Effect of heat tension and water restriction on yield and yield components of wheat cultivars

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Asadalahzadeh R.; HATAMI A.; NADERI A.

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Journal: CROP PHYSIOLOGY Year:2019 | Volume:11 | Issue:3 (43) Page(s): 119-138

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Title

Effect of heat tension and water restriction on yield and yield components of wheat cultivars

Author(s)

Asadalahzadeh R. | HATAMI A. | NADERI A. | Issue Writer Certificate

Keywords

Grain filling periodQ2

Dry matter remobilization and One-thousand grain weightQ1

Abstract

In order to evaluate the effect of heat tension and water restriction on yield and components yield of wheat cultivars, the present experiment was conducted as split plots based on randomized complete blocks design with four replications at Khuzestan Agricultural Research Center in two years in (20162017). Main plots included control: planting on recommended date and normal conditions, planting on recommended date and and irrigation cut off after pollination and planting with a delay of one month from the recommended planting date and having normal conditions and sub plot consisted of three wheat genotypes Chamran2, Aflak and Khalil. The results showed that drought and heat and water restriction effect reduced the yield and its components and Grain filling period is heavily influenced by heat tension for all cultivars. In general, Khalil cultivar with the most grain yield (3582 kilogram per hectare) and one-thousand grain weight (3. 34 gram) was superior to other cultivars under tension of water and heat restriction. Grain yield of Chamran 2 cultivar revealed a significant decrease in water restriction and heat tension conditions and in this situation it is not recommended. Compared to the other two cultivars, Khalil had the highest grain yield and one-thousand grain weight under drought tension conditions was more stable and is suitable for cultivation under such conditions.

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APA: Copy

Asadalahzadeh, R., HATAMI, A., & NADERI, A.. (2019). Effect of heat tension and water restriction on yield and yield components of wheat cultivars. CROP PHYSIOLOGY, 11(3 (43) ), 119-138. SID. https://sid.ir/paper/368732/en

Vancouver: Copy

Asadalahzadeh R., HATAMI A., NADERI A.. Effect of heat tension and water restriction on yield and yield components of wheat cultivars. CROP PHYSIOLOGY[Internet]. 2019;11(3 (43) ):119-138. Available from: https://sid.ir/paper/368732/en

IEEE: Copy

R. Asadalahzadeh, A. HATAMI, and A. NADERI, “Effect of heat tension and water restriction on yield and yield components of wheat cultivars,” CROP PHYSIOLOGY, vol. 11, no. 3 (43) , pp. 119–138, 2019, [Online]. Available: https://sid.ir/paper/368732/en

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