Medicine for preventing and treating ralstonia solanacearum

Abstract

The invention discloses a medicine for preventing and treating ralstonia solanacearum, which comprises 1% to 5% of albendazole, 2% to 10% of carbendazim, 70% to 80% of Chinese herbal medicine extracting solution and 5% to 27% of auxiliaries, wherein the Chinese herbal medicine extracting solution is prepared by mixing the Chinese herbal medicines such as lightyellow sophora root, common cnidium fruit and rhubarb in the weight ratio of 1 to 1 to 1 and extracting the mixture by utilizing 65% ethanol extracting solution; the using amount of the 65% ethanol extracting solution is 15 times of the total mass of the medicinal materials; the auxiliaries are an emulsifying agent and a thickening agent, wherein the using amount of the emulsifying agent is 4% to 22% of the total mass of the materials, and the amount of the thickening agent is 1% to 5% of the total amount of the materials; the emulsifying agent is 2201 type or 4203 type; and the thickening agent is dextrin or xanthan gum. The medicine for preventing and treating the ralstonia solanacearum has the advantages that the medicine effect is good; the bacteriostatic rate is high; the indoor biological measuring effect is better than that of agricultural streptomycin for treating the ralstonia solanacearum at present; the verification result of a field test proves that the prevention efficiency for preventing and treating the ralstonia solanacearum reaches about 80%; and the medicine is suitable for preventing and treating the ralstonia solanacearum.

Description

technical field [0001] The invention relates to the cultivation of plants, in particular, it belongs to the medicine for preventing and treating bacterial wilt of crops. Background technique [0002] Bacteria wilt is a plant disease caused by Ralstonia solancearum. Symptoms are that the fine roots of the plant first brown, and soon begin to rot and disappear. Cutting the diseased stem close to the ground, it can be found that the vascular bundle is slightly browned, and white turbid sap is secreted from this part. Bacterial wilt is the main disease of tomato, eggplant, pepper, potato and other solanaceous vegetables. The main symptom is that the plants wilt and die quickly, and the stems and leaves remain green. The browning part of the diseased stem is squeezed by hand, and milky white bacteria liquid is discharged. The disease is prone to occur under the conditions of high temperature and high humidity, continuous cropping, low-lying soil, water accumulation in the fie...

AI Technical Summary

Problems solved by technology

For example, No. CN1119491 "A kind of fertilizer for preventing and treating root rot of fruit trees" and No. CN1273776 "Pharmaceuticals for preventing and controlling plant vascular bundle diseases", etc., these patents have their effects, but the effect of preventing and treating bacterial wilt is still unknown