]*>","")" /> Study on the Effect of Density on the Distribution in the Space of the Leaf and Seed of Super High- yield Spring Soybean
Xinjiang Agricultural Sciences

• Article • Previous Articles     Next Articles

Study on the Effect of Density on the Distribution in the Space of the Leaf and Seed of Super High- yield Spring Soybean

  • Received:2005-01-25 Revised:2005-01-25 Online:2005-01-25 Published:2005-01-25

密度对超高产春大豆叶粒空间分布的影响研究

翟云龙;章建新   

  1. 新疆农业大学农学院,新疆,乌鲁木齐,830052





摘要： 荚数、粒数、产量在水平方向上主要集中在主茎上,在垂直方向上主要集中在上层和中层.随着种植密度的增加,水平方向上主茎产量所占比例逐渐增加,分枝产量逐渐减少直至没有,垂直方向上上层产量所占比例呈增加的趋势,下层产量所占比例呈减小的趋势,中层产量所占比例变化幅度不大.粒叶比在垂直方向上表现为上层＞中层＞下层,粒叶比特别是上层粒叶比与单位面积产量呈显著正相关,45.0×104株/hm2处理产量达5547.81 kg/hm2,以主茎结荚为主(主茎占96.07;),产量垂直分布上中层约各占45;左右,下层占10.13;,粒叶比为109.64g/m2.