نتایج جستجو برای: specific leaf area

تعداد نتایج: 1627616  

Journal: :علوم گیاهان زراعی ایران 0
سید مصطفی صادقی استادیار و عضو هیأت علمی دانشگاه آزاد اسلامی لاهیجان حبیب اله سمیع زاده استادیار دانشکده کشاورزی دانشگاه گیلان فاطمه جاوید کارشناسی ارشد اصلاح نباتات و عضو باشگاه پژوهشگران جوان دانشگاه آزاد، واحد رشت فواد فاتحی دانشجوی سابق دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران

to evaluate the effect of environment on the general and specific combining ability of virginia tobacco genotypes, five varieties were intercrossed in combination in 2007 in a half – diallel design. in 2008, the ten f1 population and the five parental lines were sown in two different conditions (drought stress and non-stress) using a complete randomized block design with three replications and ...

Chloride is an essential micronutrient for plants growth however it accumulates in large amounts in tobacco plants rapidly. To evaluate the effects of chloride concentrations in irrigating water on yield and growth indices of tobacco plant which has an important economic value, an outdoor pot experiment was established in completely randomized design during 2010 crop year at Guilan Tobacco Rese...

مقدم, محمد, سمیعی, لیلا , صفری محمدیه, زهرا , عابدی, بهرام ,

Mint is an important medicinal herb that is cultivated in different parts of the world. In order to investigate the effects of salinity stress on morphological characteristics of spearmint (Mentha spicata L.), an experiment was conducted in 2013, based on complete randomized design, under hydroponic conditions, at Research Greenhouse of Faculty of Agriculture, Ferdowsi University of Mashhad, Ir...

امین‌پناه, هاشم, شریفی, پیمان ,

One component of integrated weed management is use of cultivars with high competitive ability against weeds. Balance between competitiveness and productivity of rice under condition of presence or absence of weeds, is complicated the breeding of rice cultivars to increase competitiveness against weeds. Path coefficient analysis has been widely used in crop breeding to determine the nature of re...

Journal: :Tree physiology 1996
T Verwijst D Z Wen

We established linear and exponential relationships between leaf area (A) and leaf length (L), leaf width (W), W(2), L(2) and LW, in Salix viminalis L. Most relationships were significantly nonlinear, but good fits were obtained with both linear and exponential models. The nonlinear relationship between A and LW differed for leaves from sylleptic and proleptic shoots. Leaves from sylleptic and ...

Journal: :پژوهش های زراعی ایران 0
محمدبهزاد امیری پرویز رضوانی مقدم رضا قربانی جبار فلاحی رضا دیهیم فرد فرنوش فلاح پور

in order to investigate the effects of plant growth promoting bacteria on growth characteristic of wheat, an experiment was conducted at the research greenhouse, faculty of agriculture, ferdowsi university of mashhad, iran, in year 2009. a completely randomized design based on factorial arrangement (3×6) with three replications was used. the first factor consisted of three cultivars of wheat (c...

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