Agent used for preventing and treating aphis pomi of malus halliana koehne

Abstract

The invention discloses an agent used for preventing and treating aphis pomi of malus halliana koehne. The agent comprises the following components in parts by weight: 20-28 parts of 30% rotenone emulsifiable concentrate, 5-8 parts of rabdosia serra powder, 4-9 parts of lignosulfonate, 3-8 parts of saponin powder, 3-8 parts of 1,2-butanediol, 18-25 parts of butyl acetate, 4-8 parts of alkyl phenyl polyethyl ether, 4-9 parts of castor oil, 8-13 parts of rosin powder, 8-14 parts of polybutylene, 3-7 parts of sodium fluosilicate, 7-10 parts of sodium dodecyl benzene sulfonate and 30-38 parts of water. A use method comprises the following steps: proportionally allocating and mixing the components and stirring the components uniformly to obtain the agent for prevention and treatment; then spraying the agent around affected plants after diluting the agent for prevention and treatment. The agent has good prevention effects, is convenient to use, reduces the pesticide consumption, reduces environmental pollution and is beneficial to ecological balance.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a medicament for preventing and treating the crabapple apple aphid. Background technique [0002] Hanging Begonia (scientific name: Malus halliana Koehne ) is a small deciduous tree with a height of 5 meters and a spreading crown; the leaves are ovate or elliptical to oblong ovate, corymbs with 4-6 flowers, the pedicel is thin and drooping, with sparse pilose, purple; the outside of the calyx tube Glabrous; sepals triangular-ovate, petals obovate, with short claws at the base, pink, often more than 5; fruit pear-shaped or obovate, purplish, mature very late, sepals fall off. The flowering period is March-April, and the fruiting period is September-October. Growing in forests on hillsides or beside mountain streams, at an altitude of 50-1200 meters. Distributed in Jiangsu, Zhejiang, Anhui, Shaanxi, Sichuan and Yunnan in China. It can be used as medicine to treat metrorrhag...

AI Technical Summary

Problems solved by technology

However, due to long-term use, the disease is easy to develop resistance, resulting in a decrease in drug efficacy, thereby increasing the amount of pesticides and prolonging the use time, which will cause pesticides to pollute the environment and is not conducive to ecological balance.