EVALUATION OF DROUGHT TOLERANCE OF BARLEY GENOTYPES USING DROUGHT STRESS INDICES

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MAHDAVI A.M.; SORKHI LALEHLOO B.; AHMADI S.; ZARE MANESH H.

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Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2012 | Volume:4 | Issue:2 Page(s): 121-133

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Title

EVALUATION OF DROUGHT TOLERANCE OF BARLEY GENOTYPES USING DROUGHT STRESS INDICES

Author(s)

MAHDAVI A.M. | SORKHI LALEHLOO B. | AHMADI S. | ZARE MANESH H. | Issue Writer Certificate

Keywords

BARLEYQ2

DROUGHT STRESSQ2

RESISTANCEQ2

SUSCEPTIBILITY INDICESQ2

Abstract

In order to identify drought tolerance BARLEY genotypes, screen quantitative indices drought tolerance and appointment best indices, one experiment carried out with 20 BARLEY genotype. This experiment excuted in RCBD with three replications under full irrigation and DROUGHT STRESS conditions during 2009-2010, cropping season in broujerd agricultural research station. In order to evaluation of BARLEY genotype for DROUGHT STRESS, stress susceptibility index (SSI), stress tolerance index (STI), geometric mean productively (GMP), tolerance index (TOL), mean productivity and harmonic mean (HM), data were collected. The result indicated significant different among all genotypes with respect to all quantitative indices and yield performance in both environments. This show the possibility of selection for drought tolerance among genotypes, and involvement of superior ones inbreeding programs. The result of experiment showed that No.7 (MB-79-4) genotype in the irrigation condition and NO.14 (MB-82-4) in dry condition has the highest grain yield. Highest HM, GMP, MP and STI were obtained in the No. 11 and 14 (CB-83-15 and MB-82-4) genotypes. Evaluation of genotypes for stress TOL and SSI index showed that No. 6 (CB-83-17) genotype has high index. Correlation analysis between yield and all indices revealed that MP, GMP, HM and STI are all indices for screening of drought tolerance genotypes. Accordingly, genotypes No. 7, 11, 14 and 19 (MB-79-4, CB-83-15, MB-82-4 and MB-79-15) were selected as drought tolerance genotypes. Biplot multivariate technique located the genotype No. 7, 11, 14 and 19 (MB-79-4, CB-83-15, MB-82-4 and CB-84-10) near the vectors related to drought RESISTANCE indices.

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APA: Copy

MAHDAVI, A.M., SORKHI LALEHLOO, B., AHMADI, S., & ZARE MANESH, H.. (2012). EVALUATION OF DROUGHT TOLERANCE OF BARLEY GENOTYPES USING DROUGHT STRESS INDICES. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 4(2), 121-133. SID. https://sid.ir/paper/182296/en

Vancouver: Copy

MAHDAVI A.M., SORKHI LALEHLOO B., AHMADI S., ZARE MANESH H.. EVALUATION OF DROUGHT TOLERANCE OF BARLEY GENOTYPES USING DROUGHT STRESS INDICES. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2012;4(2):121-133. Available from: https://sid.ir/paper/182296/en

IEEE: Copy

A.M. MAHDAVI, B. SORKHI LALEHLOO, S. AHMADI, and H. ZARE MANESH, “EVALUATION OF DROUGHT TOLERANCE OF BARLEY GENOTYPES USING DROUGHT STRESS INDICES,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 4, no. 2, pp. 121–133, 2012, [Online]. Available: https://sid.ir/paper/182296/en

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