Serious pest problems often occur along rivers, lakes, and low-lying areas. The primary damage to seedlings is caused by the larvae, which gnaw at the stem base near the ground, leading to plant death. To effectively manage these pests, several control measures can be implemented.
First, it is important to till the soil in autumn and spring to destroy the overwintering habitats of the pests. This practice helps eliminate a large number of larvae and eggs, thereby reducing the population that survives the winter. Second, removing weeds and cultivating the field regularly can help eradicate the pests' food sources and living environment.
Third, setting up molasses traps or using black light traps can effectively capture adult moths, preventing them from laying eggs. Fourth, applying a mixture of 50% dichlorvos (500 grams per acre) mixed with 2.5 kilograms of water and then combined with 100 kilograms of dry sand can create toxic sand. This should be applied in the evening near 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 around the plants.
These integrated methods help ensure effective pest control while minimizing environmental impact. Regular monitoring and timely intervention are key to protecting crops and maintaining healthy growth.
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