[1]王昭,鞠章纲,卢家栋.玉米群体粒叶比与光合特性及产量的关系[J].南京农业大学学报,1998,21(1):14-18.[doi:10.7685/j.issn.1000-2030.1998.01.003]
 Wang Zhao,Ju Zhanggang,Lu Jiadong.Grain leaf ratio in relation to photosynthesis and grain yield in maize[J].Journal of Nanjing Agricultural University,1998,21(1):14-18.[doi:10.7685/j.issn.1000-2030.1998.01.003]
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玉米群体粒叶比与光合特性及产量的关系()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
21卷
期数:
1998年1期
页码:
14-18
栏目:
出版日期:
1998-02-28

文章信息/Info

Title:
Grain leaf ratio in relation to photosynthesis and grain yield in maize
作者:
王昭鞠章纲卢家栋
江苏省农林厅,泰兴市农业科学研究所
Author(s):
Wang Zhao Ju Zhanggang Lu Jiadong
Department of Agriculture, Forestry of Jiangsu Province, Nanjing 210013; Institute of Agriculture of Taixin County
关键词:
玉米 粒叶比 光合特性 产量
Keywords:
maize grain leaf ratio photosynthesis yield
分类号:
S513.01
DOI:
10.7685/j.issn.1000-2030.1998.01.003
文献标志码:
A
摘要:
以4个玉米单交种为材料,在适宜密度条件下,于抽丝期剪叶或剪穗改变粒叶比,探讨不同品种群体粒叶比与产量、分配指数、光合速率及茎秆内可溶性糖含量的关系。结果表明:在适宜的叶面积指数(LAI)条件下,同一品种群体粒叶比高,则分配指数和叶片光合速率高,茎秆中可溶性糖积累少。因此,高粒叶比具有强源畅流的作用。在适宜的LAI范围内,扩大群体总库容、提高粒叶比有利于获得高产。
Abstract:
Foliage and ears of four maize cultivars were cut off at silking stage under field condition to investigate the effects of different grain leaf ratios on the photosynthesis and grain yield. The results showed that high grain leaf ratio enhanced photosynthesis, solube sugar in stalk and translocation to the grain. On the basis of optimum LAI, the high grain leaf ratio was an index to evaluate the source and sink relationship for high grain yield.

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备注/Memo

备注/Memo:
江苏省农业基金
更新日期/Last Update: 1998-02-28