早熟三号大麦空壳形成原因,不外是栽培条件不良和气候因素所引起,致使某些年份或同一年中某些播种期出现空壳较多。关于栽培条件不良,导致空壳的增多,意见比较一致,如倒伏、穗颈弯曲或折断,排水不良引起根或叶片早衰,病虫危害等。但对气候因素影响早熟三号大麦的生长发育使空壳增加,有不同意见,有的认为在散粉盛期日照不足,花药不开 Early brisk three barley shell formation reasons, but poor cultivation conditions and climatic factors, resulting in some years or the same year in some sowing more shell. On the poor cultivation conditions, resulting in an increase of empty shell, the views are more consistent, such as lodging, panicle bending or broken, poor drainage caused by premature leaf or leaf failure, pests and diseases and so on. However, the impact of climatic factors on the growth and development of early-maturing barley No. 3 to increase the empty shell, have different views, and some believe that in loose flour sunshine, anthers do not open