نتایج جستجو برای: which are harvest index hi and gross yield gy harvest index factor

تعداد نتایج: 17207529  

Journal: :به نژادی گیاهان زراعی و باغی 0
یاور درگاهی دانشجوی کارشناسی ارشد اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدۀ علوم کشاورزی، دانشگاه محقق اردبیلی، ایران علی اصغری دانشیار رشتۀ اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدۀ علوم کشاورزی، دانشگاه محقق اردبیلی، ایران علی رسول زاده دانشیار رشتۀ علوم آب، گروه علوم آب، دانشکدۀ فناوری کشاورزی و منابع طبیعی، دانشگاه محقق اردبیلی، ایران خدیجه آقایی فرد دانشجوی کارشناسی ارشد زراعت، گروه زراعت و اصلاح نباتات، دانشکدۀ علوم کشاورزی، دانشگاه محقق اردبیلی، ایران مریم احمدیان کارشناس ارشد علوم گیاهی، دانشگاه تبریز، ایران

drought stress is one of the important environmental factors reducing grain yield of plants in arid and semiarid regions. study the effect of water deficit stress on yield, water use efficiency and harvest index of sesame varieties, this experiment was conducted as a split plot based on a randomized complete block design with three replications, at agriculture and natural resources research cen...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

aminul islam1*, jatish chandrabiswas 1, a. j. m. sirajul karim2, mst. salmapervin3, and md. abu saleque4 1*-soil science division, bangladesh rice research institute, gazipur-1701, bangladesh 2-department of soil science, bangabandhu sheikh mujibur rahman agricultural university, salna, gazipur-1706, bangladesh 3-plant physiology division, bangladesh rice research institute, gazipur-1701, bangl...

ژورنال: علوم آب و خاک 2009
رضایی, عبدالمجید, علیمحمدی, مهناز, میرمحمدی میبدی, سیدعلی محمد,

This study was conducted in Research Farm of Isfahan University of Technology to evaluate some of the agronomic and physiological traits and grain yield potentials of ten bread wheat cultivars using a split plot design with three replications. Main and sub plot consisted of optimum and stress moisture treatments (irrigation after 70±3 and 130±3 mm evaporation from class A pan) and wheat cultiva...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی 1389

in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...

Journal: :تولید گیاهان زراعی 0

in order to study the effects of different nutrition systems (organic, chemical and integrated) and biofertilizer (pgpr) on phenology period, grain yield and its component in sunflower (helianthus annuus l.) an experiment was conducted using alestar cultivar at the research farm of college of agriculture, tarbiat modares university in 2007. five levels of nutrition systems including f1 (100% or...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

abstract     in order to study the relationships among seed yield and its components in nigella sativa, path coefficient and factor analysis was done using some agro- morphological traits of 21 different genotypes. genotypes were evaluated using a completely randomized design with four replications in ardestan university research farms. there was a high and positive correlation between seed yie...

Journal: :علوم گیاهان زراعی ایران 0
مرضیه نوری گوغری دانشجوی کارشناسی ارشد، دانشکدۀ کشاورزی دانشگاه ولی عصر رفسنجان حسین دشتی دانشیار، دانشکدۀ کشاورزی دانشگاه ولی عصر رفسنجان شهاب مداح حسینی استادیار، دانشکدۀ کشاورزی دانشگاه ولی عصر رفسنجان الهام دهقان مربی، دانشکدۀ کشاورزی دانشگاه ولی عصر رفسنجان

in order to study of genetic diversity in 35 lentil genotypes in some morphophenological   traits, yield and yield components, and determine the relationships between different traits by multivariate statistical methods, an experiment was conducted as augmented design in 4 blocks in 2012. the results of descriptive statistics showed that many of traits had considerable variability. the results ...

Genetic diversity of 13 new cereals, primary tritipyrum lines, five triticale lines and nine Iranian bread wheat varieties was studied under the randomized completely blocks design in terms of agronomic and morphological traits. The highley significant difference was observed between genotypes for all traits except in the filamental leaf length, main leaf length and main leaf width. The highest...

رضایی, عبدالمجید, علیمحمدی, مهناز, میرمحمدی میبدی, سیدعلی محمد,

This study was conducted in Research Farm of Isfahan University of Technology to evaluate some of the agronomic and physiological traits and grain yield potentials of ten bread wheat cultivars using a split plot design with three replications. Main and sub plot consisted of optimum and stress moisture treatments (irrigation after 70±3 and 130±3 mm evaporation from class A pan) and wheat cultiva...

Journal: :پژوهش های زراعی ایران 0
پروانه یاری امیر حسین کشتکار

introduction safflower is native to iran, and is cultivated for high adaptability, low water requirement, resistance to drought and useful unsaturated fatty acid (ashri et al., 1977). identification of effective agronomic traits and relationship between them are important aims under water stress conditions. among these characters, grain yield is the most important trait that is genetically poly...

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