What kind of pesticides do underground insects use?

Pests are very annoying to farmers, especially some underground insects, which will affect the root growth of plants, so what pesticides are used by underground insects?

What kind of pesticides are used by underground pests?

1. Imidacloprid: control mole cricket, you can use 10% imidacloprid 1500 times liquid mixed with fried wheat bran to trap and kill; when a large number of adult beetles occur, imidacloprid (one or two grams of pure medicine per 667m2) can be used to spray water.

two。 Tiannuojing: it is an insecticidal and nematicidal agent, which has a good effect on a variety of crops, such as root-knot nematodes, root maggots, grubs, small land tigers, mole crickets, golden needle worms and other underground pests. It has stomach poison, contact killing and fumigation.

3. Hudijing: it can control underground pests of vegetables, melons and fruits, cotton and hemp, sugarcane, soybeans, flowers and other crops. For crop safety, the effective period is as long as 1 month. Every 667 square meters, three or four kilograms were applied in the seedbed stage or in the ditch, and in the adult stage.

4. Maggot spirit: 48% dimaggot EC can control underground pests of many crops, such as leek, tomato, cucumber, soybean, cotton and corn.

Second, how to prevent and cure

1. Agricultural measures. Do not apply immature organic fertilizer to prevent adults from being attracted to lay eggs. Deep ploughing after harvest or before sowing of summer and autumn crops, underground pests are often turned over to the surface and die under the influence of natural enemies and natural environment. Insects and eggs on the surface or weeds can also be buried and suffocated in the plough layer to reduce the harm. Generally, in continuous cropping or weed-covered plots such as watermelons, sugar beets, potatoes and other plots, the occurrence is rampant, and the harm is more serious than in corn fields, beans and other places, and the number of insects is 50% and 70% higher. Therefore, the production should be timely deep ploughing, weeding, intercropping and interplanting, rotation and stubble, diligent ploughing.

two。 Combined with irrigation prevention and control. If the land with irrigation conditions is irrigated in time after the occurrence of the land tiger, the unexpected effect can be obtained.

3. Black light trap. The adults of beetles, ground tigers and grubs have a strong tendency to black light. According to the actual situation of farmers, under possible conditions, the effect is obvious when the adults are trapped and killed by some black lights.

4. Biological control. Can be used or Jiujing, the use of diluted root irrigation, the killing rate is very high.