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Assessment of water stress tolerance in twenty barley genotypes under field conditions [electronic resource].

By:

El-Seidy, E. H. E

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Language: English Summary language: Arabic Description: p.325-345Other title:

تقدير تحمل عشرون تركيبا وراثيا من الشعير للإجهاد المائى تحت الظروف الحقلية [Added title page title]

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Egyptian journal of agricultural research, 2012 v. 90 (4), Special issue [electronic resource]:

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In: Egyptian Journal of Agricultural Research 2012.v.90(4),SISummary: To evaluate some barley (Hordeum Vulgare L.) varieties and sixteen breeding lines for high yield potential and stable performance under two irrigation treatments (non-stressed and stressed), days to maturity, plant height, spike length, number of spike m-2 and water use efficiency and seed indices such as 1000 grain weight, number of grains per spike, grain yield, biological yield in addition to seven stress tolerance indices were evaluated (STI, YI, YSI, MP, GMP, Yr, D51)* during two successive seasons 2009/10 and 2010/11 at Sakha Res. Station. All the studied characteristics were significantly affected by water stress in both growing seasons. There were significant differences for all the seven indices among the genotypes. Grain yield under normal condition (Yp) was highly significantly correlated with grain yields under stressed (Ys) conditions.

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To evaluate some barley (Hordeum Vulgare L.) varieties and sixteen breeding lines for high yield potential and stable performance under two irrigation treatments (non-stressed and stressed), days to maturity, plant height, spike length, number of spike m-2 and water use efficiency and seed indices such as 1000 grain weight, number of grains per spike, grain yield, biological yield in addition to seven stress tolerance indices were evaluated (STI, YI, YSI, MP, GMP, Yr, D51)* during two successive seasons 2009/10 and 2010/11 at Sakha Res. Station. All the studied characteristics were significantly affected by water stress in both growing seasons. There were significant differences for all the seven indices among the genotypes. Grain yield under normal condition (Yp) was highly significantly correlated with grain yields under stressed (Ys) conditions.

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