نتایج جستجو برای: flag leaf sheath and flag leaf blade at three salinity levels 0

تعداد نتایج: 17452328  

Journal: :علوم گیاهان زراعی ایران 0
افراسیاب راهنما دانشجوی دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران و استادیار دانشکده کشاورزی دانشگاه شهید چمران اهواز کاظم پوستینی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران رضا توکل افشاری استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران عبدالرحمن رسول نیا کارشناس ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران

understanding of physiological responses of salt tolerance might be lead to identify main salt tolerance mechanisms and essential approaches for improving grain yield stability, and also to select salt tolerant wheat cultivars. thus, the effects of salinity were investigated on grain yield and some of the characteristics related to salt tolerance. six wheat cultivars (roshan, kavir, karchia, ga...

Journal: :علوم گیاهان زراعی ایران 0
شهاب مداح حسینی استادیار، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی دانشگاه ولی عصر رفسنجان مریم خدادادپور کارشناسی ارشد، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی دانشگاه ولی عصر رفسنجان اصغر رحیمی دانشیار، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی دانشگاه ولی عصر رفسنجان

in order to study the role of photosynthetic tissues on grain filling and remobilization of stem reserves under terminal drought, a pot experiment as semi-field was conducted as two-factor factorial in complete randomized design with three replicates at research farm of agriculture college of vali – e – asr university of rafsanjan during january to june 2012 . first factor was source strength r...

Journal: :علوم گیاهان زراعی ایران 0
حمید رضا نیکخواه دانشجوی دکتری دانشگاه تهران و مربی پژوهشی مؤسسۀ تحقیقات اصلاح و تهیۀ نهال بذر ولی اله محمدی دانشیار، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد رضا نقوی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج حسن سلطانلو دانشیار، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

in order to investigate effective morpho-physiological traits related to salinity resistance, and their relationship with grain yield as well as study of salinity tolerance and susceptibility indices in 169 barley recombinant inbred lines, a  population of barley derived from a cross between arigashar and igri, this experiments were carried out using alpha lattice design with two replications d...

2012
Afrasyab Rahnama Kazem Poustini

Plant growth is affected by the osmotic stress as well as toxicity of salt in leaves. In order to study of salt stress effects on stomatal conductance and growth rate and relationship between them as wells osmotic and Na-specific effects on these traits, four bread wheat genotypes differing in salt tolerance were selected. Salinity was applied when the leaf 4 was fully expanded. Sodium (Na) con...

جعفریان, طیبه, زارع, جواد, سی و سه مرده, عادل,

This study the effect of seed preparation (priming) with different concentrations of hydrogen peroxide on the anatomy of the flag leaf and spike two wheat genotypes( Cross Sabalan ( bread wheat) and Saji(durum wheat)) and its relationship with grain yield, under dry land farming system condition, Experimental design was factorial, arranged in randomized complete block. Results showed that the n...

ژورنال: علوم زراعی ایران 2019
Moghaddam Vahed, Mohammad, Mohammadi, Seidabolghasem, Norouzi, Majid, Shayan, Soheila, Toorchi, Mahmood,

Study of heritability and gene action to improve agronomic and physiological traits, especially under drought stress conditions, are very important. The objectives of this study were to investigate heritability for important agronomic traits and some physiological characters in a cross between two spring wheat cultivars. The experiment was carried out using different generations (BC1, BC2, F3, ...

Journal: :تولید گیاهان زراعی 0

to study the effects of below leaves excision and nitrogen application on stomatal characteristics of wheat flag leaf, grain protein, dry matter remobilization, grain yield and yield component, leaf area of winter wheat (t. aestivum cv. ghods) was artificially reduced under filed condition. the experimental design was a factorial on a rcb with 3 replications, a combination of three levels of de...

ژورنال: علوم آب و خاک 2007
محمود خدام باشی امامی, , سید حسین محمدی, , عبدالمجید رضایی, ,

Half diallel crosses of nine Iranian wheat cultivars were used to estimate the general and specific combining ability effects and other genetic parameters related to yield and its components. Parents with F2 generations were evaluated at Research Farm, College of Agriculture, University of Shahrekord, in a randomized complete block design with 3 replications. Partitioning of genotypes mean squa...

محمود خدام باشی امامی, , سید حسین محمدی, , عبدالمجید رضایی, ,

Half diallel crosses of nine Iranian wheat cultivars were used to estimate the general and specific combining ability effects and other genetic parameters related to yield and its components. Parents with F2 generations were evaluated at Research Farm, College of Agriculture, University of Shahrekord, in a randomized complete block design with 3 replications. Partitioning of genotypes mean squa...

ژورنال: علوم آب و خاک 2011
جعفر یثربی, , عبدالمجید رونقی, , مریم زاهدی‌فر, , نجفعلی کریمیان, , یحیی امام, ,

The effect of phosphorus (P) (0, 25, and 50 mg kg-1 soil as Ca(H2PO4)2) and organic matter (OM) (0, and 2% w/w feedlot cattle manure) on P and zinc (Zn) distribution in different parts of wheat plant (Triticum aestivum L.) at various growth stages and its relationship with soil P and Zn were determined in greenhouse condition. In all pots, shoot P concentration decreased as plant growth proceed...

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