Effects of Shading at Different Growth Stages on Amylose and Protein Contents in Rice Grain

Abstract

Abstract: Effects of 50% shading at early and late stages (from transplanting to initial period of young spike, from heading date to maturity date) on amylose and protein contents in rice grain was investigated. The results were as follows: Amylose accumulation law in rice grain under shading treatment was similar to that of control, and the law could be simulated by square curve equation. Shading at the early stage was favorable to amylose accumulation and enhanced amylose content in grain, which was contrary to the influence of shading at the late stage. Shading at the early stage disadvantaged the accumulation of protein and decreased protein content in grain, while shading at the late stage had contrary effect.

CLC Number:

S511

LiuQihua, LiTian, CaiJian, ZhangJianjun. Effects of Shading at Different Growth Stages on Amylose and Protein Contents in Rice Grain[J]. Chinese Agricultural Science Bulletin, 2006, 22(8): 234-234.

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