Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices

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Rahmati Hoshang; NAKHZARI MOGHADAM ALI; RAHEMI KARIZAKI ALI; Evarsaji Zeynab

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Journal: JOURNAL OF CROP BREEDING Year:2020 | Volume:12 | Issue:33 Page(s): 174-183

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Title

Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices

Author(s)

Rahmati Hoshang | NAKHZARI MOGHADAM ALI | RAHEMI KARIZAKI ALI | Evarsaji Zeynab | Issue Writer Certificate

Keywords

WheatQ3

BipotQ2

StressQ2

Abstract

Drought is one of the most important factors limiting the growth and production of crops in most parts of the world and Iran and affects as a multidimensional Stress on plants at different levels. In order to study drought tolerance of durum Wheat genotypes, an experiment was conducted in a randomized complete block design with three replications in Stress field in Kouhdasht city. Results of analysis of variance showed that the response of the studied genotypes was different for grain yield and the possibility of selection of genotypes based on each of the traits. Comparison of numerical values and rank of each genotype according to drought tolerance indices showed that based on drought tolerance indices according to seed yield of genotypes (Omrab ), (Hana) and (Aria (stork) as drought tolerant and genotypes, Other genotypes were identified as susceptible genotypes. The results of correlation coefficients between indices showed that MP, GMP, HAM, STI indices had positive and significant correlation at probability level with grain yield in Stress and non-Stress conditions. There were some, so it can be said that these indices are the best indices for identifying superior genotypes. Principal component analysis results showed that the first two components accounted for about of the data variation. According to Gabriel's biplot chart, the studied genotypes were classified into two high yield potential and low yield potential areas, with genotypes (Omrab ), (Hana) and (Aria (stork) being adjacent to vectors. Drought tolerance was identified as superior genotypes. Cluster analysis based on superior indices separated the studied genotypes into three general groups, which were in good agreement with the results of Gabriel biplot plotting.

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APA: Copy

Rahmati, Hoshang, NAKHZARI MOGHADAM, ALI, RAHEMI KARIZAKI, ALI, & Evarsaji, Zeynab. (2020). Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices. JOURNAL OF CROP BREEDING, 12(33 ), 174-183. SID. https://sid.ir/paper/181078/en

Vancouver: Copy

Rahmati Hoshang, NAKHZARI MOGHADAM ALI, RAHEMI KARIZAKI ALI, Evarsaji Zeynab. Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices. JOURNAL OF CROP BREEDING[Internet]. 2020;12(33 ):174-183. Available from: https://sid.ir/paper/181078/en

IEEE: Copy

Hoshang Rahmati, ALI NAKHZARI MOGHADAM, ALI RAHEMI KARIZAKI, and Zeynab Evarsaji, “Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices,” JOURNAL OF CROP BREEDING, vol. 12, no. 33 , pp. 174–183, 2020, [Online]. Available: https://sid.ir/paper/181078/en

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