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 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。
From heading stage to filling stage, nitrogen concentrations in the roots and the leaves decreased, then increased at milk stage and decreased once again at ripening stage.
茎中氮含量从抽穗期到成熟期一直下降，可能是水稻在抽穗后氮素从营养器官向生殖器官转运。
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