小麦倒伏是严重威胁产量的一个重要问题。俗话说:“麦倒一把糠”,倒伏了的小麦籽粒空瘪、产量下降。一般倒伏减产20％左右,严重的达30—40％,倒伏越早,损失越大。因此,预防倒伏,是夺取小麦增产的一项重要措施。小麦倒伏的原因是多方面的,但多数是由于栽培管理不当和品种不抗倒伏而造成的。从 Wheat lodging is a serious problem that threatens yield. As the saying goes: “Mai down a bran”, lodging of wheat grains empty, production decline. The general lodging cut about 20%, a serious up to 30-40%, the lodging the earlier, the greater the loss. Therefore, to prevent lodging is an important measure to seize wheat yield. The causes of wheat lodging are manifold, but most are due to improper cultivation and management and breeds are not resistant to lodging. From