Method for preventing and controlling miridae

A technology of mirid bugs and mass fractions, applied in fertilization methods, botanical equipment and methods, horticulture, etc., can solve problems such as the difficulty of mirid bugs control, achieve effective control of mirid bugs, and overcome control difficulties

Inactive Publication Date: 2017-07-11
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art. The present invention provides a method for preventing and controlling Lygus bugs, screening insecticides with better control effects on Lygus bugs, and screening auxiliary agents on the basis of single agent control. and application to overcome the difficult problem of Lygus control

Method used

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  • Method for preventing and controlling miridae

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Spray clear water, 0.3% gossypol acetate, 0.6% gossypol acetate, 1.0% gossypol acetate, 0.04% spirotetramat, 1% gossypol acetate + 0.04% spirotetramat for comparison test, the results are as follows:

[0019]

[0020] It can be seen from the above table that after mixing, the control effect can reach 93.6%, and the effect is obvious.

Embodiment 2

[0022] A method for the prevention and control of mirid bugs. Mix gossypol acetate with a mass fraction of 0.7% and spirotetramat with a mass fraction of 0.035% evenly according to the volume ratio of 1:1, and choose to carry out from the outer periphery to the inner periphery when the sun just comes out. spray.

[0023] The solvents of gossypol acetate and spirotetramat are water, and the time of spraying is when the sun just rises, from the periphery to the inner periphery in a spiral manner, and the spraying amount is 12.5kg of mixed solution per mu of land.

[0024] When preparing spray medicine, add water-soluble foliar fertilizer at the same time, add water-soluble foliar fertilizer, the mass fraction of the added water-soluble foliar fertilizer is 13%.

[0025] Before spraying, pre-fertilize when planting. When fertilizing, mix the fertilizer with gossypol acetate, spirotetramat, and water according to the mass ratio of 400:1:0.2:15, and then evenly sprinkle it on the l...

Embodiment 3

[0027] A method for the prevention and control of mirid bugs. The gossypol acetate with a mass fraction of 0.6% and the spirotetramat with a mass fraction of 0.039% are evenly mixed according to the volume ratio of 1:1, and the selection is carried out from the outer periphery to the inner periphery when the sun just comes out. spray.

[0028] The solvents of gossypol acetate and spirotetramat are water, and the time of spraying is when the sun just rises, from the periphery to the inner periphery in a spiral manner, and the spraying amount is 13.5kg of mixed solution per mu of land.

[0029] When preparing spray medicine, add water-soluble foliar fertilizer at the same time, add water-soluble foliar fertilizer, the mass fraction of the added water-soluble foliar fertilizer is 13%.

[0030] Before spraying, pre-fertilize when planting. When fertilizing, mix the fertilizer with gossypol acetate, spirotetramat, and water according to the mass ratio of 350:1:0.2:17, and then even...

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Abstract

The invention relates to a method for preventing and controlling miridae, comprising the steps of evenly mixing gossypol acetate with mass fraction of 0.6-1.2% and spirotetramat with mass fraction of 0.03-0.05% based on a volume ratio of 1 to1, and selecting to spray from periphery towards interior when the sun just comes out. The invention provides the method for preventing and controlling the miridae, which can effectively prevent and control the miridae, and the prevention and control is highly efficient.

Description

technical field [0001] The invention belongs to the technical field of insect control, in particular to a method for preventing and controlling Lygus bugs. Background technique [0002] The successful development of transgenic Bt cotton has played an important role in the control of cotton bollworm, but with its widespread planting, the status of pests in cotton fields has changed. Some transgenic cotton aphids Aphis gossypii, cotton red spider Tetranychusurticae, cotton thrips Thrips tabaci, whitefly Trialeurodesyaporariorum, whitefly Bemisia tabaci, cotton horn bug Helopeltis schoutedeni, alfalfa bug Adelphocoristaeniophorus and cotton leafhopper Empoasca biguttula and other thorns The successful development of transgenic Bt cotton has played an important role in the control of cotton bollworm, but with its large-scale planting, the status of pests in cotton fields has changed, and Lygus has become a dominant pest in cotton fields. [0003] Cotton Lygus belongs to Hemipte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01C21/00
CPCA01C21/00A01G13/00
Inventor 雒珺瑜崔金杰张帅朱香镇吕丽敏王春义张利娟王丽
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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