What is sputum
Quercetin, also known as "Tao San San" and "Blazes", is an antibiotic extracted from actinomycete culture medium for the control of rice blast, rice husk, rice sclerotinia. The following small series will lead everyone to understand the use and use of quercetin.
The role of quercetin is an antibiotic. It can inhibit the growth of yeasts and molds. What is used in agriculture is the sulphate and lauric acid sulphate. It is non-toxic to fish and is mainly used to control rice blast and diseases caused by Echinococcus. Control leafhoppers, panicles, and spray with 2% emulsifiable concentrate 500-1000 times (20-40 mg/L). The scutellarin has a certain effect on the control of rice leaf spot and small sclerotium disease, and also has a reducing effect on the infection rate of rice stripe virus disease. When the concentration exceeds 40 mg/L, it is prone to phytotoxicity. Before the spraying, the application of parathion, phoxim, trichlorfon, chlorpyrifos, fenthion or several arsenic agents should be mixed, but it should not be mixed with strong alkaline pesticides such as Bordeaux mixture. It can also be used in combination with amalgam pesticides.
The method of use of quercetin is mainly used for the control of rice blast, including seedling rice blast, leaf blast, panicle thorn, etc. It also has certain control effect on rice leaf spot and small sclerotium disease, and can also reduce infection of rice striated disease. rate. It is sprayed with 250% to 500 times of 1% wettable powder, which is harmless to crops. Before the onset of the seedlings, the spot is sprayed with 2% emulsifiable concentrate 500-1000 times, and the stems and leaves are sprayed 1 or 2 times, each time interval of about 7 days.
When I mentioned "Tao San San", I want to believe that everyone is familiar with it, but farmers must take precautions against the use of pesticides to prevent poisoning.
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