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Compound pesticide for controlling apple yellow aphid and preparation method thereof

A technology for apple yellow aphid and pesticide, which is applied in the field of compound pesticides for preventing and controlling apple yellow aphid and its preparation, can solve the problems of increased insecticide resistance, environmental pollution, harm to natural enemies, etc. The effect of delaying resistance

Active Publication Date: 2017-08-11
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 controlling apple yellow aphid and preparation method thereof
  • Compound pesticide for controlling apple yellow aphid 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 malathion, 6% of hypertonic agent, 13% of emulsifier, 30% of solvent, auxiliary Solvent 11%.

[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 malathion after the original drug of pymetrozine is dissolved, and stir until malathion Add the hypertonic agent after the sulfur phosphorus is dissolved, 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 0201, 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...

Embodiment 2

[0030] A compound pesticide for preventing and controlling apple yellow aphid. The raw materials are composed of 15% of pymetrozine, 30% of malathion, 4% of hypertonic agent, 11% of emulsifier, 35% of solvent and co-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 malathion after the original drug of pymetrozine is dissolved, and stir until malathion Add the hypertonic agent after the sulfur phosphorus is dissolved, 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 300, 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 with reference ...

Embodiment 3

[0037] A compound pesticide for preventing and controlling apple yellow aphid. The raw materials are composed of 25% of pymetrozine, 25% of malathion, 3% of hypertonic agent, 7% of emulsifier, 30% of solvent and co-solvent 10%.

[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 malathion after the original drug of pymetrozine is dissolved, and stir until malathion Add the hypertonic agent after the sulfur phosphorus is dissolved, add the remaining amount of solvent, mix and shake well, and obtain a uniform and transparent mixed preparation. The emulsifier described in this example is Nongru 500, the solvent is glycerol, and the co-solvent is acetone.

[0041] The compound pesticide prepared above was used for the control of apple yellow aphid with reference to NY / T 1154.5-2006, an...

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Abstract

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. The present invention uses pymetrozine and malathion as active ingredients to prepare compound pesticides, realizes the complementary advantages of pymetrozine and malathion, and not only exerts the long residual effect period of pymetrozine, but also the quick-acting effect of malathion. This feature is good, and the shortcoming of malathion without systemicity is overcome. The drug effect is significantly improved, and there is obvious synergistic effect. The longevity of old varieties, the role of reducing costs and environmental pollution.

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 Patents(China)
IPC IPC(8): A01N57/12A01N25/00A01P7/04A01N43/707
Inventor 门兴元李丽莉夏小菊于毅张安盛庄乾营周仙红翟一凡
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI