to the soil. Thus it improves the soil structure while preparing a suitable environment for plant growth as well. It is a material with high water holding capacity and cation exchange capacity. It also has a positive effect on the ventilation of the soil. It also helps plants to more effi-ciently utilize plant nutrients in the soil. The average organic matter content of our country's soils is quite low (2% or less). For all these reasons the use of vermicompost should be encouraged. The aim of this study is to give infor-mation about the properties of vermicomposts, and its effects on plant growth and soil structure and to provide a current literature source.Öğe Enhancement of Root System Architecture, Seedling Growth, and Germination in Lentil under Salinity Stress by Seed Priming with Silicon and Salicylic Acid(Hard, 2023) Ceritoglu, Mustafa; Erman, Murat; Cig, Fatih; Ceritoglu, Figen; Ucar, Ozge; Soysal, Sipan; EL Sabagh, AymanTo deal with increasing salinization, plants show an array of responses such as root system architecture remodelling, thereby enhancing stress tolerance. Although various chemical, molecular and genetic techniques such that generally expensive and difficult applications are used to enhance stress tolerance, out of them, seed priming with suitable substrates is an easy-applicable and cost-effective treatment. The experiment aimed to evaluate the effects of salicylic acid (SA), silicon (Si), and sodium chloride (NaCl) priming on lentil seed germination parameters, seedling development, and root system architecture. In 2022, the experiment was carried out in the Field Crops Department laboratory at Siirt University in Turkey. Petri and pot investigations were part of the two stages of the experiment. Three concentrations of NaCl and priming treatments were utilized. Germination characteristics were impeded by rising saline levels. But seed priming, which boosted uniformity of germination by 50% as compared to unprimed seeds under saline stress, enhanced germination characteristics. A pot experiment revealed that the dry matter accumulation in roots was reduced by 24.6% due to salt stress. Si priming increased number of lateral roots by 32.6% compared to control seeds, whereas salt stress lowered it by 22.8%. The total length of lateral roots (TLLR) and mean length of lateral roots (MLLR) were inhibited by salinity stress by 75% and 63, respectively. Total root area was reduced by salinity stress by almost 70%, although seed priming increased it by as much as 29.3%. The SA and Si priming treatments improved germination stage and induced seedling growth by reducing salinity stress via more effective shoot development and root system architecture. In conclusion, seed priming with SA and Si is an affordable and sustainable method for reducing salt stress in lentil farming.Öğe Plant growth promoting bacteria enhances photosynthesis, nodulation and root system architecture in lentil under lead toxicity(Univ Zagreb, Fac Agriculture, 2022) Erman, Murat; Cig, Fatih; Ceritoglu, Figen; Ceritoglu, MustafaThe usage of plant growth-promoting bacteria (PGPB) in mitigation of harmful effects of lead (Pb) toxicity in plants and bioremediation of it from soils is a sustainable, effective and low-cost strategy. The experiment was laid out to investigate the role of PGPB on morphological and physiological growth, root system architecture and nodulation of lentil under Pb stress. The experiment was conducted according to completely randomized factorial design with four replications at the laboratory of the Field Crops Department, Siirt University, Siirt in 2022. The four Pb levels and three bacterial inoculations were used in the experiment. Plant height, seedling fresh weight, root fresh weight, seedling dry weight, root dry weight, total chlorophyll content, taproot length, number of lateral roots, total root length and number of nodule varied between 15.7-25.9 cm, 0.123-0.235 g, 0.019-0.092 g, 0.0104-0.0326 g, 0.0076-0.0146 g, 27.9-47.2%, 8.9-19.2 cm, 4.00-14.67, 17.6-44.8 cm and 1.37-10.63, respectively. Bio-priming with PGPB containing 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity increased dry matter accumulation up to 56.1% and 22.9% in shoots and roots, respectively. Chlorophyll content enhanced up to 17.9% compared with control application. Besides, root system architecture and nodule formation were improved by bio-priming both under stress and non-stress conditions. Bio-priming with PGPB may be a sustainable solution to mitigate oxidative stress and promote plant growth and yield in lentil under Pb-contaminated soils.