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Title

EVALUATION OF DROUGHT STRESS TOLERANCE IN KABULI TYPE CHICKPEA (CICER ARIETINUM L.) LINES

Writers

FARAYEDI Y.

Pages

 Start Page 83 | End Page 100

Keywords

CHICKPEA (CICER ARIETINUM L.)Q2

Abstract

 To evaluate and study the response of different chickpea genotypes to drought stress and determinate of drought tolerance and high GRAIN YIELD genotypes, this experiment was conducted with 41 Kabouli type chickpea genotypes including of susceptible check (ILC 3279). The experiment was performed in a RCB design with two replications under stress (rainfed) and non-stress (irrigated) conditions during 2006-07 and 2008-09 cropping seasons at Maragheh agricultural research station. In this regard, stress susceptibility index (SSI), stress tolerance index (STI), geometric mean productivity (GMP), tolerance index (TOL), mean productivity (MP) and harmonic mean (HM) were calculated. The results showed that in rainfed and irrigated conditions the highest GRAIN YIELDs produced by FLIP 02-70C (with 1268 Kg/ha) and FLIP 87-59C (with 2112 Kg/ha) genotypes, respectively. Ranking of genotypes based on GRAIN YIELD in both stress and non-stress conditions showed that genotypes No. 1 and 15 had high GRAIN YIELDs and stability among the tested genotypes. Evaluation of genotypes with stress tolerance indices showed that FLIP 87-59C, FLIP 02-69C, FLIP 02-70C and  FLIP 02-48C had high GMP, STI, MP and HM indices and were identified as drought resistant genotypes. The coefficient correlation of MP, GMP, STI and HM with GRAIN YIELD in both stress and non-stress conditions were positively significant. These criteria were recommended as desirable indices for determination of resistant chickpea genotypes.

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