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Potentiating pesticidal composite containing pymetrozine and application thereof

The technology of an insecticidal composition and pymetrozine, which is applied in the field of pesticides, can solve the problems of declining control effect and the like, and achieve the effects of long lasting effect, good quick effect and good control effect.

Inactive Publication Date: 2010-02-24
梁龙华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of agricultural production, fenvalerate has high insecticidal activity, and after many years of use, many pests have developed resistance to it, resulting in a decline in control efficiency

Method used

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  • Potentiating pesticidal composite containing pymetrozine and application thereof
  • Potentiating pesticidal composite containing pymetrozine and application thereof
  • Potentiating pesticidal composite containing pymetrozine and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] Embodiment 1: 50.5% emulsifiable concentrate (EC)

[0072] Pymetrozine 0.5%

[0073] Banprocarb 50%

[0074] Farm Milk 1601 # 5%

[0075] Xylene make up to 100%

[0076] Add xylene to the mixing kettle first, Nongru 1601 # (tristyrylphenol-polyoxypropylene-polyoxyethylene block copolymer), then add pymetrozine and propiocarb and mix thoroughly to make an emulsifiable concentrate, which is diluted with water to the required concentration before use.

Embodiment 2

[0077] Example 2: 35% Emulsion in Water (EW)

[0078] Pymetrozine 5%

[0079] Banprocarb 30%

[0080] D425 2%

[0081] Farm Milk 1601 # 4%

[0082] Propylene Glycol 4%

[0083] Distilled water to make up to 100%

[0084] Using a high-shear mixing kettle, add distilled water, propylene glycol, D425, and Nongru 1601 in sequence # , the active ingredients pymetrozine and busicarb, shear and mix until they pass the test to form a water emulsion, and dilute with water to form a liquid medicine of the required concentration before use.

Embodiment 3

[0085] Example 3: 55% wettable powder (WP)

[0086] Pymetrozine 40%

[0087] Banprocarb 15%

[0088] Silica 5%

[0089] Lignosulfonate 5%

[0090] Diffuser NNO 3%

[0091] Sodium Lauryl Sulfate 1%

[0092] Attapulgite make up to 100%

[0093] Budicarb is first adsorbed with white carbon black, pymetrozine and other components are pulverized by a jet mill, and after secondary mixing, it is formulated into a wettable powder. Before use, dilute with water to the required concentration of liquid medicine.

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Abstract

The invention discloses a potentiating pesticidal composite containing pymetrozine and an application thereof. The composite comprises two active ingredients: a) a first active ingredient is pymetrozine; and b) a second active ingredient is mixture-xylyl-n-methyl carbamate, fenobucarb or fenvalerate, wherein the mass ratio of the first active ingredient and the second active ingredient is 0.5-40:2-50. The composite of the invention can be used for preparing pesticide for preventing hmiptera pest, and particularly for preparing pesticide for preventing rice planthopper and aphid. Compared withthe prior art, the invention has reasonable component proportion, good preventing effect on hmiptera pest, particular significant preventing effect on resistant rice planthopper and aphid, low pesticide cost, difficult resistance generation of pest, good quick action and long persistence.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a synergistic insecticidal composition containing pymetrozine and an application thereof. Background technique [0002] Pymetrozine, alias: pyrazinone, chemical name: 4,5-dihydro-6-methyl-4-(3-pyridinemethyleneamino)-1,2,4-3(2H) - Ketone, molecular formula: C 10 h 11 N 5 O, belonging to a new type of pyridine heterocyclic insecticides. This new type of insecticide has high efficiency, low toxicity, and is environmentally friendly, which is in line with the current development direction of pesticides. Moreover, the insecticide has a unique mode of action, has no knock-down activity, and will not cause direct toxicity to insects. Once the insects come into contact with the agent, they will stop feeding immediately. Even if resistance to organophosphorus and carbamate insecticides has developed, pymetrozine still has a unique control effect on piercing-sucking mo...

Claims

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Application Information

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IPC IPC(8): A01N47/22A01N43/707A01N37/38A01P7/04
Inventor 梁龙华
Owner 梁龙华
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