DETERMINATION OF THE SUITABLE DROUGHT RESISTANCE INDICES IN RICE VARIETIES

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KOHANSALVAJARGAH F.; AMIRI E.; PAKNEJAD F.; VAZAN S.; KOHANSALVAJARGAH S.; MOTAMEDI M.

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Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2011 | Volume:2 | Issue:4 Page(s): 299-313

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Title

DETERMINATION OF THE SUITABLE DROUGHT RESISTANCE INDICES IN RICE VARIETIES

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Keywords

DROUGHT RESISTANT INDICESQ3

SEED YIELDQ2

STRESSQ2

RICEQ2

Abstract

In order to evaluate RICE genotypes for tolerance to drought STRESS and identifying tolerant and sensitive genotypes to drought, 15 RICE cultivars were evaluated according to the factorial design in the basis of randomized completely design in four replications according to non –stress conditions, drought STRESS in vegetative stages and drought STRESS in reproductive stages .Six drought resistance indices including Means Productivity(MP), Geometry Mean Productivity (GMP), Harmonic Means Index (HarM) , STRESS Tolerance Index (STI), STRESS Susceptibility Index (SSI) and Tolerance (TOL) were assessed on basis of SEED YIELD. STRESS intensity in this experiment for vegetative STRESS was (SI=0.63) and for reproductive STRESS was (SI=0.61). Mean comparison of genotypes showed that Dorfak cultivar was better cultivar for planting in vegetative STRESS and Mohammadi cultivar was better cultivar for planting in reproductive STRESS. Relationship between drought resistance indices and SEED YIELD in STRESS and non –stress environments showed that GMP, MP, STI and HM indices were the best indices for identifying resistance and or tolerant genotypes to drought STRESS in vegetative stage, and MP was as the best index for identifying resistance and or tolerant genotypes to drought STRESS in reproductive stage in RICE cultivars.

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APA: Copy

KOHANSALVAJARGAH, F., AMIRI, E., PAKNEJAD, F., VAZAN, S., KOHANSALVAJARGAH, S., & MOTAMEDI, M.. (2011). DETERMINATION OF THE SUITABLE DROUGHT RESISTANCE INDICES IN RICE VARIETIES . JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 2(4), 299-313. SID. https://sid.ir/paper/182172/en

Vancouver: Copy

KOHANSALVAJARGAH F., AMIRI E., PAKNEJAD F., VAZAN S., KOHANSALVAJARGAH S., MOTAMEDI M.. DETERMINATION OF THE SUITABLE DROUGHT RESISTANCE INDICES IN RICE VARIETIES . JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2011;2(4):299-313. Available from: https://sid.ir/paper/182172/en

IEEE: Copy

F. KOHANSALVAJARGAH, E. AMIRI, F. PAKNEJAD, S. VAZAN, S. KOHANSALVAJARGAH, and M. MOTAMEDI, “DETERMINATION OF THE SUITABLE DROUGHT RESISTANCE INDICES IN RICE VARIETIES ,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 2, no. 4, pp. 299–313, 2011, [Online]. Available: https://sid.ir/paper/182172/en

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