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Pesticide and its preparation for controlling fungal and bacterial diseases of crops

A bacterial and pesticide technology, applied in the field of pesticides, can solve the problems of poor long-term use effect, drug resistance of diseases, single ingredients, etc., and achieve the effect of overcoming and bacterial drug resistance, no three wastes, and small dosage

Active Publication Date: 2017-04-12
陕西康禾立丰生物科技药业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current pesticides cannot meet the national requirements for residues, causing environmental pollution
And many ingredients are single, the drug effect is insufficient, it is easy to make the disease resistant to drugs, and the long-term use effect is not good

Method used

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  • Pesticide and its preparation for controlling fungal and bacterial diseases of crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Proportion and production process of 30% boscalid water-dispersible granules

[0024] The following ingredients are included in terms of weight percentage: boscalid 30%, dispersant (sodium methylene bis-naphthalene sulfonate) 3%, wetting agent (sodium dodecyl sulfonate) 2%, disintegrant (ammonium sulfate ) 1%, binder (xanthan gum) 1%, filler (kaolin) to make up.

[0025] Boscalid original drug, dispersant, wetting agent, disintegrating agent, filler, etc. are mixed together, jet milled to obtain a particle size of about 500 mesh, and then a binder is added for mixing to obtain a granulation material. Quantitatively send the material into the fluidized bed granulation dryer for granulation and drying to obtain 30% boscalid water-dispersible granules. After the analysis is qualified, the whole production process will be completed by packaging.

Embodiment 2

[0027] The formula and process of 40% boscalid suspension concentrate are as follows

[0028] The following ingredients are included in terms of weight percentage: 40% boscalid, 12% dispersant (sodium methylene bis-naphthalene sulfonate), 10% wetting agent (sodium dodecyl sulfonate), defoamer (organic silicon ) 0.5%, thickener (xanthan gum) 0.01%, antifreeze (ethylene glycol) 0.01%, deionized water balance.

[0029] Mix the dispersant, wetting agent, defoamer, thickener, and antifreeze in the above formula evenly through high-speed shearing, add the original drug of boscalid, and mill in a ball mill for 2 to 3 hours to make the particle size completely Below 5 μm, the product of boscalid suspension concentrate is prepared, and the whole production process is completed after the analysis is qualified and repacked.

Embodiment 3

[0031] Proportion and production process of 40% boscalid wettable powder

[0032] It includes the following components in terms of weight percentage: 40% boscalid, 5% dispersant (sodium methylene bis-naphthalene sulfonate), 4% wetting agent (sodium dodecyl sulfonate), and supplementary filler (kaolin).

[0033] Mix the original drug of boscalid with dispersant, wetting agent, disintegrating agent, filler, etc., and jet mill to obtain a particle size of about 500 mesh, and then perform secondary mixing to obtain 40% boscalid wettability Powder products. After the analysis is qualified, the whole production process will be completed by packaging.

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Abstract

The invention provides a pesticide for preventing and treating fungous and bacterial diseases of crop. The pesticide comprises boscalid with a mass fraction of 1-80% and a pesticide-acceptable auxiliary agent combination, or comprises the boscalid, pyraclostrobin and the pesticide-acceptable auxiliary agent combination, wherein a mass ratio of the boscalid to the pyraclostrobin is 25:5. The invention further provides a method for preparing the pesticide into products such as wettable powder, a water dispersible granule and a suspending agent. The pesticide has a significant effect on preventing and treating the fungous and bacterial diseases, is environment-friendly and low in pesticide use cost and has a good sterilizing effect; environmental pollution and pesticide residues are reduced; the pesticide resistance of pathogenic bacteria is overcome and delayed; and the pesticide is simple in production technique, convenient to use, wide in application scope, good in effect, low in cost and low in residue, has no three wastes, has effects of small dosage, rain-wash resistance and obvious synergism, and is safe to people, livestock, an environment and the like.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a pesticide for preventing and treating fungal and bacterial diseases of crops and its preparation. Background technique [0002] In flowers, fruit trees, rapeseed, vegetables or field crops, fungal and bacterial diseases such as powdery mildew, gray mold, rice blast, various rots, brown rot and root rot are very serious, resulting in crop yield reduction or even No harvest. Most of the current pesticides cannot meet the national requirements for residues, causing environmental pollution. And many components are single, and drug effect is insufficient, easily makes disease produce drug resistance, and long-term use effect is not good. Contents of the invention [0003] In order to overcome the above-mentioned shortcoming of the prior art, the object of the present invention is to provide a kind of pesticide and its preparation for preventing and treating crop fungus and ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/40A01N47/24A01P1/00A01P3/00
Inventor 夏宝成赵商洛刘红巧孙会
Owner 陕西康禾立丰生物科技药业有限公司
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