Assessment barley genotypes using stress tolerance indices in normal and rainfed conditions in Badjgah region, Fars Province

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AHMADZADEH A.R.; PAKNIYAT H.; TAVAKOL E.; SHAHRASBI S.

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Paper Information

Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2019 | Volume:11 | Issue:36 Page(s): 240-255

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Title

Assessment barley genotypes using stress tolerance indices in normal and rainfed conditions in Badjgah region, Fars Province

Author(s)

AHMADZADEH A.R. | PAKNIYAT H. | TAVAKOL E. | SHAHRASBI S. | Issue Writer Certificate

Keywords

BarleyQ2

rainfed conditionQ2

drought stressQ1

drought toleranceQ2

Abstract

To evaluate the drought tolerance of Barley, eight foreign lines and two Iranian cultivars were studied in two rainfed and irrigated conditions during 2013-2014 in a RCB design with three replications. The results of comparison showed that the highest grain yield under irrigated conditions were belonged to lines 79, 95 & 120 and Yousef cultivar (with average yield 935. 3 g/m2) and under rainfed conditions belonged to lines 95 and 120 (average yield 834. 3 g/m2). In both conditions, the lowest yield was found in line 21 (average yield 227. 0 g/m2). There was not correlation between the results obtained by two group indices (sensitive evaluation indices vs. tolerance evaluation indices) in identification of tolerant genotypes, so that based on TOL, LOS and SSI, lines 21, 97 & 125 and Reyhan cultivar were sensitive and low yielding genotypes, while based on MP, STI, GMP and HAR, lines 95 & 120 and Yousef cultivar had highest drought tolerance. To selection and introduce the best criteria of drought tolerance, the correlation of above indices with yield under normal and drought stress was evaluated. According to the results of the correlation between stress indices MP, GMP, HMP, YI and STI had significant correlation with yield under both normal and stress conditions, which indicating that using these criteria for evaluation of drought tolerance will be more desirable in breeding programs. According to these indices and high yield of genotypes under both environmental conditions, lines 95 and 120 were found to be the best genotypes.

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APA: Copy

AHMADZADEH, A.R., PAKNIYAT, H., TAVAKOL, E., & SHAHRASBI, S.. (2019). Assessment barley genotypes using stress tolerance indices in normal and rainfed conditions in Badjgah region, Fars Province. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 11(36 ), 240-255. SID. https://sid.ir/paper/188311/en

Vancouver: Copy

AHMADZADEH A.R., PAKNIYAT H., TAVAKOL E., SHAHRASBI S.. Assessment barley genotypes using stress tolerance indices in normal and rainfed conditions in Badjgah region, Fars Province. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2019;11(36 ):240-255. Available from: https://sid.ir/paper/188311/en

IEEE: Copy

A.R. AHMADZADEH, H. PAKNIYAT, E. TAVAKOL, and S. SHAHRASBI, “Assessment barley genotypes using stress tolerance indices in normal and rainfed conditions in Badjgah region, Fars Province,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 11, no. 36 , pp. 240–255, 2019, [Online]. Available: https://sid.ir/paper/188311/en

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