Preparation method of disease-resistant drug for watermelon southern blight

Abstract

The invention discloses a preparation method of disease-resistant drug for watermelon southern blight. The preparation method comprises the following steps: A. materials of 40% quintozene, 15% wettable triadimefon powder, 50% wettable tolclofos-methyl powder, astragaloside, baicalin, polyoxin, honeysuckle and andrographis paniculata are prepared; B. extracting solutions of the honeysuckle and the andrographis paniculata are extracted; C. the 40% quintozene, the 15% wettable triadimefon powder, the 50% wettable tolclofos-methyl powder, the astragaloside, the baicalin and the polyoxin are compounded with the extracting solutions obtained in the step B; the drug for resisting the watermelon southern blight is obtained by thorough stirring and ultraviolet sterilizing. The preparation method of the invention has the advantages of simplicity, simple proportion of the prepared products, convenience in use and good effect on treatment of the watermelon southern blight. Experiments show that a solution of the mixture has an obvious inactivation effect on fungi imperfecti sclerotium rolfsii and athelia roffsii, wherein the amount of the solution is 400-600 times of that of the mixture; the disinfection effect is good.

Description

[0001] Technical field: [0002] The invention relates to vegetable medicines, in particular to a method for preparing disease-resistant medicines for canker sores of watermelon. [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] The present invention aims at the problem of drug resistance of watermelon canker sores at present, and provides a kind of medicine that has a simple manufacturing method, a simple manufacturing method, a simple proportion of the prepared product, convenient use, and a good treatment effect for watermelon canker sores. The manufacture method of the antidisease medicine of watermelon canopy