What is acephate?

What is acephate? Please give an introduction to acephate: other names high methamidophos toxicity acephate is a low toxic pesticide. The oral LD50 of rats, rabbits and beagles were 945mg / kg, 2000 mg / kg, 1000 mg / kg / day, 852mg / kg, 9550 mg / kg, 485mg / kg and 104mg / kg, respectively. The LD50 of chicks, crucian carp, silver carp and red carp were 1000 mg / kg, 852 mg / kg, 9550 mg / kg, 48h and 104mg / kg respectively. Dosage form 1% Shennong cockroach bait, 30%, 40% acephate EC, 25% acephate wettable powder, 75% acephate soluble powder. Acephate is an internal inhalation insecticide with stomach poison and contact effect, and can kill eggs and fumigation to a certain extent. It is a slow-acting insecticide. Its basic insecticidal principle is to inhibit insect acetylcholinesterase. It is suitable for vegetables, tobacco, fruit trees, cotton, citrus, rice and wheat to control a variety of chewing and piercing mouthparts pests and harmful mites. If mixed with carbaryl, dimethoate and other pesticides, it has a synergistic effect and can last for a long time. The scope of application is suitable for vegetables, tea trees, tobacco, fruit trees, cotton, rice, wheat, rape and other crops, to control a variety of chewing, piercing mouthparts pests and harmful mites and health pests. Use method 1. The control of vegetable pests is carried out in the 2-3 instar period of the larvae, and the diamondback moth is controlled in the peak period of the 1-2 instar larvae, with 30% EC 80muri 120ml per mu and 40Mel 50kg of water sprayed. Aphids use 30% EC 50 muri 70 ml per mu, and evenly spray 75 kg of water. Pest control of rice leaf borer, Chilo suppressalis medinalis, using 30% EC 125 muri 225 ml per mu, spraying 75 kg of water 60 muri. Rice planthopper uses 30% EC 80-150 ml per mu and sprays 75 kg of water. 3. Cotton pest control cotton aphid uses 30% EC 100MUE 150ml per mu and sprays 75kg of water 50MUE. Helicoverpa armigera mainly controls the second and third generations of larvae in cotton fields. The suitable period for control of Helicoverpa armigera is the peak period of moth and spawning of each generation of Helicoverpa armigera. Its dosage is 30% EC 150m / mu 200ml, constant spray of 75MU / mu and 100kg of water. 4. Control of fruit tree pests peach heart borer and pear heart borer control during the peak period of adult spawning, 30% EC is used to spray water 500-750 times evenly. The control effect of citrus shell insects was the best in the 1st instar nymph stage, which was evenly sprayed with 300-600 times of 30% EC. 5. The prevention and control of corn and wheat armyworm can be sprayed with 120-240 ml of 30% EC per mu before the 3rd instar larvae. 6. Tobacco pest control and control of tobacco green insects, in the stage of 3rd instar larvae, use 30% EC 100MUE 200ml per mu and spray 50Mel 100kg of water. Note 1. The safety interval of this product is 7 days in vegetables, 9 days in autumn and winter, and up to 2 times per season; the safety interval of rice, cotton, fruit trees, citrus, tobacco, corn and wheat is 14 days, and the maximum use is 1 time per season. two。 Spray the surface evenly when in use to improve the efficacy. 3. When dealing with this product, wear labor protection supplies, spray should be in the upper hand, wear a good mask, do not inhale fog drops. Rinse with soap and water after taking the medicine. 4. This product is not suitable for use on mulberry and tea trees. 5. This product should not be mixed with alkaline agents to avoid decomposition failure. 6. This product is flammable, fire is strictly prohibited. Pay attention to fire prevention during transportation and storage, away from the source of fire. Poisoning first aid: poisoning symptoms: mild poisoning: headache, dizziness, nausea, vomiting, sweating, weakness, chest tightness, blurred vision, poor appetite and so on. Whole blood cholinesterase generally drops below 70% of the normal value. Moderate poisoning: in addition to the above symptoms, there are also mild dyspnea, muscle tremor, pupil narrowing, trance, unstable walking, sweating, salivation, abdominal pain, diarrhea and so on. In severe cases, there will be coma, convulsions, dyspnea, foaming at the mouth, incontinence, convulsions, respiratory paralysis. Acute poisoning often occurs within 12 hours, and those who take it by mistake can get sick immediately. First aid measures: inadvertently inhaled, the patient should be moved to the air circulation area. Accidentally touch the skin or splash into the eyes and rinse with plenty of water for at least 15 minutes. If you take it by mistake, you should immediately take this label to the hospital for treatment. [1] atropine 1~5mg was injected subcutaneously or intravenously (according to the severity of poisoning), [2] 0.4-1.2g of parathion was injected intravenously (according to the severity of poisoning), and [3] morphine, theophylline, phenothiazine and reserpine were prohibited. [4] vomiting, gastric lavage and catharsis (vomiting only when sober) are immediately taken by mistake. Storage and transportation: this product should be stored in a dry, cool, ventilated, rain-proof place, away from fire or heat sources. Keep it out of reach of children and lock it. Do not store and transport with food, seeds, beverages, feeds and flammable and explosive materials. Used containers should be disposed of properly and should not be used for other purposes or discarded at will. Click to get more pesticide application techniques