TRAITS RELATED TO YIELD IN BREAD WHEAT GENOTYPES UNDER NORMAL IRRIGATION AND WATER STRESS CONDITIONS

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AKBARABADI ALI; KAHRIZI DANIAL; REZAI ZAD ABBAS; AHMADI GHOLAMHOSSEIN; GHOBADI MOKHTAR

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Journal: Iranian Journal of Field Crop Science Year:2015 | Volume:46 | Issue:2 Page(s): 0-0

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Title

TRAITS RELATED TO YIELD IN BREAD WHEAT GENOTYPES UNDER NORMAL IRRIGATION AND WATER STRESS CONDITIONS

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Keywords

BREAD WHEATQ2

PATH ANALYSIS AND FACTOR ANALYSISQ2

WATER STRESSQ2

Abstract

In order to study the yield component traits of grain in BREAD WHEAT genotypes, 200 lines of CIMMYT origin BREAD WHEAT were cultured and evaluated in augmented design by four control lines in ten blocks in 2010-2011 growing season. Using stepwise regression analysis, five and four traits entered to regression model under stress (R2=0.41) and normal (R2=0.38) conditions, respectively. Path analysis results showed that the traits day to stem (P=-0.369) and number of seed per spike (P=0.264) had the highest direct effect on seed yield under stress and normal conditions, respectively. In normal conditions, the thousand seed weight (434.0) trait showed the most direct effect on yield that could be used as an index in wheat breeding programs for selecting superior genotypes. Factors analysis in stress and non-stress conditions indicated eight factors justifying 67.96% and 69.43% out of total variance, respectively. Based on the survey results, grain yield is strongly affected by yield component traits and these traits are considered as an important measure for improving BREAD WHEAT genotypes in order to achieve better performance and more favorable genotypes.

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APA: Copy

AKBARABADI, ALI, KAHRIZI, DANIAL, REZAI ZAD, ABBAS, AHMADI, GHOLAMHOSSEIN, & GHOBADI, MOKHTAR. (2015). TRAITS RELATED TO YIELD IN BREAD WHEAT GENOTYPES UNDER NORMAL IRRIGATION AND WATER STRESS CONDITIONS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 46(2), 0-0. SID. https://sid.ir/paper/358967/en

Vancouver: Copy

AKBARABADI ALI, KAHRIZI DANIAL, REZAI ZAD ABBAS, AHMADI GHOLAMHOSSEIN, GHOBADI MOKHTAR. TRAITS RELATED TO YIELD IN BREAD WHEAT GENOTYPES UNDER NORMAL IRRIGATION AND WATER STRESS CONDITIONS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;46(2):0-0. Available from: https://sid.ir/paper/358967/en

IEEE: Copy

ALI AKBARABADI, DANIAL KAHRIZI, ABBAS REZAI ZAD, GHOLAMHOSSEIN AHMADI, and MOKHTAR GHOBADI, “TRAITS RELATED TO YIELD IN BREAD WHEAT GENOTYPES UNDER NORMAL IRRIGATION AND WATER STRESS CONDITIONS,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 46, no. 2, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/358967/en

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