过去,一直认为小麦“空壳”是冻害的一种表现,着重于抓适期播种,使抽穗开花避过霜冻期。这种办法对某些品种有效,对另一些品种,即使是适期播种,安全出穗,但后期还是常常出现大量的“空壳”。昌宁县农技站多年调查试验,发现这种“空壳症”与小麦品 In the past, wheat “shell” was always considered as a manifestation of frost damage, focusing on grasping suitable seeding so that the flowering heading away from the frost period. This method is effective for some varieties, while for others, a large number of “hollow shells” often appear later in the year even if sowing is carried out on a timely basis and safe. Changning County Agricultural Technology Station for many years to investigate and found that this “empty shell disease” and wheat products