Serious pest problems often occur near rivers, lakes, and low-lying areas. The primary damage to seedlings is caused by the larvae, which chew through the stem at the base, leading to plant death. To manage this issue effectively, several control measures can be taken. First, plowing in autumn and fall helps destroy the overwintering sites, killing many larvae and eggs and reducing the population for the next season. Second, it's important to remove weeds from the field, as they serve as breeding grounds for pests. Third, using molasses traps or black light traps can help capture adult moths before they lay eggs. Fourth, a mixture of 50% dichlorvos (500 grams per acre) can be combined with 2.5 kilograms of water and sprinkled on 100 kilograms of dry sand. This toxic sand should be applied in the evening around the seedlings. Alternatively, 2.5% dipterex powder (1.5 to 2 kilograms per mu) can be mixed with 10 kilograms of fine soil and applied directly to the affected areas. These methods work together to reduce pest populations and protect young plants from damage. Regular monitoring and timely intervention are key to successful pest management.
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