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作物学报

作物学报 ›› 1992, Vol. 18 ›› Issue (02): 81-89.

• 研究论文 •    下一篇

水稻颖花根活量与籽粒灌浆结实的关系

王余龙;蔡建中;何杰升;陈林;徐家宽;卞悦   

  1. 江苏农学院稻麦研究室
  • 收稿日期:1990-10-02 修回日期:1991-02-05 出版日期:1992-03-12 网络出版日期:1992-03-12

The Relationships between Spikelet-Root-Activity and Grain Filling and Ripening in Rice (Oryza sativa)

Wang Yulong;Cai Jianzhong; He Jiesheng; Chen Lin; Xu Jiakuan; Bian Yue   

  1. Rice & Wheat Research Institute; Jiangsu Agric.Coll.; Yangzhou; China 225001
  • Received:1990-10-02 Revised:1991-02-05 Published:1992-03-12 Published online:1992-03-12

PDF

1017

被引次数

285

摘要： 1986—1990年,在群体水培、大田及盆栽条件下,对不同类型水稻品种、不同氮素处理的根量、活力、籽粒灌浆结实、物质积累与分配等进行了研究。结果表明:(1)水稻品种间根量差异较大,主要由上层根量不同所致;(2)结实期平均根系活力随品种伸长节间数的增加呈下降趋势,与根量呈负相关;(3)不同生育期氮素处理对根量的影响以前期最大

关键词: 水稻,根系,氮素处理,颖花根活量,结实

Abstract: During 1986—1990 with the cultural conditions of solution,field and pot,differ-ent types of rice varieties and nitrogen treatments were studied with respect to:theamount and activity of roots,the features of grain filling and ripening,the accumula-tion and distribution of assimilated material.Resul

Key words: Rice, Root system, Nitrogen treatment, Spikelet-root-activity, Ripening,

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