EVALUATION OF GENETIC VARIATIONS FOR DROUGHT TOLERANCE IN SOME ADVANCE LINES OF BARLEY (HORDEUM VULGAR)
Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 3
Abstract
In order to evaluation of genetic variation for drought tolerance, seven advanced barley lines (Hordeum vulgar) and two control cultivars planted in the field of the Agricultural and Natural Resource Station of Kermanshah, Iran, using randomized complete block design with three replications in 2009 - 2011. The Results of variance analysis showed a significant differences between genotypes for yield potential (Yp), stress yield (Ys), mean productivity (MP), geometric mean productivity (GMP), harmonic mean (MH), stress tolerance index (STI), yield index (YI) and abiotic tolerance index (ATI) at ٪1 level and for tolerance index (TOL), stress susceptibility index (SSI), Yield stability index (YSI), drought resistance index (DI), stress susceptibility percentage index (SSPI) and stress non-stress production index (SNPI) at ٪5 level. Screening drought tolerance indicators using correlation analysis displayed that the most suitable drought tolerance criteria for screening advanced barley lines were MP, GMP, MH and STI. The results of compare means, cluster analysis and principal component analysis showed that the genotypes of MBD-85-8, MB-85-3 and Nosrat had the most resistance to drought and the highest seed yield; on the other side, the genotypes of MBD-85-6, MBD-85-3 and MBD-85-14 had the lowest resistance to drought and seed yield. The genotypes of MB-85-18, MB-85-5 and Yosef had the moderate resistance to drought and seed yield.
Authors and Affiliations
Borzoo Yousefi
Keywords
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