Raining makes mainly flowering rate and fertilizing rate drop in a great extent, shading causes degradation of glume and increase of unfilled grains. 降雨主要造成开花率和受精率的大幅度下降,遮荫则使退化颖花和批粒增加。
Compared with Liuqianxin A, 731A has a shorter period of flowering days, a smaller angle of glume opening and a longer glume opening time. 与六千辛A相比,731A开花持续天数较短,开颖角度较小,柱头外露率低,开闭时间略长。