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Agricultural bactericide composition containing silthiopham and triazole fungicide

A technology of silthiofacillin and triazoles, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of ineffectiveness, reduction of drug control effect, variation, etc., achieve high bactericidal activity and weaken the generation of resistance , the effect of novel structure

Inactive Publication Date: 2013-05-29
JILIN BADA PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When silthiofacillin is used as a single agent, the bacteria will produce adaptive variation to the agent, which will reduce or even ineffective the control effect of the agent

Method used

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  • Agricultural bactericide composition containing silthiopham and triazole fungicide
  • Agricultural bactericide composition containing silthiopham and triazole fungicide
  • Agricultural bactericide composition containing silthiopham and triazole fungicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] 41.0% (w / w) silthiazin·tebuconazole suspension seed coating:

[0047] Silthiocarb 40.0%,

[0048] Tebuconazole 1.0 %,

[0049] Silicone defoamer 0.1%,

[0050] Calcium dodecylbenzenesulfonate 5.0%,

[0051] HYJ xanthan gum 0.1%,

[0052] Ethylene Glycol 5.0%,

[0053] Warning color 0.5%,

[0054] Water 48.3%.

[0055] The structural formulas of silthiocarb and tebuconazole are as described above.

[0056] The various components are mixed together, stirred for 15 minutes, sheared for 15 minutes, and ground for 150 minutes in a sand mill at 30°C until the particle size of the active ingredient is less than 3 μm.

Embodiment 2

[0058] 41% (w / w) silthiazil · diniconazole wettable powder:

[0059] Silthiocarb 1.0%,

[0060] Diniconazole 40.0%,

[0061] Sodium Lauryl Sulfate 0.5%,

[0062] Sodium lignosulfonate 1.0%,

[0063] NNO 0.5%,

[0064] White carbon black 10.0%,

[0065] Diatomaceous earth or other fillers 47.0%.

[0066] The structural formulas of silthiocarb and diniconazole are as described above.

[0067] Put various materials into the coulter mixer in turn, mix evenly, and then pulverize with a jet mill until the particle size of the active ingredient is less than 45 μm.

Embodiment 3

[0069] Preparation of 21.0% (w / w) silthiazil · epoxiconazole water dispersible granules

[0070] Silthiocarb 20.0%,

[0071] Epoxiconazole 1.0%,

[0072] Sodium Lauryl Sulfate 1.0%,

[0073] WG4 4.0%,

[0074] Polyvinyl alcohol 1.0%,

[0075] White carbon black 5.0%,

[0076] Diatomaceous earth 68.0%.

[0077] The structural formulas of silthiazil and epoxiconazole are as described above.

[0078] Mix all components in the formula evenly in a coulter mixer, and pulverize them into powder through an ultra-fine jet mill to obtain a fine powder of 800 mesh to 1000 mesh, and add the aqueous solution of the fine powder and the binder into the mixer and mix. Uniform, granulated with an extrusion granulator, and dried at a low temperature of 50°C-100°C to obtain the product.

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Abstract

The invention provides an agricultural bactericide composition containing silthiopham and a triazole fungicide. The agricultural bactericide composition contains the silthiopham and a compound selected from the triazole fungicide in a weight ratio from 1: 40 to 40: 1. The two types of bactericides with different action mechanisms, namely the silthiopham and the triazole fungicide with the good intake transportation performance, are mixed to reduce the generation of resistance to the silthiopham by pathogenic bacteria and avoid the condition that a pesticide effect is reduced due to the resistance. Meanwhile, different fungicides in the composition have a synergistic interaction effect so that the control efficiency to diseases by the composition disclosed by the invention is obviously improved. With regard to the compositions with all the weight ratios, the observed efficiency of the composition disclosed by the invention is higher than the efficiency predicated by a Colby formula by 23.21-54.97%. The agricultural bactericide composition is suitable for preventing and treating fungal diseases of various plants including wheat, fruit trees, grains, rice, vegetables, lawns, flowers and plants, tropical crops and the like.

Description

[0001] technical field [0002] The invention belongs to the field of agricultural chemical fungicides, in particular to an agricultural fungicide composition containing silthiocarb and triazole fungicides. Background technique [0003] Sithiopyram, the chemical name is N-allyl-4,5-dimethyl-2-(trimethylsilyl)thiophene-3-carboxamide, and its structural formula is as follows: [0004] [0005] Physicochemical properties of silthiocarb: white granular solid with a melting point of 86.1-88.3°C and a solubility in water (20°C) of 35.3mg / L. Toxicity: Rat acute oral LD50>5000mg / kg; Rat acute percutaneous LD50>5000mg / kg. This product is non-irritating to rabbit eyes and skin. Ames test and mouse micronucleus test were negative. Action mechanism and characteristics The specific action mechanism is not clear, and it is different from the action mechanism of triazoles and methoxyacrylates. Studies have shown it to be an energy inhibitor: possibly an ATP inhibitor. It has ...

Claims

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Application Information

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IPC IPC(8): A01N55/10A01N43/653A01P3/00
Inventor 孙永吉张荣宝李占鳌
Owner JILIN BADA PESTICIDE
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