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Caricidal composition containing bromopropylate and diafenthiuron

A technology of bromodifen and a composition, applied in the field of pesticide compositions, can solve the problems of high prevention cost, easy generation of drug resistance and the like

Inactive Publication Date: 2009-03-11
张少武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Mites, commonly known as red spiders, are a serious hazard in agriculture. The conventional pesticides currently used for prevention and control are prone to resistance due to repeated use, and the cost of prevention is also high;

Method used

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  • Caricidal composition containing bromopropylate and diafenthiuron
  • Caricidal composition containing bromopropylate and diafenthiuron
  • Caricidal composition containing bromopropylate and diafenthiuron

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0033] a), select raw materials according to the formula of bromofen-methyl and diafenthiuron mixed preparation.

[0034] b) According to all preparations are mixed and stirred, bromofen-methyl and diafenthiuron are added while stirring.

[0035] c), after stirring evenly, add the above mixture to the sand mill type for sand milling;

[0036] d), sand milling for 2-3 hours to make the above mixture reach the required granules to obtain bromofen-methyl and diafenthiuron suspension concentrate;

Embodiment 1

[0037] Example 1 50% bromofen-diafenthiuron suspension concentrate

[0038] The content of each component (by weight) is 40% of the original drug of bromofen, 10% of the original drug of diafenthiuron, 4% of the wetting and dispersing agent alkylphenol polyoxyethylene ether formaldehyde condensate phosphate, alkyl naphthalene Formaldehyde condensate sulfonate 2%, thickener xanthan gum 0.3%, polyvinyl alcohol 0.2%, add deionization to 100%. Mix and stir all the materials, after stirring evenly, put the materials into a sand mill for sand milling, and after sand milling for 2 to 3 hours, make the materials meet the required granules to obtain 50% bromofen-diafenthiuron suspension concentrate. After inspection, the content of active ingredients is qualified, the suspension rate is 95%, and the sieving (passing through a 75um sieve) is 99.3%. The long-lasting foaming property (1min) is 20L. The residue after pouring is 3.6%, and the residue after washing is 0.3%. The stability of ...

Embodiment 2

[0039] Example 2 35% bromofen-diafenthiuron suspension concentrate

[0040] The content of each component (by weight) is 20% of the original drug of bromofen, 15% of the original drug of diafenthiuron, 3% of the polyoxyethylene polyoxypropylene ether block copolymer of the wetting and dispersing agent, and 3% of the alkyl naphthalene formaldehyde Condensate sulfonate 2%, thickener xanthan gum 0.3%, polyvinyl alcohol 0.2%, stabilizer sodium benzoate 0.3%, antifreeze agent ethylene glycol 4%, silicone defoamer 0.2%, add deionized water to 100%. Mix and stir all the materials, after stirring evenly, put the materials into a sand mill for sand milling, and after sand milling for 2-3 hours, make the materials meet the required granules to obtain 35% bromofen-diafenthiuron suspension concentrate. After inspection, the content of active ingredients is qualified, the suspension rate is 95%, the sieving (passing through a 75um sieve) is 99.3%, the persistent foaming property (1min) is...

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Abstract

The invention discloses a miticide composite containing fenisobromolate and diafenthiuron, and relates to a pesticide composite, in particular to the pesticide composite used for killing acarids agriculturally. The active ingredient of the pesticide composite used for killing acarids is the mixture of the fenisobromolate and the diafenthiuron. The weight ratio between the fenisobromolate and the diafenthiuron is 1:10 or 10:1, the weight percentage of the active ingredient is 1-80%, and suspending agent can be prepared by adopting the method of universal preparation according to the actual needs. The fenisobromolate and the diafenthiuron are selected as the active ingredients of the miticide composite, the formulation is reasonable, so that the deficiencies of strong fastness of diafenthiuron, high controlling cost caused by a large quantity of usage and low acaricidalactivity of the fenisobromolate are made up, and the synergy is remarkable. The experiments proves that the miticide composite can quickly kill the acarids, the effects can last for a long time, the yield and quality of the crops are guaranteed while the controlling effect is ensured, and the miticide composite can meet the needs of agricultural industry at present.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to an acaricidal composition containing bromofen-methyl and diafenthiuron used in agriculture. Background technique [0002] Mites, commonly known as red spiders, are a serious hazard in agriculture. The conventional pesticides currently used for prevention and control are prone to resistance due to repeated use, and the cost of prevention is also high; [0003] Bromopropylate, (bromopropylate) chemical name: 4,4'-dibromobenzoic acid isopropyl ester, structural formula is: [0004] [0005] The compound is an acaricide with broad acaricidal spectrum, long duration, low toxicity and relatively safe to natural enemies, bees and crops. Strong contact, non-systemic, have a certain killing effect on adults, nymphs and eggs. Temperature changes have little effect on efficacy. The drug is suitable for crops such as cotton, fruit trees, vegetables and tea, and can prevent and control various...

Claims

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Application Information

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IPC IPC(8): A01N37/36A01N47/30A01N25/04A01P7/02
Inventor 张少武
Owner 张少武
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