نتایج جستجو برای: flag leaf area fla

تعداد نتایج: 665222  

Journal: :علوم گیاهان زراعی ایران 0
ابوالفضل فلاح هروی دانشجوی دکتری، دانشکدة کشاورزی، دانشگاه شاهرود حمید عباس دخت دانشیار، دانشکدة کشاورزی، دانشگاه شاهرود احمد زارع فیض آبادی استاد، مرکز تحقیقات کشاورزی و منابع طبیعی مشهد احمد غلامی دانشیار، دانشکدة کشاورزی، دانشگاه شاهرود

in order to study the effects of conventional and conservation tillage with management residue on wheat physiological properties, a field experiment was conducted in 2013-2014 at mashhad agricultural and natural resources research center of razavi khorasan province. this experiment was carried out as split plot design based on a randomized complete block design with three replications. main plo...

هوشمند, سعداله, وندا, میترا,

Physiological studies indicated that flag leaf has high contribution in wheat grain yield. In addition, number, distribution, and morphology of stomatal characteristics are important traits in the drought resistance and adaptation of wheat cultivars to fluctuating CO2 levels. A complete set of diallel crosses among seven durum wheat lines were used to study of genetic parameters of stomatal and...

Six rainfed durum wheat genotypes (Chehel daneh, Gerdish, Zardak, Syrian-1, Waha and Knd1149//68/ward) and their complete diallel progenies of F1 generation were evaluted in a randomized complete block design with two replications. Analysis of variance indicated genetic differences among genotypes. General combining ability (GCA) was significant for all of the studied traits except hundred grai...

Journal: :علوم گیاهان زراعی ایران 0
پیمان شریفی حمید دهقانی علی مومنی محمد مقدم

seven rice varieties (hassani, deilmani, sepidrod, shahpasand, saleh, neda, and irfaon215) along with their complete diallel progenies were grown in a randomized complete block design of three replications in the growing seasons of 2006 and 2007 and were evaluated for the quantitative traits of: number of days to flowering, flag leaf length, width and area, plant height, panicle length, extrusi...

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...

Journal: :بوم شناسی کشاورزی 0
سمیرا سبزواری حمیدرضا خزاعی

wheat crop, considering its high planting area and consumption at national scale, demand a regular yield increase. humic acid, as an organic acid obtained from humus and organic sources without any environmental destructive effects, improves wheat yield particularly in variable environment conditions. in order to evaluate the effects of different levels of humic acid on shoot and wheat yield, a...

2015
Sunil K. Yadav Ashok K. Singh Praveen Pandey Smita Singh

The aim of this study was to determine nature and extent of variability parameters and their utilization in barley breeding programme. A total of 45 F1s along with their parents and F2 populations were evaluated in a randomized block design with 3 replications during Rabi (winter season) 2014. The various traits measured were days to 50% flowering, days to maturity, plant height, flag leaf area...

2015
Jiacheng Zheng Zhiyuan Yang Pippa J. Madgwick Elizabete Carmo-Silva Martin A. J. Parry Yin-Gang Hu Wujun Ma

ERECTA encodes a receptor-like kinase and is proposed as a candidate for determining transpiration efficiency of plants. Two genes homologous to ERECTA in Arabidopsis were identified on chromosomes 6 (TaER2) and 7 (TaER1) of bread wheat (Triticum aestivum L.), with copies of each gene on the A, B and D genomes of wheat. Similar expression patterns were observed for TaER1 and TaER2 with relative...

ژورنال: علوم آب و خاک 2008
سرخی لله لو, فرشاد, جوانشیر, عزیز , دباغ محمدی نسب, عادل ,

A pot experiment was designed to investigate the effects of full, above and below ground interactions of wheat with wild oat on leaf characteristics and root to shoot ratio. This experiment was conducted as a factorial based on randomized complete design with four replications. The treatments included four interference levels (above ground, below ground, above and below ground and check wheat a...

2004
Jorge Omar Gieco Jorge Dubcovsky Luis Eduardo Aranha Camargo

Studies dedicated to understanding the behavior of pathogens in relation to their hosts are the starting point for any breeding program aimed to develop resistant cultivars. The objective of this study was to analyze the resistance to Septoria tritici Rob in 77 F11 progenies of wheat derived from the three-way cross Tadinia × (Yecora rojo × UC554) in the phenological stages of seedling, tilleri...

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