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倒伏是禾谷类作物共有的现象,往往也是造成减产的重大因素之一。由于倒伏发生的时期不同,影响产量的程度也不一致。一般以抽穗以后的倒伏较为常见,其中又以开花期、灌浆初期的倒伏,影响产量最大,常可减产一半以上。开花期倒伏后,茎叶最迭,光照弱,湿度大,下部茎叶
Lodging is a common phenomenon of cereal crops, often one of the major factors contributing to yield reduction. Due to the different periods of lodging, the extent of the impact on production is also inconsistent. Generally lodging after heading is more common, of which the flowering period, the initial lodging of grouting, affecting the output of the largest, often yield more than half. After flowering lodging, stems and leaves most Diego, light weak, humidity, lower stems and leaves