Method for using drug for preventing and treating sclerotium rolfsii

Abstract

The invention discloses a method for using a drug for preventing and treating sclerotium rolfsii. The method comprises the following steps: (A) preparing original liquid, wherein the original liquid contains the ingredients of 1% copper sulfate solution, 25% carboxin wettable powder, 70% pentachloronitrobenzene wettable powder, hypericin, matrine, artemisinin, double coptis chinensis and rhubarb; (B) at the early stage of the onset, spraying the rhizome of a disease part by using an original liquid solution of a volume which is 400 times that of the original liquid every 7-10 days, and spraying once or twice; (C) at the middle stage of the onset, spraying the rhizome of the disease part by using an original liquid solution of a volume which is 600 times that of the original liquid every 4-8 days, and spraying twice or three times; (D) adding water to dilute the original liquid until liquid of a 500-times volume is obtained and carrying out rhizome irrigating operation while carrying out the step (C). The method disclosed by the invention is simple, the used product is simple in proportion and convenient in use, and the treatment effect on watermelon sclerotium rolfsii is good; shown by testing, the solution of a volume which is 400-600 times that of the mixture has an obvious inactivation effect on deuteromycetes sclerotium rolfsii and athelia rolfsii and has a good bactericidal effect.

Description

[0001] Technical field: [0002] The invention relates to a medicine for vegetables, in particular to a method for using a medicine for preventing and treating white silkworm. [0003] Background technique: [0004] Watermelon canker blight, mainly attacking the vines or fruits near the ground, the base of the stem or the vines close to the ground are infected, initially dark brown, with white radial mycelium growing on it, the fruit is infected, the diseased part turns brown, and the edge is obvious , The diseased part also grows white filamentous mycelium, and the mycelium expands to the surface near the fruit. In the later stage, the diseased part produces small tea-brown radish seed-shaped sclerotias, and the diseased part rots when the humidity is high. The source of the disease is: Sclerotinia sclerotiorum, which is a fungus of the ignorant fungus. It has been reported that its behavior is Athena roerii. It can enter the soil together with diseased plant residues. ...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of drug resistance caused by the current watermelon canker sore, the present invention provides a method of using a medicine for preventing and treating canker cane with simple use method, simple product ratio, convenient use and good effect in treating canker canker.