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Title

THE EVALUATION OF RESISTANCE OF BREAD WHEAT GENOTYPES FOR DROUGHT STRESS IN THE FIELD AND LABORATORY CONDITIONS

Pages

 Start Page 87 | End Page 98

Abstract

 This study has been conducted in order to identify and introduce the resistant BREAD WHEAT genotypes to drought in germination stage. Seeds of 30 genotypes with different resistance were exposed to OSMOTIC POTENTIAL levels of 0, -4, -8 and -12 bar taken from POLYETHYLENE GLYCOL 6000 solution. A factorial experiment based on completes randomized block design was conducted with three replications. The results showed that there was a significant difference between genotypes, OSMOTIC POTENTIAL levels and their interaction effect of OSMOTIC POTENTIAL levels x genotypes. It was also observed that with the increase in the amount of OSMOTIC POTENTIAL level amount in sensitive genotypes, a significant decrease of germination was occurred cultivars, Tabasi, Alvand, Bak cross bahare Roshan and Darab2 showed the highest percentage of germination.

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