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Water dispersible granule containing bifenthrin and fluxapyroxad, and preparation method and application thereof

A technology of flubifen and bifenthrin, which is applied in the field of water-dispersible granules, can solve the problems of difficult dispersion of active ingredients and poor stability, and achieve improved insecticidal and disease prevention effects, good stability, and good The effect of the synergistic effect

Inactive Publication Date: 2021-06-11
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to adapt to the actual requirements of agricultural production, the invention provides a water-dispersible granule containing bifenthrin and fluflufen, which is formulated with bifenthrin and fluflufen As an active ingredient, it can kill both diseases and insects. In addition, through the selection of various adjuvants, it solves the problems that the active ingredients of the water-dispersible granules are not easy to disperse and have poor stability when used.

Method used

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  • Water dispersible granule containing bifenthrin and fluxapyroxad, and preparation method and application thereof
  • Water dispersible granule containing bifenthrin and fluxapyroxad, and preparation method and application thereof
  • Water dispersible granule containing bifenthrin and fluxapyroxad, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 120

[0025] Example 1 20% bifenthrin · fluflufen water dispersible granules

[0026] The formula is: bifenthrin 15%, fluflufen 5%, dispersant polyacrylic acid sodium salt 4%, sodium lignosulfonate 4%, wetting agent pull-off powder BX1.5%, alkylphenol poly Oxyethylene ether sodium sulfate 1.5%, disintegrant sodium sulfate 10%, ammonium sulfate 10%, filler is mixed with talcum powder and kaolin at a mass ratio of 1:1 to 100%.

[0027] The preparation method is as follows: mix the original drug, dispersant, wetting agent, disintegrating agent, and filler in a mixer evenly, and pulverize it to a particle size of 20-40 μm by a jet mill, kneading and adding water amount to 20wt% of the material, and carry out Extruded to granulate, dried at 40-50°C to obtain the product.

Embodiment 235

[0028] Example 2 35% bifenthrin · fluflufen water dispersible granules

[0029] The formula is: bifenthrin 30%, fluflufen 5.0%, dispersant polyacrylic acid sodium salt 2.5%, sodium lignosulfonate 5.5%, wetting agent pull-off powder BX1.5%, alkylphenol poly Oxyethylene ether sodium sulfate 1.5%, disintegrant sodium sulfate 10%, ammonium sulfate 10%, filler is mixed with talcum powder and kaolin at a mass ratio of 1:1 to 100%. The preparation method is the same as in Example 1.

Embodiment 340

[0030] Example 3 40% bifenthrin · fluflufen water dispersible granules

[0031] The formula is: bifenthrin 30%, fluflufen 10%, dispersant polyacrylic acid sodium salt 2%, sodium lignosulfonate 6%, wetting agent pull-off powder BX1.5%, alkylphenol poly Oxyethylene ether sodium sulfate 1.5%, disintegrant sodium sulfate 10%, ammonium sulfate 10%, filler is talcum powder and kaolin at a mass ratio of 1:1.5 to 100%. The preparation method is the same as in Example 1.

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Abstract

The invention discloses a water dispersible granule containing bifenthrin and fluxapyroxad, and a preparation method and application thereof. The water dispersible granule is prepared from, by weight, 15 to 40 percent of bifenthrin, 5 to 20 percent of fluxapyroxad, 5 to 10 percent of a dispersing agent, 2 to 6 percent of a wetting agent, 5 to 30 percent of disintegrating agent, and the balance of filler. The bifenthrin and the fluxapyroxad are compounded and prepared into the water dispersible granule, and the water dispersible granule has the advantages of being convenient to use, free of dust flying, safe, low in toxicity and the like, has the effect on pests such as flea beetles, whiteflies, peach fruit moths, leaf miners, spider mites, elephant beetles and leaf beetles, has good insecticidal and disease-preventing effects on various diseases such as wheat sharp eyespot, rice sheath blight disease, sclerotinia rot of colza, wheat smut, potato black scurf, corn southern leaf blight, corn head smut, soybean rust disease, soybean powdery mildew, cotton damping off and the like, and has obviously better insecticidal and disease-preventing effects than single dosages of bifenthrin and fluxapyroxad.

Description

technical field [0001] The invention relates to a water-dispersible granule, in particular to a water-dispersible granule containing bifenthrin and fluflufen, a preparation method and application thereof, and belongs to the technical field of chemical pesticides. Background technique [0002] Bifenthrin, English name: Bifenthrin, chemical name: Methylbiphenyl-3-ylmethyl (Z) (1RS, 3RS) 3-(2-chloro-3,3,3-trifluoropropane-1 -Alkenyl)-2,2-dimethylcyclopropanecarboxylate, which belongs to pyrethroid insecticide and acaricide. Bifenthrin has the characteristics of strong knockdown effect, broad spectrum, high efficiency, rapidity, and long residual effect. It mainly has contact killing effect and gastric toxicity, and has no systemic effect. It is suitable for cotton, fruit trees, vegetables, tea and other crops , can be used to control cotton bollworm, pink bollworm, tea geometrid, tea caterpillar, apple or hawthorn red spider, peach small borer, cabbage aphid, cabbage caterpill...

Claims

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Application Information

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IPC IPC(8): A01N53/10A01N43/56A01N25/04A01P3/00A01P7/04A01P1/00
CPCA01N25/04A01N43/56A01N53/00
Inventor 袁良国李志清王松莹王建伟孙鹏
Owner SHANDONG WEIFANG RAINBOW CHEM
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