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作物学报 ›› 1981, Vol. 7 ›› Issue (03): 171-178.

• 研究论文 • 上一篇    下一篇

籼稻大粒型品种花粉发育的生理分析

王熹; 阙瑞芬   

  1. 浙江省农业科学院
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1981-06-12 网络出版日期:1981-06-12

PHYSIOLOGICAL STUDY ON THE POLLEN DEVELOPMENT OF LARGE-GRAIN TYPE OF INDICA RICE

Wang Xi; Que Ruifen   

  1. Rice Research Institute; Zhejiang Academy of Agricultiral Sciences
  • Received:1900-01-01 Revised:1900-01-01 Published:1981-06-12 Published online:1981-06-12

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被引次数

9

摘要： 籼稻大粒型品种虽然千粒重常较一般品种高,但因结实性差,难以在生产上广泛应用。本文试图探明某些大粒型品种结实性差的生理原因。据观察试验中三个大粒型品种结实性差主要在于空谷率高。据分析这三个大粒品种小穗不育的原因,是雄性器官发育过程中活力较弱,氮、碳营养匮乏,尤其是淀粉累积缓慢,不适应花粉粒充实的需求,因而花

Abstract: It was found that the large-grain type varieties of Indica rice hadhigher grain weights and lower fertility,as compared with the commonones.The lower fertility account for the formation of numerous male ste-rile spikelets,and its physiological aspects were discussed.There were two possibilities for

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