Insect-resistant medicament capable of controlling amaralin biological sources of corn borers

Abstract

The invention discloses an insect-resistant medicament capable of controlling amaralin biological sources of corn borers, which comprises the following components in percent by weight: 5-9% of amaralin, 2-5% of matrine, 4-8% of citrus oil, 35-45% of beauveria bassiana spore solution and 40-50% of bacillus cereus spore solution. The insect-resistant medicament preferably comprises the following best components in percent by weight: 7% of amaralin, 3% of matrine, 5% of citrus oil, 40% of beauveria bassiana spore solution and 45% of bacillus cereus spore solution. Through actual field planting, effects of effectively inhibiting corn borer eggs and larvae as well as expelling imagoes can be achieved, and crops can be induced to generate protectin, thereby promoting the robust growth of the crops and improving the quality of the crops.

Description

technical field [0001] The invention relates to an anti-insect medicament for controlling corn borer, picrothrin biological source, and belongs to the technical field of plant pest control. Background technique [0002] Corn borer belongs to Lepidoptera mothidae. Adults are nocturnal, have strong flying power, have light repelling properties, and live for 5-10 days. They like to lay eggs on both sides of the midrib on the back of corn leaves that are more than 50 centimeters above the ground and grow luxuriantly. , a female can lay 350-700 eggs, and the egg period is 3-5 days. After the larvae hatch, they gather together first, and then crawl on the young parts of the crops, and start to do harm. Neighboring plants cause damage to transplants. Before the third age, they mainly concentrate on the young heart leaves, tassel bracts and filaments to feed on. After the damaged heart leaves unfold, there are many small holes in horizontal rows. After the fourth age, most of the D...

AI Technical Summary

Problems solved by technology

[0002] Corn borer belongs to Lepidoptera mothidae. Adults are nocturnal, have strong flying power, have light repelling properties, and live for 5-10 days. They like to lay eggs on both sides of the midrib on the back of corn leaves that are more than 50 centimeters above the ground and grow luxuriantly. , a female can lay 350-700 eggs, and the egg period is 3-5 days. After the larvae hatch, they gather together first, and then crawl on the young parts of the crops, and start to do harm. Neighboring plants cause damage to transplants. Before the third age, they mainly concentrate on the young heart leaves, tassel bracts and filaments to feed on. After the damaged heart leaves unfold, there are many small holes in horizontal rows. After the fourth age, most of the Drilling into the stalk, the external damage is mainly because the leaves are bitten, which reduces the photosynthetic efficiency of the crop. After the tassels are mothed, they are often broken and affect pollination. After the stalks, cobs, and cobs are eaten by moths, hollow tunnels are formed, which destroys the transportation of water and nutrients in the plant, increases the rate of stalk inversion, and reduces the grain yield; the current common control method for corn borer is to use chemical pesticides to prevent and control , chemical pesticides include zinc thion, carbofuran granules, trichlorfon, dichlorvos, or release its natural enemy Trichogramma, and the method used by microorganisms uses Beauveria bassiana to prevent and control cinder particles. The above chemical pesticides do not have environmental harmony. There will also be problems of pesticide residues and soil pollution. The natural enemy Trichogramma or Beauveria bassiana spores are used for prevention and control. Due to the influence of weather factors and the problem of spraying chemical pesticides on farmland, the control effect is not good. Facing the market Food safety requirements are gradually developing in the direction of pollution-free and ecological organic planting. The requirements for no pesticide residues and internal quality are getting higher and higher. It is really necessary to explore the prevention and control of corn borer pests from biological sources and plant sources, and to improve the quality of plants. Create a method of self-protection control, and overcome the problems of pesticide residue and resistance caused by spraying chemical pesticides during control

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