Underground pest special medicine for preventing early spring crops
The types of pests can be divided into underground pests and underground pests, pesticides for controlling pests on the ground and their common pests. The special effects of pesticides for controlling underground pests are limited. Xiaobian summarizes several high-efficiency common pests for underground pests. Let's take a look at it.
Imidazoline
The drug has stomach poisoning and contact killing effect, and has a good drug killing effect on underground pests.
Control object
For the control of cockroaches, 10% imidacloprid 1500 times solution can be used to mix and sauté the wheat bran to carry out the trapping; when the adult larvae occur in large quantities, the water can be sprayed with imidacloprid (one or two grams per 667 square meters of pure drug).
Precautions
However, imidacloprid should be mixed with or compounded with drugs such as phoxim and chlorpyrifos to control underground pests, so as to exert their own advantages in poisoning underground pests.
Second, the protection of the net
3% Hudijing granules, which are chlorpyrifos and triazophos compounding agents, are the first choice for high-toxic pesticides such as carbofuran and phorate in the production of pollution-free agricultural products.
Control object
It can control underground pests of crops such as vegetables, melons, cotton, sugar cane, soybeans and flowers. For crop safety, the period of validity is up to 1 month. Three or four kilograms of medicine per 667 square meters are applied or applied in the seedbed period, and applied in the adult stage.
Precautions
The net protector is toxic to fish and aquatic animals and should be prevented from flowing into river ponds.
Third, the Tiannuo line net
Control object
Tiannuo line is a pesticidal and nematicidal agent, which has a good effect on the killing of underground pests such as root-knot nematodes, root mites, mites, small tigers, cockroaches and golden worms. It has stomach poisoning, contact killing and fumigation.
Instructions:
Soil treatment is used when crops are planted, and can be applied by ditch application, hole application or spreading, and then covered with soil. In the Daejeon period, the ditch can be applied on the side of the row and then covered with soil. The dosage for each 667 square meters is 3 kg to 5 kg.
Fourth, nano special kill
Control objects:
The drug uses the most advanced nano-micro molecular technology, which can make the number of effective granules per cubic meter of soil reach 100,000, which is more than 40 times that of traditional insecticides , forming a high-density three-dimensional insecticidal net; The permeability is better. The nano-particles in nano-killing are only one ten-thousandth of the tip of the needle, far less than the soil gap and the pores of the body surface of the pest, almost impenetrable, omnipresent, and the pests have nowhere to hide. It has strong contact, stomach poisoning and osmotic effect on underground pests. Once used, it can completely kill underground pests and eggs.
Five, the earthly spirit
Control object
48% of the earthworm emulsifiable concentrate can control underground pests of various crops such as amaranth, tomato, cucumber, soybean, cotton and corn.
Instructions:
The first method of use is watering with water, 500 grams per 667 square meters, 75 kilograms to 100 kilograms of water; the second is spraying along the ridge, 300 grams per 667 square meters, and the water volume is 300 kilograms. It has good control effect on roots, tigers, crickets, crickets and golden worms of various vegetables; digoxigen can be used for seed dressing of peanuts, cotton, soybeans, corn, wheat and vegetables, garlic crops, and the dosage per kilogram of seeds 3 G ~ 5 grams.
More underground pest specific medicine knowledge, please pay attention to China's pesticide network
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