Teach you the identification of biological pesticides

A variety of pesticides on the market make us look dazzled. Different crops use different pesticides. If they are wrong, they will have no effect and will destroy the crops. The role of these common pesticides is really important.
Yanbaisu: It is a pesticide mixed with three components such as nicotine, hexaphylline and alizarin. It has strong contact and stomach toxicity and can be used to control Lepidoptera, Diptera and Hemiptera. A variety of pests. Such as aphids, red spiders, scale insects, etc., generally use 1.1% Yanbaisu emulsifiable concentrate 1000 times, once every 7-10 days, even spray 2-3 times.
Saponin Nicotine: A broad-spectrum insecticide made from saponin and nicotine, resistant to rain. It can be used to control red spiders and scale insects. For example, in the prevention and control of scale insects, in the early stage of egg hatching, use 27% saponin nicotine 300 times solution, once every 5-7 days, even spray 2-3 times.
Rotenone, also known as Shilubao: It also has a certain repellent effect on contact and stomach toxicity. It is safe for natural enemies and has a wide spectrum of insecticides. It has good defense against various pests such as Lepidoptera, Hemiptera and Coleoptera. effect. For example, aphids can be sprayed with 2.5% rotenone emulsifiable concentrate 400-600 times.
Clostridium is also known as mesomycin: it has high activity against bacterial diseases and some fungal diseases of crops. Can be used to control grape anthracnose, black bean disease, apple ring disease, anthracnose disease, spotted leaf disease, mildew disease, etc., such as the control of grape anthracnose, can be sprayed with 3% gram bacteria 1000-1200 times in the early stage of the disease, a total of Use 3-4 times.
Avermectin: also known as Qiqisu, Aifuding, harmless, farmhouse, pyrethrin, bicinchin, abadin, Longweikang and so on. It is a brand-new antibiotic biological insecticide that has contact and stomach toxicity to pests and pests, and has a wide spectrum of insecticides. It can be used to control pests such as pear hibiscus, mites, whitefly, and heartworm, and sprayed at a concentration of 4500-5000 times.
Gen Fu Te: Also known as root rot 110. It can be used to control root rot of fruit trees, activate roots and roots, and promote root development. The transplanting period uses 2.5% root complex 800 times liquid, and the plant growth period uses 500-600 times liquid, 200-300 ml per plant. root.
Chitin: Its series of products, such as a strong, sprayed on the surface of the plant to form a film to prevent the invasion of bacteria, generally 2% a strong 600-800 times liquid, sprayed to the fruit formation period, poly candy music in fruit The application protects the fruit from the invasion of the bacteria and enhances the sugar content. Generally, it is sprayed 2-4 times once every 6-7 days; Black Star 21 has the functions of inducing resistance, inhibiting infection of bacteria, improving fruit, etc., and can be used for controlling fruit tree scab. It is usually sprayed with 400-600 times liquid.
Wuda Oasis No. 1: It is a virus insecticide . The virus directly acts on the fat extracting cells of the insects and the nucleus of the midgut, and rapidly replicates to cause the larvae to die. It can be used to control lepidopteran pests, pears and heartworms. It is best to use the drill collar pests such as the pear heartworm at the peak of the eggs.