DETERMINATION OF THE BEST SELECTION CRITERIA TO IMPROVE YIELD OF BREAD WHEAT (TRITICUM AESTIVUM L.) GENOTYPES IN DROUGHT STRESS CONDITION

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GOLPARVAR A.R.; GHANADHA M.R.; ZALI A.; AHMADI A.

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Journal: Seed and Plant Year:2002 | Volume:18 | Issue:2 Page(s): 144-155

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Title

DETERMINATION OF THE BEST SELECTION CRITERIA TO IMPROVE YIELD OF BREAD WHEAT (TRITICUM AESTIVUM L.) GENOTYPES IN DROUGHT STRESS CONDITION

Author(s)

GOLPARVAR A.R. | GHANADHA M.R. | ZALI A. | AHMADI A. | Issue Writer Certificate

Keywords

WHEATQ3

YIELDQ2

INDIRECT SELECTIONQ2

SELECTION CRITERIAQ3

PHENOTYPE CORRELATIONQ2

STEP-WISE REGRESSIONQ2

PATH ANALYSISQ2

Abstract

In order to increase the efficiency in breeding of advanced cultivars, the morphological traits that are effective in enhancement of kernel YIELD, should be identified and used as SELECTION CRITERIA. Because of that, a study was carried out on 567 bread WHEAT genotypes together with two check cultivars Karaj 1 and Sardari. Experimental design was augmented. To increase chance of seed-germination, one irrigation was done. Analysis of variance indicated non-significant difference between blocks for all traits. Results of correlation analysis showed that most of the traits had positive and significant correlation with plant kernel YIELD. By stepwise regression analysis, seven traits entered to the model which verified 98.4% of YIELD variation. PATH ANALYSIS for plant kernel YIELD indicated that number of kernels per plant, and spike kernel YIELD had the most positive and direct effect and number of kernels per spike had the most negative and direct effect on plant kernel YIELD. Therefore, in this study number of kernels per plant and spike kernel YIELD were determined as the best SELECTION CRITERIA for improvement of plant kernel YIELD in drought stress condition.

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APA: Copy

GOLPARVAR, A.R., GHANADHA, M.R., ZALI, A., & AHMADI, A.. (2002). DETERMINATION OF THE BEST SELECTION CRITERIA TO IMPROVE YIELD OF BREAD WHEAT (TRITICUM AESTIVUM L.) GENOTYPES IN DROUGHT STRESS CONDITION. SEED AND PLANT, 18(2), 144-155. SID. https://sid.ir/paper/20410/en

Vancouver: Copy

GOLPARVAR A.R., GHANADHA M.R., ZALI A., AHMADI A.. DETERMINATION OF THE BEST SELECTION CRITERIA TO IMPROVE YIELD OF BREAD WHEAT (TRITICUM AESTIVUM L.) GENOTYPES IN DROUGHT STRESS CONDITION. SEED AND PLANT[Internet]. 2002;18(2):144-155. Available from: https://sid.ir/paper/20410/en

IEEE: Copy

A.R. GOLPARVAR, M.R. GHANADHA, A. ZALI, and A. AHMADI, “DETERMINATION OF THE BEST SELECTION CRITERIA TO IMPROVE YIELD OF BREAD WHEAT (TRITICUM AESTIVUM L.) GENOTYPES IN DROUGHT STRESS CONDITION,” SEED AND PLANT, vol. 18, no. 2, pp. 144–155, 2002, [Online]. Available: https://sid.ir/paper/20410/en

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