Corn borers, commonly known as borers, use winter larvae to overwinter in stalks, cobs, and root ridges of host crops such as corn and sorghum. In winter, appropriate measures can be taken and they can often receive a multiplier effect.
Treating stalks in winter or early spring, treating stalks of host plants such as corn and sorghum as fuels, feeds, etc., can greatly reduce the number of overwintering insects; where conditions permit, the use of mechanical culling to return fields can not only kill a large number of winters Larvae, but also fertilize.
Deep plowing combined with winter plowing in the winter, the roots of host crops such as corn and sorghum were turned up and burned.
The Beauveria bassiana seal the alfalfa 10-15 days before the wintering larvae pupa, and spray the white bassiana powder in the host straw alfalfa, with 100-150 grams of bacteria powder per cubic meter. The effect is good.
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