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Compound pesticide for preventing aphis pomi and preparation method thereof

A technology of apple yellow aphids and pesticides, which is applied in the field of compound pesticides for the control of apple yellow aphids and its preparation, which can solve the problems of unreasonable mix and match of insecticides, failure to achieve economic benefits, and increased resistance of pests, and achieve rapid effects , prolong life, long-lasting effect

Inactive Publication Date: 2015-09-16
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main control method for such pests in our country is still chemical control, but with the continuous increase and innovation of the types of pesticides, due to the lack of understanding and unreasonable mix and match of pesticides, people began to abuse them in large quantities. This not only fails to achieve good economic benefits, but also causes environmental pollution and increased resistance of pests, and some even seriously harm their natural enemies.

Method used

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  • Compound pesticide for preventing aphis pomi and preparation method thereof
  • Compound pesticide for preventing aphis pomi and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of compound pesticide for controlling apple yellow aphid, its raw material is composed of: 8% of pymetrozine, 32% of bifenthrin, 4% of hyperosmotic agent, 11% of emulsifier, 35% of solvent, co-solvent 10%.

[0024] Its preparation method is:

[0025] (1) take each raw material in proportion, for subsequent use;

[0026] (2) Add solvent and co-solvent to pymetrozine respectively, and stir for 30 to 100 minutes; then add emulsifier while stirring; add bifenthrin after the original drug of pymetrozine is dissolved, and stir until biphenyl After dissolving the permethrin, add the hyperosmotic agent, add the remaining amount of solvent, mix and shake well, and obtain a uniform and transparent mixed preparation.

[0027] The emulsifier described in this example is Nongru 2201, the solvent is xylene, and the co-solvent is N,N-dimethylformamide.

[0028] The compound pesticide prepared above was used for the control of apple yellow aphid with reference to NY / T 1154.5-...

Embodiment 2

[0030] A kind of compound pesticide for preventing and treating apple yellow aphid, its raw material is composed of: 15% of pymetrozine, 30% of bifenthrin, 4% of hypertonic agent, 10% of emulsifier, 31% of solvent, and auxiliary Solvent 10%.

[0031] Its preparation method is:

[0032] (1) take each raw material in proportion, for subsequent use;

[0033] (2) Add solvent and co-solvent to pymetrozine respectively, and stir for 30 to 100 minutes; then add emulsifier while stirring; add bifenthrin after the original drug of pymetrozine is dissolved, and stir until biphenyl After dissolving the permethrin, add the hyperosmotic agent, add the remaining amount of solvent, mix and shake well, and obtain a uniform and transparent mixed preparation.

[0034] The emulsifier described in this example is Nongru 500#, the solvent is toluene, and the co-solvent is N,N-dimethylformamide.

[0035] The compound pesticide prepared above was used for the control of apple yellow aphid accordi...

Embodiment 3

[0037] A kind of compound pesticide for controlling apple yellow aphid, its raw material is composed of 18% of pymetrozine, 18% of bifenthrin, 4% of hyperosmotic agent, 10% of emulsifier, 35% of solvent and co-solvent 15%.

[0038] Its preparation method is:

[0039] (1) take each raw material in proportion, for subsequent use;

[0040] (2) Add solvent and co-solvent to pymetrozine respectively, and stir for 30 to 100 minutes; then add emulsifier while stirring; add bifenthrin after the original drug of pymetrozine is dissolved, and stir until biphenyl After dissolving the permethrin, add the hyperosmotic agent, add the remaining amount of solvent, mix and shake well, and obtain a uniform and transparent mixed preparation.

[0041] The emulsifier described in this embodiment is anhydrous calcium salt agricultural milk 500#-A, the solvent is glycerol, and the cosolvent is acetone.

[0042] The compound pesticide prepared above was used for the control of apple yellow aphid w...

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Abstract

The invention belongs to the technical field of compound pesticide and in particular relates to a compound pesticide for preventing aphis pomi and a preparation method of the compound pesticide. Pymetrozine and bifenthrin are used as active ingredients to be prepared into the compound pesticide; the compound pesticide prepared from pymetrozine and bifenthrin which are used as active ingredients can overcome the situations that the existing pesticides for preventing aphis pomi are diverse, are used disorderedly, and have poor prevention effect; the pesticide effects of pymetrozine and bifenthrin are improved, the spraying frequency is reduced, the resistance is delayed, the variety life is prolonged and the environment pollution is relieved.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, and in particular relates to a compound pesticide for controlling apple yellow aphids and a preparation method thereof. Background technique [0002] Apple yellow aphid, scientific name Aphis ciricola van der Goot, also known as Spiraea aphid, belongs to Homoptera Aphididae, is one of the important pests that harm apple trees. [0003] The apple yellow aphid mainly clusters adults and nymphs to suck the juice of young leaves and shoots. The damaged leaves roll horizontally to the back of the leaves. In severe cases, they are blood red and fall off early. The nursery and young trees, especially the young shoots, are severely damaged, and the growth of new shoots is hindered. and affect tree development. At present, the main control method for such pests in our country is still chemical control, but with the continuous increase and innovation of the types of pesticides, due to the lack...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/06A01P7/04A01N43/707
Inventor 门兴元李丽莉夏小菊于毅孙廷林张安盛庄乾营周仙红翟一凡
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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