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山东省植物保护总站近日称,当前,一代玉米螟、二代棉铃虫较去年同期偏轻发生,玉米蓟马危害较重,二点委夜蛾有加重危害的趋势,各级植保部门要加大调查力度,密切监测玉米蓟马、二点委夜蛾等玉米苗期病虫害发生动态,及时、准确的发布预报,科学指导防控。玉米蓟马全省普遍发生,鲁中、鲁西南地区发生较重。其中,济南章丘,一般麦套玉米卷叶株率30%~40%,最高50%。泰安,平均被害株率28.3%,新
Shandong Plant Protection Station recently said that at present, a generation of corn borer, second generation cotton bollworm occurred more light than the same period last year, corn thrips heavier harm, two-point litura aggravate the trend of endangering, plant protection departments at all levels to increase Investigation efforts, close monitoring of maize thrips, two members of the night-stage moth and other maize pests and diseases of the dynamic, timely and accurate release forecast, scientific guidance and prevention and control. Corn thrips occurred in the province generally, heaviest occurrence occurred in Luzhong and Southwestern Shandong. Among them, Zhangqiu Jinan, the general wheat corn cob leaf rate of 30% to 40%, up to 50%. Tai’an, the average victimization rate of 28.3%, new