Öğe Root system variation of pulse crops at early vegetative stage(Univ Agr Sci & Veterinary Med Cluj-Napoca, 2020) Ceritoglu, Mustafa; Ceritoglu, Figen; Erman, Murat; Bektas, HarunGrain legumes known as Pulse crops are economically and nutritionally one of the most important crop families after cereals. Climate change and abiotic stress factors are limiting yield potential in these crops. Root system architecture, a neglected field, is promising for improved environmental adaptability and higher growth potential. Genotypes with deep and dense root system may cope better with water and nutrient limitations. This study aimed to evaluate 12 common cultivars from six different legume species. Root system architectures were evaluated under controlled conditions in a plexiglass system at the early vegetative stage. Roots were divided into four depth zones (0, 5, 10, 15> cm), and inter and intra species diversity were analysed. Significant diversity was obtained within and between the species. Bean, chickpea, and broad bean constituted deeper and dense root systems while lentil, soybean, and pea formed non-dense and shallower root systems. There was a significant correlation between earliness and early vegetative root vigour. The results of the study may provide a better understanding of the root system architectures of each species-genera. The results presented here may shed light on the selection of root traits in legume breeding programs.Öğe Screening of lentil genotypes during germination and early growth stages under PEG-induced drought stress(Inst Investigaciones Agropecuarias - Inia, 2024) Cig, Fatih; Erman, Murat; EL Sabagh, Ayman; Ceritoglu, Mustafa; Soysal, Sipan; Ucar, Ozge; Ceritoglu, FigenThe objective of this experiment was to determine drought tolerance exhibited by lentil lines developed by the International Center for Agricultural Research in the Dry Areas (ICARDA) in an artificial environment, and to investigate the relationships between traits with various methods. This experiment examined 15 traits of 21 lentil (Lens culinaris Medik.) accessions grown under artificial drought stress created with polyethylene glycol (PEG)-6000 (0%, 10%, 15% and 20%) concentrations during germination and early seedling stages. Germination characteristics, seedling developmental properties and root system architecture traits were investigated to observed the impacts of drought stress. The originality lies in enabling the identification of drought-tolerant and sensitive genotypes through a brief and practical research method, while shedding light on the key traits by principal component analysis. The first two PCs explained 22.9% and 31.7% (total 54.6%) under optimal conditions while they described 14% and 58.3% (total 72.3%) under PEG-induced drought conditions, respectively. Variation in PC1 was mostly contributed by positive coefficients of germination index, uniformity of germination and germination energy, and negative coefficients of mean germination time. Variation in PC2 was mostly contributed by positive coefficients of seedling vigor index, root fresh weight and root dry weight. 'Tigris', G3664 and G3840 exhibited higher performance in terms of germination characteristics, while G3710, G3829 and G3840 produced higher DM accumulation, total biomass and lateral roots. Overall, PC-biplot denoted that selection based on germination index and seedling vigor index at germination and seedling stages would improve drought tolerance. In conclusion, genotypes G3840 and G3664 were identified as drought-tolerant, whereas genotypes G35, G3659, G3759, G3837, and G3844 were classified as drought-sensitive. In addition, G3664, G3840 and G3710 exhibited the highest stress tolerance index (STI) under artificial drought conditions.