نتایج جستجو برای: drought stress index

تعداد نتایج: 837686  

Journal: :علوم گیاهان زراعی ایران 0
علی وند کریمی کارشناس ارشد اصلاح نباتات، دانشکدة کشاورزی دانشگاه آزاد، واحد علوم و تحقیقات تهران معصومه پوراسماعیل استادیار، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر شاهین واعظی استادیار، مؤسسة تحقیقات اصلاح و تهیة نهال و بذر آسا ابراهیمی استادیار دانشکدة کشاورزی دانشگاه آزاد، واحد علوم و تحقیقات تهران

in order to evaluate drought tolerance of chickpea genotypes and identifying the best indices of drought tolerance, the 20 genotypes desi chickpea plus two improved cultivars (kaka and piroz) were tested using a randomized complete block design under two irrigated (non stress) and (stress) conditions. quantitive drought tolerance and susceptibility indices such as stress tolerance index (sti), ...

2012
Mokhtar Ghobadi Mohammad - Eghbal Ghobadi Danial Kahrizi Alireza Zebarjadi Mahdi Geravandi

Post-anthesis drought stress is the most important problem affecting wheat production in dryland fields, specially in Mediterranean regions. The main objective of this research was to evaluate drought tolerance indices in dryland wheat genotypes under post-anthesis drought stress. The research was including two different experiments. In each experiment, twenty dryland bread wheat genotypes were...

Journal: :علوم گیاهان زراعی ایران 0
محمد زارع مهرجردی استادیار، مجتمع آموزش عالی شیروان عبدالرضا باقری استاد دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد احمد رضا بهرامی استاد دانشکدۀ علوم، دانشگاه فردوسی مشهد جعفر نباتی استادیار پژوهشکدۀ علوم گیاهی، دانشگاه فردوسی مشهد علی معصومی استادیار، گروه کشاورزی، دانشگاه پیام نور

environmental stresses such as drought have important effects on plant growth and development. in order to evaluate the effect of drought tolerance, 12 chickpea genotypes were treated with drought stress in hydroponic condition in greenhouses. treatments were a control and two stress treatments -3 and -6 bar that was created with polyethylene glycol in hydroponic condition. two weeks after the ...

Sesame is one of the plants that due to the high content (47-52%) and high quality (low cholesterol and some antioxidants) its seed oil, important role has in human health. An experimental with objective to evaluate eight local landraces of sesame to drought stress based on grain yield and drought tolerance indices using factorial split plot design was conducted with three replications in resea...

Journal: :علوم گیاهان زراعی ایران 0
حمید محمدی دانشجوی سابق دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی احمدی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران فواد مرادی استادیار پژوهشکده بیوتکنولوژی کشاورزی کرج علیرضا عباسی استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران کاظم پوستینی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران مهدی جودی استادیار دانشگاه محقق اردبیلی- دانشکده کشاورزی مغان فواد فاتحی

drought stress is one of the most important abiotic stresses which can affect the growth of a plant, thereby curbing crop yield. identification of effective morphological traits is the main aim of each breeding program. our objective was to identify agronomic traits associated with changes in grain yield of wheat under irrigated and drought conditions. to address this objective, grain yield and...

To evaluate drought tolerance in bread wheat, tritipyrum and triticale genotypes, 27 different genotypes were grown as a randomized complete block design under two irrigation regimes (control and drought) in two locations (Isfahan and Shiraz) during two growing seasons (2016 and 2017). Based on grain yield, several indices including stress tolerance index (STI), tolerance index (TOL), susceptib...

باقی‌زاده, امین, محمدی‌نژاد, قاسم, ملاحیدری بافقی, ربابه,

Increasing the yield of wheat (Triticum aestivum) requires choosing resistant and compatible cultivars to different climatic conditions. In order to study the effects of salinity and drought stress on grain yield,  Study of stress tolerance indices and identification of tolerant genotypes to salt and drought stress, 20 different Wheat (Triticum aestivum) genotypes were assessed in a Randomized ...

2013
Ahmad Ali Rostami Majid Rahemi

This study was conducted to evaluate antioxidant enzyme activities in four caprifig varieties under drought stress and subsequent rewatering in order to screen drought tolerance. Leaf relative water content and membrane stability index significantly reduced under drought stress. ‘Shah Anjir’ and ‘Khormaei’ were able to preserve the highest relative water content and membrane stability index lev...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

environmental stresses especially drought stress affect on the different aspects of plant growth and cause decrease and delay in germination, decrease of aerial parts growth and decrease in dry matter production. in order to study the effect of drought stress on germination and seedling growth of roselle (hibiscus sabdarifa) medicinal plant, this experiment was conducted in a randomized complet...

Journal: :تولید گیاهان زراعی 0

in order to study drought tolerance indices and to introduce tolerant maize hybrids in drought conditions, an experiment was conducted at the experimental field of seed and plant improvement institute, in 2009. the experiment was carried out using split-plot in a randomized complete block design (crbd) with three replications. the main plots consisted of three levels of irrigation regimes (irri...

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