Responses of wheat grain weight and remobilization of solube carbohydrates to reduced source size under limited moisture condition

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Salehi Farshad; AHMADI ALI; BASIRI REZA; RAFEI HOSSEIN REZA

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Journal: Iranian Journal of Field Crop Science Year:2018 | Volume:49 | Issue:2 Page(s): 11-21

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Information Journal Paper

Title

Responses of wheat grain weight and remobilization of solube carbohydrates to reduced source size under limited moisture condition

Author(s)

Salehi Farshad | AHMADI ALI | BASIRI REZA | RAFEI HOSSEIN REZA | Issue Writer Certificate

Keywords

defoliationQ3

Leaf areaQ1

source –sinkQ1

Remobilization-yield of spikeQ1

Abstract

In a condition where water scarcity threatens the production of crops, any wasteful water growth Behavior, is undesirable. The aim of this study was to determine optimum Leaf area by which a balanced source sink-ratio under water limiting condition can be obtained. A split plot experiment based on RCBD with three replications was employed at research farm of university college of Agriculture and Natural Resources. University of Tehran, Karaj, during 2014-2015. Two moisture regimes (normal and moderate water stress) and four defoliation treatments were chosen as main and sub plot resp. There was no interaction between moisture regimes and defoliation treatments in terms of grain yield and number. Spike yield and grain number per spike also were not affected by moderate water stress. defoliation, however, affected spike yield; the reduction in grain weight of middle part of the spike being less affected comparing with upper and lower parts. Grain number was not affected by any defoliation treatments. Water stress, generally increased remobilization of stem soluble carbohydrate reserves. However, there was an interaction between defoliation and water regimes with this regards. While the highest value of remobilization under moisture stress condition was observed in both non and full defoliation treatments, under optimum moisture condition, the highest value was obtained from partial defoliation at early grain filling stage.

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APA: Copy

Salehi, Farshad, AHMADI, ALI, BASIRI, REZA, & RAFEI, HOSSEIN REZA. (2018). Responses of wheat grain weight and remobilization of solube carbohydrates to reduced source size under limited moisture condition. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(2 ), 11-21. SID. https://sid.ir/paper/153821/en

Vancouver: Copy

Salehi Farshad, AHMADI ALI, BASIRI REZA, RAFEI HOSSEIN REZA. Responses of wheat grain weight and remobilization of solube carbohydrates to reduced source size under limited moisture condition. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;49(2 ):11-21. Available from: https://sid.ir/paper/153821/en

IEEE: Copy

Farshad Salehi, ALI AHMADI, REZA BASIRI, and HOSSEIN REZA RAFEI, “Responses of wheat grain weight and remobilization of solube carbohydrates to reduced source size under limited moisture condition,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 2 , pp. 11–21, 2018, [Online]. Available: https://sid.ir/paper/153821/en

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