1, ploughing: Before planting crops, the land is ploughed in advance, and the adults and larvae of the soil silkworm are turned to the surface of the land, and then the soil silkworm will be sun-dried or eaten by birds.
2. Use fully decomposed farm manure: Soil silkworms have a certain tendency to fertilize. When fertilizing, use fully decomposed farm manure to avoid breeding soil silkworms, and the heat released by the decomposed farm manure can also kill soil silkworms in some fields.
3. Treating the soil with drugs: 4 ~ 6kg of 3% phoxim granules or 5% toxine granules1.5kg and 35kg of fine sand can be evenly mixed, directly sprinkled on the surface of the soil, and then ploughed, and then soil preparation, sowing, transplanting and planting can effectively kill the soil silkworms in the field.
4. Seed dressing of crops: For some land where soil silkworms are relatively serious, seed dressing of crops can be carried out before sowing. Choose 40% zinc sulfate, zinc sulfate, water and plant seeds, fully mix them according to the ratio of1:20:1000, soak them for 1~2 hours, and then start sowing after drying.
5. Black light trapping and killing: Using the phototaxis of soil silkworm, black light is used to trap and kill the adult of soil silkworm.
Silkworm:
The soil silkworm, the grub of plum tree, is an insect name, belonging to COLEOPTERA and Scarabaeida. It is widely distributed all over the country. Grubs on plum trees often hide in the soil, mainly eating the roots and stems of plants. The initial symptoms are that the leaves turn green and the plants grow poorly. In the later stage, the leaves lost their luster, the color gradually changed to red and purple, and the tip of the leaves became dry. In severe cases, all of them were eaten up, and the underground stems were bitten into notched holes, which eventually led to the withering of plant leaves; The damaged plants in the fruiting stage will seriously cause the fruit to shrink and affect the commodity value of the fruit. Finally, the whole plant will dry up and die.