RESPONSE OF BARLEY DOUBLE HAPLOID LINES TO THE GRAIN YIELD AND MORPHOLOGICAL TRAITS UNDER WATER DEFICIT STRESS CONDITIONS

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KHALILY MAROOF; AHARIZAD SAEID; PORABOGHADAREH ALIREZA

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2017 | Volume:10 | Issue:4 (40) Page(s): 927-943

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Title

RESPONSE OF BARLEY DOUBLE HAPLOID LINES TO THE GRAIN YIELD AND MORPHOLOGICAL TRAITS UNDER WATER DEFICIT STRESS CONDITIONS

Author(s)

KHALILY MAROOF | AHARIZAD SAEID | PORABOGHADAREH ALIREZA | Issue Writer Certificate

Keywords

BARLEYQ2

DOUBLED HAPLOID LINESQ2

DROUGHT TOLERANCE INDICESQ2

GRAIN YIELDQ2

PATH ANALYSISQ2

Abstract

To study the relationships of GRAIN YIELD and some of agro-morphological traits in 40 doubled haploid (DH) lines along with parental and three check genotypes in a randomized complete block design with two replications under two water regimes (normal and stress) were evaluated during 2011-2012 and 2012-2013 growing seasons.Combined analysis of variance showed significant difference for all the traits in terms of the year, water regimes, lines, and and line × year. Comparison of group means, between non-stress and stress conditions, showed that DH lines had the lowest reduction percentage for the number of grains per spike, thousand grain weight, GRAIN YIELD and biological yield as opposed to check genotypes. The correlation between GRAIN YIELD with biological yield, harvest index, thousand grain weight, and hectoliter of kernel weight in both conditions, were highly significant and positive. Based on stepwise regression the peduncle length, number of seeds per spike, thousand seed weight, and hectoliter of kernel weight had important effect on increasing seed yield. The result of PATH ANALYSIS showed that these traits had the highest direct effect on GRAIN YIELD. Based on mean comparisons of morphological characters as well as STI and GMP indices it can be concluded that lines No.11, 13, 14, 24, 29, 30, 35 and 39 were distinguished to be desirable lines for GRAIN YIELD and their related traits and also tolerant lines in terms of response to drought stress conditions.

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APA: Copy

KHALILY, MAROOF, AHARIZAD, SAEID, & PORABOGHADAREH, ALIREZA. (2017). RESPONSE OF BARLEY DOUBLE HAPLOID LINES TO THE GRAIN YIELD AND MORPHOLOGICAL TRAITS UNDER WATER DEFICIT STRESS CONDITIONS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 10(4 (40) ), 927-943. SID. https://sid.ir/paper/182885/en

Vancouver: Copy

KHALILY MAROOF, AHARIZAD SAEID, PORABOGHADAREH ALIREZA. RESPONSE OF BARLEY DOUBLE HAPLOID LINES TO THE GRAIN YIELD AND MORPHOLOGICAL TRAITS UNDER WATER DEFICIT STRESS CONDITIONS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2017;10(4 (40) ):927-943. Available from: https://sid.ir/paper/182885/en

IEEE: Copy

MAROOF KHALILY, SAEID AHARIZAD, and ALIREZA PORABOGHADAREH, “RESPONSE OF BARLEY DOUBLE HAPLOID LINES TO THE GRAIN YIELD AND MORPHOLOGICAL TRAITS UNDER WATER DEFICIT STRESS CONDITIONS,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 10, no. 4 (40) , pp. 927–943, 2017, [Online]. Available: https://sid.ir/paper/182885/en

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