Malus micromalus rot prevention and control agent and preparation method thereof

Abstract

The present invention relates to a malus micromalus rot prevention and control agent, which comprises stemona japonica, scutellaria baicalensis georgi, angelica dahurica, rosin, gentiana scabra bunge, folium isatidis, rhus chinensis mill, and garlic. The preparation method comprises: weighing various components according to the ratio, leaching with clear water, leaching with ethanol, adding food fat and alum, and concentrating to obtain an oily paste finished product, wherein the effective components of various components are extracted by using the clear water and the ethanol, the formed paste is directly applied onto the cleaned lesion, the lesion cannot shed after the continuous use, it can be ensured that the water inside the tree cannot be evaporated from the wound, the bark burning problem cannot be generated, the invasion of the outside bacteria is avoided, the disease treatment effect is good, and the recurrence rate is low.

Description

technical field [0001] The invention belongs to Xifu crabapple planting technology field , especially a medicine for preventing and treating Xifu crabapple rot disease and a preparation method thereof. Background technique [0002] Xifu crabapple belongs to the Rosaceae apple genus, also known as sea red, small fruit crabapple, deciduous tree, up to 8 meters in height, with oval to oblong leaves, lanceolate leaves, and nearly umbrella-shaped inflorescences. It grows well in the dry areas of the north , light-loving, cold-resistant, drought-resistant, avoiding water and humidity, most suitable for growing in fertile, loose and well-drained sandy loam, has certain resistance to harmful gases in the air, and is a popular product in greening projects. However, in the process of planting crabapple in Xifu, it is easy to be attacked by rot disease. This disease is one of the important diseases, which harms the trunk and treetops. Generally, the disease starts from April to May ev...

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Problems solved by technology

However, in the process of planting crabapple in Xifu, it is easy to be attacked by rot disease. This disease is one of the important diseases, which harms the trunk and treetops. Generally, the disease starts from April to May every year, and the peak period is from May to June. After July, the disease gradually It tends to ease. In the early stage of the disease, water-soaked lesions appear on the trunk. Later, the cortex of the diseased part rots, shrinks and sinks, and it is difficult to cure it. Pesticides such as thiram are often used for treatment, but these pesticides have a long residual period and are very harmful to the human body. harmful

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