EVALUATION OF ADAPTABILITY, YIELD STABILITY AND REACTION TO ENVIRONMENTAL STRESSES (DROUGHT AND HEAT) IN DRYLAND DURUM WHEAT GENOTYPES

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SADEGHZADEH AHARI D.; AGHAEI SARBARZEH M.; BAHRAMI S.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:15 | Issue:4 Page(s): 73-89

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Title

EVALUATION OF ADAPTABILITY, YIELD STABILITY AND REACTION TO ENVIRONMENTAL STRESSES (DROUGHT AND HEAT) IN DRYLAND DURUM WHEAT GENOTYPES

Author(s)

SADEGHZADEH AHARI D. | AGHAEI SARBARZEH M. | BAHRAMI S. | Issue Writer Certificate

Keywords

ADAPTABILITYQ2

COLD DRYLAND REGIONSQ2

DURUM WHEATQ2

GRAIN YIELDQ2

STABILITYQ3

Abstract

In order to study of ADAPTABILITY, yield STABILITY and tolerance to some environmental stresses (drought and heat) of dryland promising DURUM WHEAT genotypes, this study was conducted during two cropping seasons (2001-2003) in two separate experiments and three regions of cold dryland area (Maragheh, Sararood and Ghamloo). Experiments included seven promised DURUM WHEAT genotypes with one durum as check (Zardak) and three bread wheat genotypes (one landrace, Azar- 2 and Sardari) and conducted in a randomized complete black design with four replications. In the first experiment in each location simple analysis of variance (ANOVA) and combined ANOVA for two years were implemented. Lin and Binns parameter, coefficient of variation, and rank method were used for determination of stable genotypes. Results of combined ANOVA showed that Year (Y). Location (L), Genotype (G) and interaction effects of Y×L and Y×L×G on GRAIN YIELD were highly significant (P£0.01). The highest GRAIN YIELDs belonged to the first year (1.880 t/ha), Sararood (2.640 t/ha) and after bread wheat varieties Azar-2(2.320 t/ha) and Sardari (2.270 t/ha), line noA (61-130/414-44//...) with 1.960 t/ha had the highest GRAIN YIELD among DURUM WHEAT genotypes. Results of STABILITY analysis with Lin and Binns method showed that lines no. 8, 7, 6 and 3 had the highest STABILITY as compared with the bread wheat genotypes and durum check. Based on the results of rank method all durum genotypes had the lowest ral1k mean comparing with Zardak (check) and the lowest standard deviation of the ranks belonged to line no. 4. Second experiment conducted under rainfed and irrigated (sowing date and spike emergence date) conditions. Quantitative criteria of stress resistance as: stress tolerance index (SSI) and geometric mean productivity (GMP) were used for genotypes response to stresses. Results of the second experiment showed that among the DURUM WHEAT genotypes line no. 4 has the highest tolerance to environmental stresses (heat and drought). According to the results, line no. 4 can be recommended for cold dryland areas of Iran.

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APA: Copy

SADEGHZADEH AHARI, D., AGHAEI SARBARZEH, M., & BAHRAMI, S.. (2006). EVALUATION OF ADAPTABILITY, YIELD STABILITY AND REACTION TO ENVIRONMENTAL STRESSES (DROUGHT AND HEAT) IN DRYLAND DURUM WHEAT GENOTYPES. JOURNAL OF AGRICULTURAL KNOWLEDGE, 15(4), 73-89. SID. https://sid.ir/paper/28962/en

Vancouver: Copy

SADEGHZADEH AHARI D., AGHAEI SARBARZEH M., BAHRAMI S.. EVALUATION OF ADAPTABILITY, YIELD STABILITY AND REACTION TO ENVIRONMENTAL STRESSES (DROUGHT AND HEAT) IN DRYLAND DURUM WHEAT GENOTYPES. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;15(4):73-89. Available from: https://sid.ir/paper/28962/en

IEEE: Copy

D. SADEGHZADEH AHARI, M. AGHAEI SARBARZEH, and S. BAHRAMI, “EVALUATION OF ADAPTABILITY, YIELD STABILITY AND REACTION TO ENVIRONMENTAL STRESSES (DROUGHT AND HEAT) IN DRYLAND DURUM WHEAT GENOTYPES,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 15, no. 4, pp. 73–89, 2006, [Online]. Available: https://sid.ir/paper/28962/en

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