选用不同类型两系杂交稻组合，研究了结实期茎鞘物质运转与籽粒灌浆结实的关系。
The translocation characters of reserves in stem and sheath and its relation to the grain filling were studied during ripening stage with different types of two-line hybrid rice.
选用不同类型的两系杂交稻品种，研究了结实期茎鞘物质运转与籽粒灌浆结实的关系。
The translocation characters of reserves in stem and sheath and its relation to the grain filling were studied during ripening stage with different types two-line hybrid rice.
群体光合作用和衰老特性的差别主要在组合间，而不在两系和三系两种类型之间，两系杂交稻未有明显的优势。
Significant differences were observed within the same kind of hybrid rice but not between the two kinds of hybrids, so did for the canopy photosynthetic rate of these hybrids.
利用这项技术可望解决三系、两系或化学杀雄杂交稻制种过程中出现的纯度问题，且有利于新杂交稻组合的选育。
Using this technology, the purity problem during seed production in three-line, two-line or chemical-emasculated hybrid rice breeding system could be solved and some new combinations could be bred.
研究得到的两系法杂交稻制种技术的气象学方法可供其他熟制地区应用。
The agrometeorological technique for making hybrid rice seeds is applicable to zones of other rice cropping systems.
研究得到的两系法杂交稻制种技术的气象学方法可供其他熟制地区应用。
The agrometeorological technique for making hybrid rice seeds is applicable to zones of other rice cropping systems.
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