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中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 183-183.

所属专题: 水稻

• 目次 • 上一篇    下一篇

超高产两系杂交稻不同施氮水平剑叶光合特性研究

陈双龙,黄华康,郑 旋,柯玉琴   

  • 出版日期:2005-11-05 发布日期:2005-11-05

Study on Photosynthesis Characteristics in Flag Leaf of High Super Yield Two-line Hybrid Rice at Different Nitrogen Application Rates

Chen Shuanglong, Huang Huakang, Zheng Xuan, Ke Yuqin   

  • Online:2005-11-05 Published:2005-11-05

摘要: 研究了超高产两系杂交稻两优培九、金两优36在不同施氮水平下剑叶的光合特性,结果表明,两优培九、金两优36在每公顷施氮120kg、165kg、210kg 3种水平下,剑叶比叶重、叶绿素含量、光合速率均比对照汕优63高,这可能是两优培九、金两优36高产的生理基础之一。在每公顷施氮120~210kg的范围内,两优培九剑叶光合速率及产量均随施氮水平的增加而提高,金两优36剑叶光合速率及产量在公顷施氮165kg最高,增加到210kg时反而下降。

Abstract: Photosynthesis Characteristics in flag leaf of super high yield two-line hybrid rice “lianyou peijiu” and “jin lianyou 36” were studied at different nitrogen application rates. The results showed that specific leaf weight、chlorophyll content and photosynth