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作物学报 ›› 1981, Vol. 7 ›› Issue (01): 11-18.

• 研究论文 • 上一篇    下一篇

杂交水稻高产群体的干物质生产与分配的研究

颜振德   

  1. 徐州地区农科所
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1981-03-12 网络出版日期:1981-03-12

STUDIES ON THE PRODUCTION AND DISTRIBUTION OF DRY MATTER IN HICH-YIELDING POPULATIONS OF HYBRID RICE

Yen Zhende   

  1. Xuzhou District Institute of Agricultural Science
  • Received:1900-01-01 Revised:1900-01-01 Published:1981-03-12 Published online:1981-03-12

摘要: 1977~1979年,作者在杂交稻高产栽培过程中,研究了高产群体的干物质生产与分配。高产田谷粒产量与干物质产量密切相关。水稻生长前期总光合势的迅速增加,导致干物质生产与积累表现优势,净同化率的优势前期明显,后期消失。适期早栽、冠层结构良好,干物质产量较高。改善栽培条件,有利提高经济系数。增加单蘖的干物质和单位叶面

Abstract: Studies on the production and distribution of dry matter were made during the period from1977 to 1979 in high-yielding populations of single cropped mid-seasoned hybrid rice cultivars.Highyield of 725.4,716.25 and 709.5 kg/mu was obtained respectively by three cultivars,namely,Nan-yuNo.3,Gan-hua No.

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