比较了两个籼稻品种颖果的发育，籽粒的主要品质性状以及胚乳淀粉体的大小、形状、结构等特性。
A comparison of the caryopsis development, rice quality characteristics and the size, pattern, structure of the endosperm amyloplasts (starch granules) in the two indica rice varieties was made.
DNA复制形成了晶体结构(晶体核)以及辐射状的晶体结构，这是淀粉体dna随着发育时期的增长而不断复制的结果。
Crystal structures were formed by the copies of DNA, and the radio-shape of the crystal structure resulted from the continuous copies of amyloplast DNA in the development stages.
又系统观察了在不同发育时期淀粉体及淀粉体dna的变化，揭示了淀粉体dna与淀粉核心、晶体结构的关系。
The changes of amyloplast and amyloplast DNA in different development stages were also observed, indicating the relationship among the amyloplast core, crystal structure and the amyloplast DNA.
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