大豆上部节位叶片生产效率的初步研究

作物学报 ›› 2007, Vol. 33 ›› Issue (05): 853-856.

大豆上部节位叶片生产效率的初步研究

张伟;谢甫绨*;宋显军;张惠君;王海英

沈阳农业大学农学院，辽宁沈阳110161

收稿日期:2006-03-20 修回日期:1900-01-01 出版日期:2007-05-12 网络出版日期:2007-05-12
通讯作者: 谢甫绨

Grain Productivity from Leaves at Upper Nodes of Soybean

ZHANG Wei,XIE Fu-Ti*,SONG Xian-Jun,ZHANG Hui-Jun,WANG Hai-Ying

College of Agronomy, Shenyang Agricultural University, Shenyang 110161, Liaoning, China

Received:2006-03-20 Revised:1900-01-01 Published:2007-05-12 Published online:2007-05-12
Contact: XIE Fu-Ti

摘要/Abstract

摘要：

以5个亚有限型大豆品种和3个有限型大豆品种为试材，研究了主茎上部各节位的叶面积、粒重及粒叶比。结果表明，两种结荚习性大豆品种均存在顶端结荚优势，使倒数第2节位的粒重受到很大影响。亚有限型大豆品种植株上部9个节位的叶面积与粒重极显著相关，而有限型品种因受顶端结荚优势影响较大，植株上部5个节位的叶面积与粒重不相关。不同品种间植株不同节位的叶面积大小不能直接反应其对应节位的粒重大小。换算成各节位单位叶面积的籽粒生产能力时发现，存在较大的品种间差异，高产品种的叶片具有较高的籽粒生产效率。

关键词: 大豆, 粒叶比, 叶片生产效率

Abstract:

Eight soybean cultivars with similar growth duration were chosen for this study, including five semi-determinate cultivars and three determinate ones. Trifoliolate leaf area was measured after the top leaf was fully expanded, seed weight each node was measured after harvest, and the ratio of seed weight/leaf area each node was calculated. Results showed that apical dominance of podding existed in both semi-determinate and determinate cultivars, and assimilates in the top grain were also from leaves of the penultimate node. Through the correlation analysis between leaf area and its corresponding seed weight, it was found that there were highly significant correlations among semi-determinate cultivars, while no significant correlations among determinate cultivars. A significant difference of grain productivity per leaf area at the upper nodes was observed among different soybean cultivars. Results revealed that high-yield cultivars had higher ratio of seed weight/leaf area at each node; therefore, leaf productivity could be evaluated by ratio of seed weight/leaf area at each node of upper nodes in soybean.

Key words: Soybean, Ratio of seed /leaf, Leaf productivity

张伟;谢甫绨;宋显军;张惠君;王海英. 大豆上部节位叶片生产效率的初步研究[J]. 作物学报, 2007, 33(05): 853-856.

ZHANG Wei;XIE Fu-Ti;SONG Xian-Jun;ZHANG Hui-Jun;WANG Hai-Ying. Grain Productivity from Leaves at Upper Nodes of Soybean[J]. Acta Agron Sin, 2007, 33(05): 853-856.

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