Use and classification of benzimidazole pesticide fungicide carbendazim

Carbendazim is a benzimidazole pesticide fungicide, which is widely used in agricultural production. However, farmers have doubts about the use and classification of carbendazim. Today, the classification and science of carbendazim in China's pesticide network Xiaobian Use the method for analysis and summary, I hope to help everyone.
Carbendazim is chemically stable, also known as cotton atrophy, benzimidazole No. 44, can be mixed with general fungicides or growth regulators, foliar fertilizers, but mixed with pesticides and acaricides. . Because carbendazim is easily decomposed by alkaline substances, it cannot be mixed with stone sulphur, Bordeaux and other copper preparations to avoid reducing the efficacy or phytotoxicity.
Carbendazim is one of the fungicides that are particularly resistant to development. It is easy to make the bacteria resistant to drugs in a long-term single use, and should be used in rotation or mixed with other fungicides. Methyl thiophanate and carbendazim belong to the same class of agents, so it is not advisable to use it as a pesticide for rotation with carbendazim. Can be used for foliar spray, seed treatment and soil treatment.
When soil is treated, it is sometimes decomposed by soil microorganisms to reduce the efficacy. If the soil treatment effect is not satisfactory, you can use other methods of use. The safety interval is 15 days.
First, the use of carbendazim 1. Prevention and control of wheat scab in the initial flowering period spray the first drug, 5 to 7 days after the second drug. Use 25% carbendazim WP at a rate of 3000g per hectare, or 1875g with 40% carbendazim WP, or 1500g with 50% carbendazim WP, or 80% The carbendazim wettable powder commercial product amount of 937. 5 grams (active ingredient 750 grams), can also be used 40% carbendazim suspension drug commercial volume 937. 5 grams (active ingredient 375 grams), add water 750 liters, stir even spray.
2. Prevention and control of rice sheath blight In the early stage of disease or from the ear-forming stage to the booting stage, spray the drug once every 7 days, each time using 25% carbendazim WP powder of 3000 grams per hectare. Or use 40% carbendazim WP powder 1875 grams, or use 50% carbendazim WP powder 1500 grams, or 80% carbendazim WP powder 937.5 grams (active ingredient 750 grams) It is also possible to use a commercial product of 93% carbendazim suspension, 937.5 g (active ingredient 375 g), add 1050 liters of water, stir evenly spray, and focus on spraying the stem of rice.
3. Control of Sclerotinia pesticide manufacturers recommended final flowering and flowering rapeseed each spraying times, each time with Carbendazim 25% WP commercial quantities from 4,500 to 6,800 grams per hectare, with 40% or bacteria The amount of WP can be 28125～4250g, or 50% carbendazim WP can be 2250～3400g, or 80% carbendazim WP can be 1406.25～2125g (active ingredient 1125～1700) g), can also use 40% carbendazim suspension drug volume of 2812.5 ~ 3750 grams (active ingredient 1125 ~ 1500 grams), add water 1050 liters, stir even spray.
4. Prevention and treatment of grape white rot and black pox disease Spraying the grapes before the fruit is spread to the fruit before spraying, spraying once every 10 to 15 days. See the prevention and treatment of pear scab in each spray concentration.
Second, carbendazim use precautions (l) carbendazim can be mixed with general fungicides , but mixed with pesticides, acaricides should be used with mixing, should not be mixed with alkaline agents.
(2) Long-term single use of carbendazim is easy to cause resistance to pathogens, and should be used interchangeably or mixed with other fungicides.
(3) When used as a soil treatment, it is sometimes decomposed by soil microorganisms to reduce the efficacy. If the soil treatment effect is not satisfactory, you can use other methods of use.
(4) The security interval is 15 days.
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