Since the end of August, a large migration peak has appeared in the brown planthoppers in the areas along the Yangtze River, South Jiangsu, hills and Huaibei. Overlaid with local insect sources, the amount of eggs in the field increased significantly, and the amount of eggs in some fields was significantly higher than that in the previous year and in the same year. However, it is similar to the same period in 2005 when it happened. After September 18, the eggs in the field will enter the peak of egg hatching. It is a critical period for prevention and control. The provincial plant protection station issues information, requiring all localities to strengthen monitoring, and do a good job of prevention and control of brown planthoppers to ensure control of hazards.
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