玉米雌雄穗开花间隔影响穗粒数的潜在原因研究

被引:11
作者
张凤路
陈景堂
G.O.Edmeades
机构
[1] 河北农业大学农学院
[2] 国际玉米小麦改良中心 保定
[3] 保定
[4] 墨西哥
关键词
玉米; 雌雄穗开花间隔(ASI); 穗粒数;
D O I
10.13597/j.cnki.maize.science.2002.02.019
中图分类号
S513.01 [];
学科分类号
0901 ;
摘要
玉米的雌穗与雄穗开花的时间常不一致 ,导致了雌雄穗开花间隔 (ASI)的产生。ASI的延长会导致玉米穗粒数的减少进而影响到产量。对同一品种而言 ,逆境会导致ASI的延长 ,但不同品种的反应并不一致。从植株内部的竞争、植株间的竞争、粒数与ASI的关系、花粉供应及雌花的适应度方面探讨了ASI影响穗粒数的潜在原因
引用
收藏
页码:53 / 55
页数:3
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