Öğe Seed Priming Boosts Plant Growth, Yield Attributes, Seed Chemical and Antioxidant Composition in Lentil under Low-Phosphorus Field Conditions(Springer, 2024) Ceritoglu, Mustafa; Erman, Murat; Cig, FatihAlthough legumes can meet nitrogen requirements via symbiotic nitrogen fixation, they must acquire phosphorus from the rhizosphere through their roots. Additionally, the fixation of phosphorus with various cations in soils reduces its availability, thereby decreasing its effectiveness and increasing production costs. This study was conducted during the 2021-22 and 2022-23 growing seasons to investigate the effects of seed pre-treatment (priming) and phosphorus doses on plant growth, yield attributes, and seed chemical composition in lentil at Siirt, Turkiye. Six seed priming treatments and four phosphorus doses were used in the study. The research was laid out in split-plot randomized complete block design with four replications. According to the results, phosphorus fertilizer increased seed yield, but there was no statistical difference between 15 and 60 kg P2O5 ha(- 1). Seed priming had a synergistic effect, allowing for higher seed yield when combined with phosphorus fertilizer, especially silicon priming resulting in high seed yield even at low phosphorus fertilizer doses. This result also indicated that seed priming improved phosphorus efficiency. The highest seed yield and net income were obtained by 6 kg P2O5 ha(- 1) with silicon priming treatment. Moreover, seed priming with salicylic acid, beneficial bacteria and silicon boosted growth and yield attributes, and seed chemical composition. Silicon priming increased the total antioxidant content in seeds while salicylic acid priming provided opportunities for both the increase of total antioxidants and phenolics. In conclusion, seed priming is an easy-to-implement and economical method for reducing phosphorus fertilizer and an effective way for higher profitability in lentil cultivation.Öğe Sheep manure and sewage sludge boost biofortification of barley and restricts heavy metal accumulation in plant tissues(Taylor & Francis Inc, 2024) Erman, Murat; Cig, Fatih; Sonmez, Ferit; Ceritoglu, MustafaIn recent centuries, micronutrient deficiencies are considered a major challenge for human health. Biofortification of principal crops has been broadly accepted as a sustainable scenario to overcome this limitation. The experiment was carried out in a completely randomized factorial design with three replications during the 2007-2008 and 2008-2009 growing seasons. Four fertilizers and two doses of humic acid were used in the experiment. Analysis of variance indicated that humic acid, fertilizer type, and growing season caused statistically significant differences in macro and micronutrient content and heavy metal concentrations of shoot and seed in plants. Results also denoted that organic material amendment improved macro and micronutrient content of barley plants compared with IF in which SS treatment increased Ca, Mg, Mn, Fe, Zn, and Ni concentrations in shoot/seed while SM treatment enhanced N, P, and K concentration of plants. Moreover, IF-treated plants increased heavy metal accumulation in shoot and seed tissues whereas organic amendments reduced heavy metal uptake such that the lowest Pb and Cd were determined in SM-treated plants, and the lowest Ni content was measured in W-treated samples. HA application promoted Zn, Mg, and Cu accumulation in plants, however, individual or combined with fertilizers reduced other micro and macronutrient uptake. In conclusion, the amendment of 40 tons ha-1 of sheep manure and sewage sludge is an improving and beneficial practice in barley cultivation for the biofortification of crops. However, HA treatment did not form a meaningful whole in the experiment but promoted Zn, Mg, and Cu concentrations in plant tissues.Öğe Vermikompost Üretim Tekniği ve Üretimde Kullanılan Materyaller(mustafa ceritoglu, 2019) Ceritoglu, Mustafa; Şahin, Sezer; Erman, MuratVermikompost, organik atıkların solucanların sindirim sisteminden geçirilmek suretiyle mezolifik kompostlama işlemine tabi tutularak elde edilen son üründür. Toprakta organik maddenin noksanlığı tarımsal üretimin verimliliğini azaltmakta ve sürekliliğine engel olmaktadır. Toprak organik maddesi mikrobiyal canlılığı artırmak, toprak yapısını düzeltmek, toprağın besin ve hormonal içeriğini düzenlemek suretiyle tarımsal üretkenliği artırmaya yardımcı olur. Bu nedenle tarım topraklarımızda vermikompost kullanımının teşvik edilmesi gerekmektedir. Vermikompost üretim tesisinin kurulması son derece kolay ve pratik bir işlemdir. Doğru şekilde kurulan bir tesis ile ticari anlamda başarıya ulaşmak mümkündür. Böylece hem sentetik gübre kullanımının azaltılması hem de yerli ekonomiye katkı sağlanması teşvik edilmiş olacaktır. Bu çalışmanın amacı vermikompost üretim yöntemleri ve kullanılan materyaller hakkında bilgilendirme yapmaktır.
