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《Journal of Northeast Agricultural University》 2004-04
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Canopy change and relationship between canopy structure and characteristics of radiation during reproductive stage in soybean cultivars

JIN Jian1,LIU Xiao-bing1,WANG Guang-hua1,LI Yan-hua2( 1. Northeast Institute of Geography and Ecological Agriculture, CAS, Harbin Heilongjiang 150040,PRC; 2. Hai Lun Experimental Station of Ecological Agriculture, CAS, Hai Lun HeiLongjiang 152300,PRC )  
Through analyzing the traits of canopy structure and radiation during reproductive stage in soybean cultivars or lines, the results showed that there were different dynamic of population in three different yielding soybean cutivars. LAI and LAD of high yielding colony of Beifeng 11 were large, foliar distribution trended to unifrom and mean foliage inclination angle was small, which made radiation penetration low, the ratio of light interception high and benefited for dry matter accumulation and rising radiation use efficiency.
【Fund】: 中国科学院知识创新工程重要方向项目(KZCX2-SW-416-3;KZCX3-SW-NA-04);; 黑龙江杰出青年科学基金项目(JT01-02)
【CateGory Index】: S565.1
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