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杂交水稻开花受精后 ,籽粒内的直链淀粉含量随着灌浆的进行而逐渐增大 ,至花后 2 3～ 2 8天左右趋于稳定 ;籽粒间直链淀粉含量的分离在开花后 9天表现出较大的差异 ,而后随着时间的推移而减小 ,至花后 2 1天粒间直链淀粉含量的差异趋于稳定。
After flowering and fertilization, the content of amylose in hybrid rice increased gradually with the grain filling, and stabilized till about 2-3 days after anthesis. The amylose content in grains was 9 days after anthesis Showed a larger difference, and then decreased with the passage of time, to 21 days after anthesis amylose content differences between the grain tend to be stable.