EVALUATION OF SPRING RAPESEED CULTIVARS REACTION TO TERMINAL DROUGHT STRESS

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SHIRANI RAD A.H.; DEHSHIRI A.; NAIMI M.

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Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2011 | Volume:3 | Issue:3 Page(s): 279-294

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Information Journal Paper

Title

EVALUATION OF SPRING RAPESEED CULTIVARS REACTION TO TERMINAL DROUGHT STRESS

Author(s)

SHIRANI RAD A.H. | DEHSHIRI A. | NAIMI M. | Issue Writer Certificate

Keywords

DROUGHT STREESQ2

DROUGHT TOLERANCEQ2

GRAIN YIELDQ2

RAPESEEDQ2

Abstract

In order to evaluation of spring RAPESEED cultivars reaction to terminal drought stress, an experiment was carried out in a split plot design based on RCBD with four replications for two years (2006-2008) at the research field of Seed and Plant Improvement Institute in Karaj. In this experiment, irrigation treatments in two levels as main plot such as normal irrigation (irrigation after 80 mm evaporation from evaporation pan) and water deficit stress as no irrigation from stem elongation to end of growth and varieties as sub plots in 20 levels ( Sarigol, Goliath, Heros, Comet, Amica, SW5001, Cracker Jack, Eagle, Wild Cat, SW Hot Shot, Ogla, 19-H, Hyola 401, Hyola 60, RGS006, Hyola 420, RGS003, Option 500, Hyola 308 and Quantum ). The results indicated that water deficit stress decreased plant height, branch per plant, pods per plant, grain per pod, 1000 grain weight, biologic yield, GRAIN YIELD, seed oil content and oil yield, but there was not significant effect on harvest index. Under normal irrigation, Hyola 401 with high grain in pod and 1000 grain weight had the highest GRAIN YIELD whereas, in water deficit stress conditions, RGS003 with greatest grains in pod and 1000 grain weight produced the maximum GRAIN YIELD and it had the highest stress tolerance index (STI) in comparison with others varieties. Also, Quantum variety with the lowest GRAIN YIELD under normal irrigation (3492 kg.ha-1), water deficit stress (2948 kg.ha-1) and small STI had the more susceptive to water deficit.

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APA: Copy

SHIRANI RAD, A.H., DEHSHIRI, A., & NAIMI, M.. (2011). EVALUATION OF SPRING RAPESEED CULTIVARS REACTION TO TERMINAL DROUGHT STRESS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 3(3), 279-294. SID. https://sid.ir/paper/401330/en

Vancouver: Copy

SHIRANI RAD A.H., DEHSHIRI A., NAIMI M.. EVALUATION OF SPRING RAPESEED CULTIVARS REACTION TO TERMINAL DROUGHT STRESS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2011;3(3):279-294. Available from: https://sid.ir/paper/401330/en

IEEE: Copy

A.H. SHIRANI RAD, A. DEHSHIRI, and M. NAIMI, “EVALUATION OF SPRING RAPESEED CULTIVARS REACTION TO TERMINAL DROUGHT STRESS,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 3, no. 3, pp. 279–294, 2011, [Online]. Available: https://sid.ir/paper/401330/en

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