Characteristics and methods of use of imidacloprid

1, the characteristics of the role

Imidacloprid is a high-efficiency insecticide of nicotine. It has broad-spectrum, high-efficiency, low toxicity, low residue, pests are not easy to produce resistance, and it is safe for humans, animals, plants and natural enemies. It has contact, stomach poison and systemic absorption. Wait for multiple effects. After the pests are exposed to the agent, the normal conduction of the central nervous system is blocked, causing paralysis to die. The product has good quick-acting effect, and has high control effect 1 day after the medicine, and the residual period is as long as about 25 days. The drug effect and temperature are positively correlated, the temperature is high, and the insecticidal effect is good. Mainly used to control sucking mouthparts pests.

2, prevention and treatment objects

It is mainly used to control sucking mouthparts pests on rice, wheat, cotton and other crops, such as aphids, spider mites, thrips, whitefly, potato beetles and wheat worms.

3, how to use

Imidacloprid is mainly used to control sucking mouthparts pests (can be used with low-temperature rotation of acetamiprid, low temperature with imidacloprid, high temperature with acetamiprid), and control such as aphids, locusts, whiteflies, leafhoppers, and hummers. Certain pests of Coleoptera, Diptera and Lepidoptera, such as rice weevil, rice negative worm, and leaf miner are also effective.

Ineffective for nematodes and spider mites. Can be used in rice, wheat, corn, cotton, potatoes, vegetables, beets, fruit trees and other crops. Due to its excellent systemic properties, it is particularly suitable for application by seed treatment and granulation. Generally, the active ingredient is 3~10 grams, sprayed with water or seeded. The safety interval is 20 days. Pay attention to the protection when applying the medicine, prevent contact with the skin and inhaled powder, liquid medicine, and wash the exposed parts with water in time. Do not mix with alkaline pesticides . It is not advisable to spray under strong sunlight to avoid reducing the efficacy.

Control pests such as Spiraea japonica, apple mites, peach aphid, pear hibiscus, leaf roller moth, whitefly, and leafminer, spray with 10% imidacloprid 4000-6000 times, or spray with 5% imidacloprid EC 2000-3000 times . The continuous use in recent years has caused high resistance and has been banned in countries on rice.

4, seed treatment

The seed treatment method (for example, 600 g / liter / 48% suspension / suspension seed coating agent) can be combined with another sucking mouthparts insecticide (acetamid).

Large grain crops: 1. Peanut: 40 ml of water with 100-150 ml of coated 30-40 kg of seeds (1 mu of seed). 2. Corn: 40 ml of water with 100-150 ml of coated 10-16 kg seeds (2-3 mu of ground seeds). 3. Wheat: 40 ml of water with 300-400 ml of coated 30-40 kg of seeds (1 mu of ground seeds). 4. Soy: 40 ml of water with 20-30 ml of coated 8-12 kg of seeds (1 mu of ground seeds). 5. Cotton: 10 ml water 50 ml coating 3 kg seed (1 mu seed) 6. Other beans: peas, kidney beans, kidney beans, green beans, etc. 40 ml water 20-50 ml coated one mu of seeds . 7. Rice: Soak seeds in 10 ml per mu, seed after whitening, and try to control the amount of water.

Small grain crops: rapeseed, sesame, rapeseed, etc., coated with 2-3 kg of seeds with 40 ml of water 10-20 ml.

Underground results, tuber crops: potatoes, ginger, garlic, yam, etc. generally use 40 ml of water 3-4 kg to coat 1 mu of ground seeds.

Transplanting crops: sweet potatoes, tobacco and celery, onions, cucumbers, tomatoes, peppers and other vegetable crops. Transplanted with nutrient soil: 40 ml, mixed with 30 kg of crushed soil and evenly mixed with nutrient soil; transplanted without nutrient soil: 40 ml of water to pass the root of the crop as the standard. After soaking for 2-4 hours before transplanting, stir the remaining water with the crushed soil to form a thin mud, and then transplant the roots.

5, matters needing attention

Imidacloprid can not be mixed with alkaline pesticides or substances. Do not pollute beekeeping, sericulture sites and related water sources during use. Proper medication, banned medication two weeks before harvest. If you accidentally eat, immediately induce vomiting and promptly send to hospital for treatment. Store away from food to avoid danger.

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