1. When mangoes are cleared in winter, carefully check the gaps between the bark and the wintering insects in the soil, and bring out the concentrated destruction outside the field, which can effectively reduce the number of the nightworms in the field. And the whole garden sprayed the general manager of the tree to prevent the overwintering virus from landing on the tree to protect the mango tree and hibernate.
2. Pay attention to the protection of the natural enemies of Spodoptera litura during field cultivation, and effectively control the number of Spodoptera frugiperda by controlling insects with insects. It is also possible to raise chickens in the garden and reduce the number of pests in the field to reduce the damage to mangoes.
3. When the number of Spodoptera exigua is large, it can be killed by using targeted insecticides. In the shoots or inflorescences of mangoes, 1-3 cm can be sprayed with insecticides, and according to the number of Spodoptera exigua Even spray 2-3 times, and mix with the new high-fat film to shield the insects from smell, reduce their resistance and dosage, and enhance the killing effect.
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