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Pyrimorph-containing bactericide composition

A technology containing pyrimorph and pyrimorph, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of decreased drug efficacy and resistance, and achieves low toxicity of preparations, crop safety, and effective The effect of site increase

Inactive Publication Date: 2010-03-17
陕西皇牌作物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the objects of the present invention is to provide a bactericidal composition with good bactericidal effect, low drug cost and comprehensive mode of action, so as to solve the problems of resistance generation and drug efficacy decline that may be caused by the use of a single dose of fenpyroline

Method used

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  • Pyrimorph-containing bactericide composition
  • Pyrimorph-containing bactericide composition
  • Pyrimorph-containing bactericide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Formulation example 1 30% pyrimorph · metalaxyl water dispersible granules

[0027] Weigh 22% of pyrimorph, 8% of metalaxyl, 5.0% of pyrrolidone polymer, 7.2% of alkylphenol polyoxyethylene ether, 6% of naphthalenesulfonic acid formaldehyde polymer, 1.0% of defoamer, ethyl cellulose 5%, kaolin topped up to 100%. The above raw materials are conventionally mixed, pulverized by ultrafine airflow, extruded and granulated through a sieve with a certain aperture, dried and sieved to make water-dispersible granules.

Embodiment 2

[0028] Formulation example 2 69% pyrimorph · manganese zinc water dispersible granules

[0029] Weigh 9% of pyrimorph, mancozeb 60%, naphthalenesulfonic acid formaldehyde polymer 10%, alkylphenol polyoxyethylene ether 8.2%, binder CMC 2.0%, pyrrolidone polymer 5.0%, disinfectant Foaming agent 1.0%, kaolin supplemented to 100%. The above raw materials are conventionally mixed, pulverized by ultrafine airflow, extruded and granulated through a sieve with a certain aperture, dried and sieved to make water-dispersible granules.

Embodiment 3

[0030] Formulation Example 3 30% fenpyrroline manganese zinc suspension concentrate

[0031] Weigh 10% of pyrimorph, mancozeb 20%, TERSPERSE 4894 4%, TERSPERSE2500 2%, xanthan gum 0.3%, propylene glycol 5%, 0.5% benzoic acid, defoamer 1.0%, deionized water to make up to 100%. The above-mentioned raw materials are mixed, put into a high-speed shearing device and sheared for 30 minutes, and sand-milled with a sand mill to obtain 30% pyrimorph-mancozeb suspension concentrate.

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Abstract

The invention discloses a pyrimorph-containing bactericide composition. The bactericide composition is characterized in that effective constituents are pyrimorph (A) and one (B) of trimanin, chlorthalonil, metalaxyl-M, metalaxyl and fosetyl-aluminium at a weight ratio of 1:90-90:1. The effective constituents A and B of the composition are combined rationally, and have advantages of obvious synergic action, protective and therapeutic actions, excellent quick efficiency and long duration. The composition solves problems of single action site, large use amount and easily forming drug resistance in use of a single bactericide, meanwhile, the composition reduces risk of chemical injury due to excessive single bactericide and can be widely applied to control of vegetable downy mildew, epidemic disease and downy mildew of fruit trees.

Description

technical field [0001] The invention relates to a bactericidal composition and application thereof, in particular to a bactericidal composition containing fenpyroline and the application thereof, and belongs to the technical field of pesticide compounding. Background technique [0002] Plant pathogens such as Phytophthora infestans, Phytophthoracapsici, Rhizoctonia solani and Pseudoperonospora cubensis can cause downy mildew and blight of fruits and vegetables. Occurs widely in all parts of the country, and can cause a 10% to 30% reduction in vegetable production, and can reach 80% in severe cases, or even extinction. At present, mancozeb, dimethomorph, propamocarb, and aluminum triethylphosphonate are mainly used to prevent and control such diseases. However, with the enhancement of pathogen resistance, the control effect of these compounds is declining year by year, which not only causes farmers The high cost of drug use brings great losses to agricultural production, and...

Claims

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Application Information

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IPC IPC(8): A01N57/12A01N43/84A01N47/14A01N37/34A01N37/46A01P3/00
Inventor 蒋启银张承来曹明章周超爱陈燎
Owner 陕西皇牌作物科技有限公司
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