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中熟粳稻品种灌浆特性演进规律的研究

张峰,王朋,王俊仁,张志高,孙杰

Bulletin of Agricultural Science and Technology（2019）

Cited 0|Views9
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Abstract
以江苏省各时期代表性中熟粳稻品种为材料,研究了品种改良过程中籽粒灌浆特性的变化.结果表明:早期品种、现代常规稻为强、弱势粒同步灌浆,杂交稻组合强、弱势粒异步灌浆明显.提出增加弱势粒的灌浆速率,延长其灌浆期是提高杂交水稻籽粒充实和增加粒重的重要途径.
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