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水稻倒伏影响产量、米质和收割,倒伏发生的程度与品种特性密切相关,栽插密度大、氮素水平高、长期灌深水容易引起倒伏,纹枯病和稻飞虱危害稻茎叶鞘,常造成倒伏。选用耐肥抗倒伏品种,优化施肥技术、合理选用栽插方式和综合防治病虫害能有效地预防倒伏,发现水稻有倒伏的征兆,可采用喷施多效唑,割叶等措施进行调控,效果显著。
Rice lodging affects yield, quality and harvesting, and the occurrence of lodging is closely related to variety traits. Planting density is high and nitrogen level is high. Long-term irrigation of deep water can easily lead to lodging, sheath blight and planthopper, Often caused by lodging. The selection of resistant and lodging resistant varieties, optimization of fertilization techniques, rational selection of planting methods and comprehensive prevention and control of pests and diseases can effectively prevent the lodging and found that rice has the symptom of lodging and can be sprayed with paclobutrazol and cut leaves.