Liquid slow-release agent for sex pheromone of barber borer and its preparation method

Abstract

The invention relates to a chilo venosatus sex pheromone liquid slow-release agent and a preparation method thereof. The liquid slow-release agent is prepared from the following raw materials in partsby weight: 0.7-1.2 parts of chilo venosatus sex pheromone, 3-6 parts of a biodegradable polymer, 0.7-1.5 parts of an oily anti-UV agent, 0.7-1.5 parts of a water-based anti-UV agent, 0.7-1.5 parts ofbutyl hydroxyl anisole, and 130-160 parts of a solvent, wherein the biodegradable polymer is selected from polylactic acid and / or poly(butylene succinate); and the solvent is a mixed solution of dichloromethane and a hydroxypropyl methyl cellulose aqueous solution, the mass ratio of the dichloromethane to the hydroxypropyl methyl cellulose aqueous solution is 1:(1-2), and the mass concentration of the hydroxypropyl methyl cellulose in the hydroxypropyl methyl cellulose aqueous solution is 0.7-1.3%. The liquid slow-release agent provided by the invention has a long release lasting period, caneffectively prevent and control chilo venosatus pests, and can save labor and time through mechanical spraying.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a liquid slow-release agent of bariatric sex pheromone and a preparation method thereof. Background technique [0002] Sugarcane is the most important sugar crop in my country, and sucrose accounts for more than 92% of the country's total sugar production every year. It plays a very important role in the country's sugar supply, but the annual economic losses caused by sugarcane borers are as high as tens of billions of yuan, of which Sugarcane bar borer (Chilo venosatus Walker) is the most serious damage and causes the most economic losses. In the sugarcane area of ​​South China, the sugarcane borer has four generations a year from March to November, causing dead hearts in the seedling stage and dead sheaths or knots in the growth stage. The damage to sugarcane is particularly serious in the middle and late stages of growth. The rate of damaged plants reaches 70%-80%, almost reaches 100...

AI Technical Summary

Problems solved by technology

Although intubation has a certain effect on the control of bar borer, but for the height and density of sugarcane in the middle and late stages of sugarcane growth, mechanical intubation cannot be used, which requires a lot of manpower and time

Now sugarcane production is accelerating the use of mechanization (such as plant protection drones), and the current dosage form cannot adapt to plant protection mechanization

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