How to control the land tiger with the latest potato?
Potato tubers grow in the ground, because of rich nutrition, is the favorite food of many pests, often be bitten by pests to break potato buds or eat potato meat and infected with bacteria, resulting in uneven seedling emergence, yield and quality seriously reduced. And the land tiger is one of the most serious insect pests, so how to control the harm of potato tigers? Let's take a look.
1. Agricultural prevention and control
In autumn, the overwintering environment of ground tigers is destroyed by deep raking, and the overwintering larvae, pupae and adults are reduced by low temperature, so as to reduce the base number of overwintering pests and reduce the harm in the coming year. Clean up the field during the breeding period, clean up the weeds and debris in the field and the edge of the ditch and take them out of the field to reduce the number of larvae and eggs. Molasses trapping and black light can also be used to trap and kill its adults by using the phototaxis and molasses of ground tigers, which can reduce the oviposition of adults, reduce the number of larvae and reduce the harm of ground tigers.
2. Chemical control
In the use of chemical control, pesticides with high efficiency and low toxicity can be selected as far as possible. poisonous soil and granules can be evenly spread between the sowing ditches, and attention should be paid to the concentration of pesticides. The sowing ditch can be sprayed with chlorpyrifos or occult scales with water, and the soil can be reformed after sowing, so that underground pests can be well controlled. Can also be used in the seedling stage with 40% octane scale EC 1500-2000 times the solution of root irrigation, generally 50-100ml per plant, can excellent kill larvae and eggs.
3. Poison bait trap
If it is a small area of harm, you can use bait to stir-fry incense, such as wheat bran, bean cake, and then mix well with trichlorfon, pay attention to the concentration, and then water the right amount, keep the bait slightly wet, generally sprinkling 1.5-2.5 kg per mu. In this way, the tiger will die after eating the poison bait, which is more effective than spraying chemicals.
The above is how to control the potato tiger introduction, hope to help you, want to know more related knowledge, please pay attention to us.
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