What kind of pesticides do local silkworms use?

The soil silkworm is a common pest, which harms many kinds of crops and generally grows in the soil, so what pesticides are used to control the soil silkworm?

1. Basic introduction of Bombyx mori

The Chinese name of the soil silkworm is the white soil silkworm, also known as the old mother worm, walnut worm, etc., is the larva of the beetle shell, according to the feeding habits, the soil silkworm can be divided into three types: herbivorous, fecal and saprophytive. herbivorous soil silkworms harm a variety of crops, cash crops and flower seedlings, and like to eat seeds, roots, tubers and seedlings that have just been sown, so it is extremely important to control soil silkworms in the process of plant growth.

The damage of soil silkworm to orchard nursery, seedlings and other crops is the most serious in spring and autumn. The soil moist activity is strengthened, especially in the continuous rainy weather, it is active in the topsoil layer in spring and autumn, and reaches the topsoil layer in the early morning and night in summer.

What kind of pesticides are used by soil silkworms?

The soil can be treated with 50% phoxim EC, or seeds can be treated with 50% phoxim, 50% parathion or 20% isomaliphate, all of which have a certain control effect on soil silkworms.

Where:

The dosage of 50% phoxim EC is 200kg 250g per mu, which can be sprayed 10 times with water on 250kg fine soil to make poisonous soil, apply along the ridge, then hoe shallowly, or remove the poisonous soil in the planting ditch or ground, and then plough or mix it into barnyard manure.

The proportion of 50% parathion or 20% isomalidophos in the proportion of medicament, water and seeds is 1, 30, 40, 400 and 500.

In addition, physical methods can also be used to kill insects, and black light can be set up to trap and kill adults to reduce the number of soil silkworms.

If you need to collect soil silkworms for medicinal purposes, you can turn the soil and catch it in the 1-2-inch soil near the tree root and grass root from May to August, then burn it to death with boiling water and dry it.