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Effect of exogenous GA_(3) on “inter-grain apical dominance” and endogenous IAA in grain filling stage of hybrid rice

Wang Xi, Tao Longxing, Yu Meiyu, Huang Xiaolin

China National Rice Research Institute.Hangzhou 310006,Zhejiang

Abstract

The effect of exogenous GA_(3) on endogenous IAA level in both dominant grains and subordinate grains during grain filling stage was studied on hybrid rice plants of combination Xieyou 413 grown in paddy field and pots.

Key words: Hybrid rice;Inter grain apical dominance;Endogenous IAA;Increasing rate of grain weight

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Citing This Article：

Wang Xi, Tao Longxing, Yu Meiyu, Huang Xiaolin. Effect of exogenous GA_(3) on “inter-grain apical dominance” and endogenous IAA in grain filling stage of hybrid rice. Acta Physiol Sin 2000; 52 (3): (in Chinese with English abstract).