Mentioning bifenthrin is not unfamiliar to many farmers, but when you talk about Uranus, you must have heard it. Bifenthrin, also known as Uranus, is a highly effective pyrethroid insecticide and acaricide . It can be used in bananas and barley. On cotton, lettuce, tea, apple, wheat, tomato and other crops, bifenthrin is relatively strong, and it is necessary to strictly control the amount of medicine. Let's follow it with Xiaobian.
The medicinal properties of bifenthrin
Bifenthrin is moderately toxic to humans and animals and highly toxic to fish. The acute oral toxicity LD50 of rats is 54.5mg/kg; the acute dermal toxicity of rabbits is more than 2000mg/kg. It has no irritating effect on skin and eyes, and has no teratogenic, carcinogenic and mutagenic effects. Low toxicity to birds, LD50 of 1800mg/kg for acute oral toxicity and 4450mg/kg for wild ducks.
How to use bifenthrin:
First, the applicable crop
Banana, barley, cotton, lettuce, tea, apple, wheat, tomato, pea, pod, white lupine, alfalfa, green bean, pear, sugar cane, dried chili, melon, potato, shallot, cabbage, red pepper, mango, eggplant, Cauliflower, grapes, peanuts, watermelon, tobacco, corn, cocoa, asparagus, green onions.
Second, the method of use
(1) Whitefly: Spray pesticides at the beginning of the whitefly, when the density of the insect population is low (about 2 heads/strain). Spray with 2.5% Uranus EC 2000-500 times solution. When the insect condition is serious, you can use 2.5% Uranus ECB 4000 times solution and 25% Pycnogenol WP 1500 times solution.
(2) Aphids: Spray 2,500-3000 times of 2.5% Uranus EC at the beginning of the operation, and the residual effect period is about 15 days. The same dose can also control a variety of leaf-feeding pests.
(3) Red spider: Applying in the period of Yu Cheng and Ruo. With 2.5% Uranus EC 2000 solution, spray, can effectively control it within 10 days.
Third, the impact on the environment
Bifenthrin is moderately toxic to humans and animals. Bifenthrin is highly toxic to fish. Since the agent has high affinity in the soil and its water solubility is low, the actual effect is small. This agent is moderately toxic to bees and highly toxic to silkworms.
More pesticide knowledge , please pay attention to China Pesticide Network
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