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Sterilization composition, preparation and application of preparation

A composition and preparation technology, which is applied in the field of bactericidal composition and preparation and its application, can solve the problems of aggravating environmental pollution, increasing the cost of prevention and control, and increasing the dosage of chemicals, so as to achieve environmental friendliness, save the cost of prevention and control, and improve the efficacy of medicine. Effect

Active Publication Date: 2014-12-24
SINO AGRI LEADING BIOSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has a very high control effect on oomycete diseases such as downy mildew and blight and root rot of rapeseed, and has a high control effect on bacteria resistant to existing chemicals such as propamocarb, metalaxyl, and azoxystrobin. However, its price is relatively expensive, and users cannot bear the high cost of use. Moreover, long-term use of a single agent can easily cause bacteria to develop resistance and increase the dosage of agents, which not only increases the cost of prevention and control, but also aggravates environmental pollution.

Method used

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  • Sterilization composition, preparation and application of preparation
  • Sterilization composition, preparation and application of preparation
  • Sterilization composition, preparation and application of preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 The combination of Cyazofamid and chlorothalonil and the combination of Cyazofamid, chlorothalonil and synergist against Cucumber downy mildew indoor joint toxicity test

[0034] 1. Purpose of the test: This test adopts the method of the agricultural industry standard NY / T1156.7-2006 of the People's Republic of China to determine the combined toxicity of Cyazofamid and Chrysobacteria list agent and their combined toxicity to cucumber downy mildew in different mixing ratios. , also determined the combined toxicity of Cyazofamid, chlorothalonil and synergist to cucumber downy mildew.

[0035] 2 Test conditions:

[0036] 2.1 Target bacteria for testing: Cucumber downy mildew (Pseudoperonosporacubensis) was collected from Qingkou, Fuqing City, Fujian Province.

[0037] Cucumber downy mildew (Pseudoperonosporacubensis) used in the following examples, reference: Wang Yan, Indoor resistance risk assessment of cucumber downy mildew to enotristrobin and molecular dete...

Embodiment 2

[0084] Example 2 10% Cyanozole Chlorothalonil Suspension Concentrate

[0085] The mass ratio of Cyazofamid to Chlorothalonil is 1:1, and the content is 10% (purified), the sum of the quality of the synergist fatty alcohol ethoxylate Emulsogen LCN070 and the quality of Cyazofamid and Chlorothalonil The ratio is 1:10, wetting agent sodium lauryl sulfate EMAL 30N-S is 1%, dispersant Soprophor SC is 3%, ethylene glycol is 3%, xanthan gum is 0.3%, preservative sodium benzoate is 0.3% , Defoamer silicone is 0.5%, and deionized water makes up the balance.

[0086] According to the above proportions, weigh other components except xanthan gum and appropriate amount of deionized water in each component, mix them evenly, and grind them with a sand mill to obtain a base material with a particle size below 1 μm, then add the pre-prepared xanthan gum solution, mixed evenly to obtain a suspension. Product testing is carried out in accordance with the quality control indicators of the suspe...

Embodiment 3

[0088] Example 3 30% Cyazofamida Chlorothalonil Suspension Concentrate

[0089] The mass ratio of Cyazofamid to Chlorothalonil is 1:6, and the content is 30% (purified). And the ratio is 1:10, the wetting agent is sodium dodecylbenzenesulfonate 3%, the dosage of dispersant Tersperse 2700 is 5%, ethylene glycol 5%, xanthan gum 0.2%, preservative sorbic acid 0.2 %, defoamer tributyl phosphate is 0.5%, and deionized water makes up the balance.

[0090] According to the above proportions, weigh other components except xanthan gum and appropriate amount of deionized water in each component, mix them evenly, and grind them with a sand mill to obtain a base material with a particle size below 1 μm, then add the pre-prepared xanthan gum solution, mixed evenly to obtain a suspension.

[0091] The specific measurement results are: the content of Cyazofamid is 4.32%, the content of chlorothalonil is 25.79%, the persistent foaming property is qualified (25ml), the pH value is 7.8, the s...

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Abstract

The invention discloses sterilization composition, a preparation and an application of the preparation. The sterilization composition consists of cyazofamid, chlorothalonil and a synergist, wherein the mass ratio of the cyazofamid to the chlorothalonil is in a range of 1:(1-12.5), and the ratio of the mass of the synergist to the sum of the mass of the cyazofamid and the mass of the chlorothalonil is in a range of (1-3):10. The mass percentage of the sterilization composition in the preparation is in a range of 10%-60%, and the preparation also comprises substances in percentage by mass as follows: 1%-3% of a wetting agent, 1%-5% of a dispersing agent, agriculturally acceptable antifoaming agents and the like and the balance of water. A preparation method of the preparation comprises steps as follows: all the components are evenly mixed and dispersed and ground by a sand mill to obtain a base material with the particle size smaller than or equal to 1 mu m, and a thickener solution is added in the base material to obtain the preparation. The cyazofamid and chlorothalonil suspending agent is free of dust pollution and package pollution, environment-friendly and good in storage stability and has good control effects on crop diseases, particularly cucumber downy mildew.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicide composition and preparation and applications thereof. Background technique [0002] Crop downy mildew is very harmful to crops. For example: cucumber downy mildew is one of the important diseases in cucumber production. economic loss. At present, the medicaments mainly used to treat cucumber downy mildew are metalaxyl, propamocarb, cymoxanil, chlorothalonil, etc. Due to the long-term continuous use of these fungicides, the occurrence of resistance has been quite serious, so new ones are urgently needed Alternative varieties. Cyazofamida was the first fungicide to act at the site of the mitochondrial electron transport complex. It has a very high control effect on oomycete diseases such as downy mildew and blight and root rot of rapeseed, and has a high control effect on bacteria resistant to existing chemicals such as propamocarb, metalaxyl, and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/50A01N25/04A01P3/00A01N37/34
Inventor 张小军郭勇飞李彦飞
Owner SINO AGRI LEADING BIOSCI