The pure product is a colorless to amber liquid with a slight aroma. The preparation is a light yellow to yellowish brown oily liquid, which slowly decomposes in an aqueous solution, accelerates upon alkali decomposition, is stable to heat, and is corrosive to iron. Poisoning to humans and animals, high toxicity to fish, highly toxic to bees.
Dichlorvos is a broad-spectrum insecticide and acaricide. It has contact, stomach and fumigation effects. The contact killing effect is better than the trichlorfon, and the knocking down force is strong and fast.
Medium poisonous insecticide. The original drug is flammable and the emulsifiable oil is flammable. The original drug male rats oral LD50: 80mg / kg; female rats oral LD50: 56mg / kg; male rats percutaneous LD50: 107mg / kg; female rats percutaneous LD50: 75mg / kg. Male rats had an inactive dose of 1000 ppm. Green carp TLm (24 hours) 1 mg / L, big mullet fish 2 hours LC50: 1ppm. 80% of dichlorvos can be taken orally, absorbed by the skin or inhaled by the respiratory tract. Oral poisoning patients have a short incubation period, rapid onset, serious illness, and often have a coma, which can die within tens of minutes. Oral gastrointestinal irritation is obvious
1. Vegetable pests are sprayed with 80% emulsifiable concentrate of 1000% to 1500 times to control cabbage caterpillars, diamondback moth, cabbage night moth, Spodoptera litura, rapeseed meal, yellow stripe, and rapeseed meal. Control the vegetable aphids in the greenhouse, 30% of the smoke agent is 4.5 kg per hectare or 22% of the smoke agent is 6 kg per hectare.
2. Cotton pests are sprayed with 80% emulsifiable concentrate of 2000~3000 times to control cotton aphid, cotton leafhopper, cotton bollworm and so on. To prevent winter red bollworms in the warehouse, spray the wall with 80% emulsifiable concentrate 200 times, and fumigate for 3 to 4 days. Generally use 80% emulsifiable concentrate 1000~1500 times, spray.
3, health pest control cockroaches and bed bugs can be sprayed with 300~400 times liquid.
The article was compiled and published by China Pesticide Network , please indicate the source!
Ever wonder if you could turn your car's interior into a full-on light show? Well, that's now possible because many modern vehicles offer cool ambient lighting, even on non-luxury cars. Keep reading to find out what ambient lighting is, as well as what cars have the best ambient lighting systems.
What Is Car Fiber optic Lighting? The feature utilizes interior lights mounted around the cabin to enhance the design and maybe even soothing driver and passenger. In addition to the foot wells, some ambient lighting systems often illuminate the door and dash trim, cupholders, climate control vents, and speaker surrounds.
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