While at grain filling stage, inorganic phosphorus content was obviously higher than that in the varieties with good grain plumpness.
灌浆期，籽粒充实度差的品种无机磷含量明显高于籽粒充实度好的品种。
It was suggested that low sink activities in grain filling period, especially at early stage, account for an important reason for poor grain plumpness in IHR.
说明灌浆期特别是灌浆初期籽粒库的生理活性低是亚种间杂交稻籽粒充实不良的重要原因。
The goodness of fit test of genetic model was significant, indicated that besides additive-dominance, other factors, such as epistasis, might affect grain plumpness.
一些组合的遗传模型的离回归测验显著，表明除了基因的加性-显性作用外，还有一些因子对充实度有影响。
Using 8 rice varieties (including hybrid combinations) as materials, polyamines in developing grains and their relations with grain plumpness and grain weight were studied.
以8个水稻品种(含杂交稻组合)为材料，研究了籽粒发育期内源多胺的含量及其与籽粒充实和粒重的关系。
With typical intersubspecific hybrid rice combinations (IHRC) as materials, some physiological mechanisms of poor grain plumpness in intersubspecific hybrid rice (IHR) were studied.
以典型的籼、粳亚种间杂交稻组合为材料，研究了亚种间杂交稻籽粒充实不良的一些生理生化机理。
From booting stage to flowering stage, the contents of phytate and inositol in the varieties with good grain plumpness were obviously higher than those in the varieties with poor grain plumpness.
灌浆期，籽粒充实度差的品种无机磷含量明显高于籽粒充实度好的品种。
The result showed(1) the correlation and partial correlation relationships of grain color, plumpness to yield and quality characters were not significant.
结果表明，（1）籽粒颜色和饱满度与产量及品质性状的相关和偏相关均不显著；
The result showed(1) the correlation and partial correlation relationships of grain color, plumpness to yield and quality characters were not significant.
结果表明，（1）籽粒颜色和饱满度与产量及品质性状的相关和偏相关均不显著；
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