LAI increased along with the density increase. The increasing rate of LAI was bigest at jointing stage and droped at tasseling stage.
中间型品种辽单527和稀植品种丹玉39都是在抽雄以后就迅速下降,单株叶面积较大值维持时间较短;LAI随着密度的增加而增大,以拨节期-抽丝期增长速率最快,抽雄期以后开始下降。
参考来源 - 不同耐密性玉米的密植效应及耐密性遗传规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
拔节抽雄期夏玉米耗水量与玉米叶面积系数呈正相关；
Summer maize water consumption varied exponentially with maize leaf area index at the filling stage.
玉米抽雄期和开花期的不育系与保持系、恢复系叶片中的酶谱差异明显。
As the maize development in tasseling and flowering, the peroxidase zymogram in the male sterility line significantly differed from that in the maintainer and restorer line.
拔节—抽雄期是低温冷害影响冬玉米产量的关键期，另一个次关键期为抽雄—开花时段。
Jointingheading was the most critical stage in which cold damage affected the yield of winter sowing maize.
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