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笔者从广西壮族自治区植保总站获悉,当前全区甘蔗生长已进入伸长期,发生的主要病虫有甘蔗螟虫、甘蔗蓟马、蔗龟等,高温高湿天气有利于病虫害发生流行,该站要求各植保部门要切实做好病虫监测预报和防控指导工作。一、甘蔗病虫发生动态及预报甘蔗螟虫:第一代甘蔗螟虫经过防治后,田间仍有一定残虫量。龙州、兴宾、博白等地新植蔗平均枯心率1.05%~1.71%,田间残虫量平均10.4头/亩~42头/亩,宁明、龙州、博白等地宿根蔗平均枯心率4.6%~15.02%,
The author learned from the Guangxi Zhuang Autonomous Region Plant Protection Station, the current growth of sugar cane in the region has entered the elongation period, the main pests have cane stem borer, sugarcane thrips, cane turtles, high temperature and humidity weather is conducive to the occurrence of pests and diseases, the station requires Plant protection departments should conscientiously do pest and disease monitoring and forecasting and prevention and control guidance. First, the dynamics of sugarcane pests and forecast Sugarcane stem borer: After the first generation of sugarcane borers prevention and control, the field is still some amount of residual worms. The average dry heart rate of new sugarcane in Longzhou, Xingbin, Bobai and other places was 1.05% -1.71%, the average number of field-borne insects was 10.4 / mu ~ 42 / mu, and the average number of root cane in Ningming, Longzhou and Bobai Heart rate was 4.6% ~ 15.02%