Evaluation of the Tolerance of Different Genotypes of Rapeseed under Water Deficit Stress in East Azarbaijan Province

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Sadeghi Bakhtvari Amir Reza; Ghahrmani Bektash Bahman; PASBAN ESLAM BAHMAN; Sarabi Vahid; Hazrati Saeid

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Journal: JOURNAL OF CROP BREEDING Year:2019 | Volume:11 | Issue:31 Page(s): 65-77

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Title

Evaluation of the Tolerance of Different Genotypes of Rapeseed under Water Deficit Stress in East Azarbaijan Province

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CanolaQ1

Cluster analysisQ1

CorrelationQ2

Principal component analysisQ2

Water stressQ2

Abstract

Drought is one of the most important abiotic stresses worldwide that affects growth, development and final yield of crops. In order to evaluate the different genotypes of rapeseed under Water stress conditions, an experiment carried out as a split-plot design based on randomized complete block design (RCBD) with three replications. Three irrigation levels were applied in main plot included: non Water stress, Water stress from flowering stage and Water stress from pod formation stages to growth of the seed and different genotypes was in the sub factor. The results showed that there was a significantly variation among the genotypes based on the different traits studied at different levels of Water stress. Water deficit stress reduced all studied traits except the harvest index. The Cluster analysis of different genotypes of rapeseed based on UPGMA method at different levels non-stress, Water stress from flowering stage and pod formation stage, distinguished genotypes in, and groups, respectively. In Principal component analysis two factors was found at all levels of Water stress, which had an eigenvalue higher than one. Pod length, pod area, number of pods per plant, number of seeds per pod, absolute growth rate, grain yield and harvest index at all stress levels were the highest factor load in the positive direction ( % level). In Water stress at flowering stage level, grain yield showed significant Correlation with all traits except plant height and number of actual pods to potential. The results of the experiments showed that in non-stress conditions, L ( ha-), L ( ha-), HL ( ha-) and WPN ( ha-) genotypes had suitable yields, but under Water stress conditions at flowering stage WPN ( ha-), L ( ha-), SW ( ha-), L ( ha-) and HL ( ha-) genotypes and under Water stress at the pod formation stages, the genotype HL ( ha-) had a significantly higher grain yield than that of other genotypes.

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APA: Copy

Sadeghi Bakhtvari, Amir Reza, Ghahrmani Bektash, Bahman, PASBAN ESLAM, BAHMAN, Sarabi, Vahid, & Hazrati, Saeid. (2019). Evaluation of the Tolerance of Different Genotypes of Rapeseed under Water Deficit Stress in East Azarbaijan Province. JOURNAL OF CROP BREEDING, 11(31 ), 65-77. SID. https://sid.ir/paper/181091/en

Vancouver: Copy

Sadeghi Bakhtvari Amir Reza, Ghahrmani Bektash Bahman, PASBAN ESLAM BAHMAN, Sarabi Vahid, Hazrati Saeid. Evaluation of the Tolerance of Different Genotypes of Rapeseed under Water Deficit Stress in East Azarbaijan Province. JOURNAL OF CROP BREEDING[Internet]. 2019;11(31 ):65-77. Available from: https://sid.ir/paper/181091/en

IEEE: Copy

Amir Reza Sadeghi Bakhtvari, Bahman Ghahrmani Bektash, BAHMAN PASBAN ESLAM, Vahid Sarabi, and Saeid Hazrati, “Evaluation of the Tolerance of Different Genotypes of Rapeseed under Water Deficit Stress in East Azarbaijan Province,” JOURNAL OF CROP BREEDING, vol. 11, no. 31 , pp. 65–77, 2019, [Online]. Available: https://sid.ir/paper/181091/en

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