小麦叶枯性病害对小麦库(籽粒)—源(茎叶)关系的影响

The Effect of Wheat Leaf Blight on The Relation Between Sink(Seed) and SThe Effect of Wheat Leaf Blight on The Relation Between Sink(Seed) and Source(Stem and Leaf)

利用剪叶处理的方法探讨了病害对小麦产量因素的影响,结果表明,病害的发生主要影响小麦有效小穗数的形成及上部二个叶片对产量的贡献,从而造成直接经济损失。

By means of cutting leaf and dealing with them, we studied the affection of wheat leaf blight on yield loses. Result showed:the main factor of yield loses was decreasing the number of fertile spikelets, meanwhile the disease affected the contribution of up two leaves, so these could also deduce the yield loses.