EFFECT OF DROUGHT TENSION ON GRAIN YIELD AND QUANTITATIVE CHARACTERISTICS OF PROMISING GENOTYPES OF SPRING CANOLA

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GHODRATI G.R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: CROP PHYSIOLOGY Year:2013 | Volume:5 | Issue:18 Page(s): 67-82

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Title

EFFECT OF DROUGHT TENSION ON GRAIN YIELD AND QUANTITATIVE CHARACTERISTICS OF PROMISING GENOTYPES OF SPRING CANOLA

Author(s)

GHODRATI G.R. | Issue Writer Certificate

Keywords

DROUGHT TENSIONQ2

CANOLAQ2

QUANTITATIVE TRAITSQ2

GRAIN YIELDQ2

Abstract

The effect of drought of the end of season on GRAIN YIELD and quantitative characteristics of eleven promising lines of spring rapeseed, with Hyola 401 cultivar as control, were investigated as a randomized complete block design with three replications at two normal and irrigation cut tension conditions from the beginning of flowering in two years (2008-2010) at Safiabad Agricultural Research Center. After the combined analysis in the main effects of DROUGHT TENSION and lines, and their interaction, significant statistical differences was observed in GRAIN YIELD average and other QUANTITATIVE TRAITS. Irrigation cut at the beginning of flowering reduced seed yield 25%, number of capsules per plant 14.4%, 1000-seed weight 13.6%, seed number per capsules 10% and oil content 6.5% in comparison to control treatment. The highest seed yield obtained on no tension conditions in Hyola 401 and L4 with 2537 and 2511 kg/ha, respectively; and on tension conditions was in Hyola401 and L1 with 2025 and 1974 kg/ha, respectively. The comparison of means in two conditions of irrigation separately showed that the difference between lines in tension conditions was more than no tension conditions. Thus, the lines regarding the reaction of yield to tension have different genetic tolerance. So, using of lines with desirable genetic traits such as minimum reducing GRAIN YIELD, yield components and oil percentage is appropriate in breeding programs. Totally, the lines L1, L4 and L11 are recommended as alternative to Hyola 401 cultivar.

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APA: Copy

GHODRATI, G.R.. (2013). EFFECT OF DROUGHT TENSION ON GRAIN YIELD AND QUANTITATIVE CHARACTERISTICS OF PROMISING GENOTYPES OF SPRING CANOLA. CROP PHYSIOLOGY, 5(18), 67-82. SID. https://sid.ir/paper/174480/en

Vancouver: Copy

GHODRATI G.R.. EFFECT OF DROUGHT TENSION ON GRAIN YIELD AND QUANTITATIVE CHARACTERISTICS OF PROMISING GENOTYPES OF SPRING CANOLA. CROP PHYSIOLOGY[Internet]. 2013;5(18):67-82. Available from: https://sid.ir/paper/174480/en

IEEE: Copy

G.R. GHODRATI, “EFFECT OF DROUGHT TENSION ON GRAIN YIELD AND QUANTITATIVE CHARACTERISTICS OF PROMISING GENOTYPES OF SPRING CANOLA,” CROP PHYSIOLOGY, vol. 5, no. 18, pp. 67–82, 2013, [Online]. Available: https://sid.ir/paper/174480/en

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