Grape powdery mildew preventing and treating agent

Abstract

The invention discloses a grape powdery mildew preventing and treating agent and relates to the technical field of agricultural planting. The agent is prepared from raw materials in parts by weight as follows: 20-30 parts of shinyleaf pricklyash roots, 15-20 parts of leaves of sensitive plants, 10-15 parts of christina loosestrife, 10-15 parts of tea dregs, 8-13 parts of honeycombs, 6-11 parts of leaves of oregano, 5-9 parts of urea, 5-9 parts of dodecyl dimethyl betaine, 4-8 parts of Chinese gall, 3-6 parts of monopotassium phosphate, 3-6 parts of bamboo vinegar, 2-4 parts of natural indigo, 2-4 parts of dried alum, 1-2 parts of iodophor, 1-2 parts of chili meal, 0.5-1 part of borax and 0.1-0.3 parts of sodium selenite. The preventing and treating agent has a light smell, is free of the pungent smell, effectively improves the application environment, has the significant efficacy, can alleviate symptoms rapidly after being applied and can thoroughly cure the powdery mildew after being applied 2-3 times, the recurrence rate is low, besides, foliage dressing is performed on diseased grape plants by the aid of urea and monopotassium phosphate while the powdery mildew is prevented and treated, so that the diseased plants are supplemented with required nutritional substances, and the resistance of the diseased plants is improved.

Description

Technical field: [0001] The invention relates to the technical field of agricultural planting, in particular to a control agent for grape powdery mildew. Background technique: [0002] Grape, Vitaceae Vitis genus woody vines, branchlets cylindrical, with longitudinal ribs, glabrous or sparsely pilose, leaves oval, panicles dense or scattered, many flowers, opposite to leaves, base branches well developed , the fruit is spherical or oval, the seed is obovate, the flowering period is April-May, and the fruiting period is August-September. Cultivated in various parts of China, originating in western Asia, and now cultivated all over the world. About 95% of the world's grapes are concentrated in the northern hemisphere. Grapes can be eaten raw or made into raisins, and made into wine. The leftovers after wine making can be used to lift wine and eat acid. [0003] Grape powdery mildew mainly damages leaves, branches and fruits, and young tissues are most sensitive. When the fr...

AI Technical Summary

Problems solved by technology

Although this control method is effective in short-term use, it smells bad when spraying, which affects air quality and causes breathing discomfort for sprayers; in addition, drug resistance will appear after long-term use, and it is necessary to increase the dose or cooperate with Use other chemicals, thereby increasing costs and reducing planting profits