STUDY OF RELATIONSHIP BETWEEN GRAIN YIELD AND SOME AGRONOMIC TRAITS IN RAPESEED UNDER DROUGHT STRESS CONDITIONS

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BAKHTIARI GHARIBDOSTI A.; MOSTAFAVI K.; MOHAMMADI A.

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Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2010 | Volume:2 | Issue:3 Page(s): 201-214

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Title

STUDY OF RELATIONSHIP BETWEEN GRAIN YIELD AND SOME AGRONOMIC TRAITS IN RAPESEED UNDER DROUGHT STRESS CONDITIONS

Author(s)

BAKHTIARI GHARIBDOSTI A. | MOSTAFAVI K. | MOHAMMADI A. | Issue Writer Certificate

Keywords

DROUGHT STRESSQ2

AGRONOMIC TRAITSQ2

SEED YIELDQ2

RAPESEEDQ2

Abstract

In order to study of relationship between grain yield and some AGRONOMIC TRAITS in canola under DROUGHT STRESS conditions ten canola cultivars were used. These cultivars investigated in Split Plot design based Randomized Complete Block (RCB) design with 3 replications in 2010-2011. Main factor was containing normal and stress conditions, sub factor contain investigation cultivars. Different between main plots for all traits were significant except harvest index and days to 50% flowering. Analysis of variance showed that the differences between cultivars for all traits were significant except auxiliary stem no were significant. Environment and cultivar interaction were not significant. In DROUGHT STRESS conditions the highest Kernel yield was related to Licord, Sarigol, and RGS003, amount 2878.88, 2426.54, 2012.00 Kgr/ha respectively. Correlation and regression analysis showed that height of plant, number of pod in auxiliary stem, number of days till 50% of flowering, kernel yield in bush, and number of pods in main stem had the highest correlation with kernel yield. In factor analysis, the first four main components explain 76.78% of total variation. The first component showed that the most positive impact is related to the weight of 100 kernels trait and number of kernel in pad had the most negative impact. This component was named as weight of kernel. In the second component the number of pod in stem main and auxiliary stem had the most positive impact and the number of days till 50% of flowering had the most negative effect, so this factor named pods number. In the third component, Kernel yield and the number of kernel in pod had the most positive effect, and the harvest index had the most negative impact, so this factor named yield factor.

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APA: Copy

BAKHTIARI GHARIBDOSTI, A., MOSTAFAVI, K., & MOHAMMADI, A.. (2010). STUDY OF RELATIONSHIP BETWEEN GRAIN YIELD AND SOME AGRONOMIC TRAITS IN RAPESEED UNDER DROUGHT STRESS CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 2(3), 201-214. SID. https://sid.ir/paper/182261/en

Vancouver: Copy

BAKHTIARI GHARIBDOSTI A., MOSTAFAVI K., MOHAMMADI A.. STUDY OF RELATIONSHIP BETWEEN GRAIN YIELD AND SOME AGRONOMIC TRAITS IN RAPESEED UNDER DROUGHT STRESS CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2010;2(3):201-214. Available from: https://sid.ir/paper/182261/en

IEEE: Copy

A. BAKHTIARI GHARIBDOSTI, K. MOSTAFAVI, and A. MOHAMMADI, “STUDY OF RELATIONSHIP BETWEEN GRAIN YIELD AND SOME AGRONOMIC TRAITS IN RAPESEED UNDER DROUGHT STRESS CONDITIONS,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 2, no. 3, pp. 201–214, 2010, [Online]. Available: https://sid.ir/paper/182261/en

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