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Bactericidal composition containing isotianil and osthole

A technology of osthole and isotianil, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of general bactericidal effect, affecting rice yield, and rising rice planting costs

Pending Publication Date: 2021-08-10
安徽润农腾辉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The bactericidal effect of the existing bactericidal composition is average, and the disease probability of rice is still high after use, which affects the yield of rice, and a large amount of auxin needs to be applied during the planting process, which increases the cost of rice planting

Method used

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  • Bactericidal composition containing isotianil and osthole
  • Bactericidal composition containing isotianil and osthole
  • Bactericidal composition containing isotianil and osthole

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A bactericidal composition containing Isotianil and osthole, comprising the following raw materials in weight percentage: 1% Isotianil, 0.1% osthole, 5% bactericidal auxiliary agent, phenylphenol polyoxyethyl ether phosphoric acid Add 10% ester, 1% ethanol, 1% polyethylene glycol, 0.9% silicone defoamer, and deionized water to 100%.

[0031] Described bactericidal auxiliary agent is made by following steps:

[0032] Step A1: Add methyl 1,2,4-triazole-3-carboxylate, potassium carbonate, and ethyl acetate into the reaction kettle, stir at a speed of 150r / min and add 1-chloro-3, 3,-Dimethyl-2-butanone was refluxed for 4 hours at a temperature of 60°C to obtain Intermediate 1, and Intermediate 1, aqueous sodium hydroxide solution, and methanol were added to the reaction kettle, and the Under the conditions of 200r / min and 35°C, the reaction was carried out for 1h, and the pH value of the reaction solution was adjusted to be neutral at room temperature to obtain intermediat...

Embodiment 2

[0037] A bactericidal composition containing Isotianil and osthole, comprising the following raw materials in weight percentage: 25% Isotianil, 8% osthole, 8% bactericidal auxiliary agent, phenylphenol polyoxyethyl ether phosphoric acid Add 10% ester, 1% ethanol, 1% polyethylene glycol, 0.9% silicone defoamer, and deionized water to 100%.

[0038] Described bactericidal auxiliary agent is made by following steps:

[0039] Step A1: Add methyl 1,2,4-triazole-3-carboxylate, potassium carbonate, and ethyl acetate into the reaction kettle, stir at a speed of 150r / min and add 1-chloro-3, 3,-Dimethyl-2-butanone was refluxed for 4 hours at a temperature of 65°C to obtain Intermediate 1, and Intermediate 1, aqueous sodium hydroxide solution, and methanol were added to the reaction kettle, and the Under the conditions of 300r / min and 35°C, the reaction was carried out for 2 hours, and the pH value of the reaction solution was adjusted to be neutral at room temperature to obtain interme...

Embodiment 3

[0044] A bactericidal composition containing Isotianil and osthole, comprising the following raw materials in weight percentage: 50% Isotianil, 10% osthole, 10% bactericidal auxiliary agent, 3% pull-off powder BX, 5% propylene glycol %, deionized water added to 100%.

[0045] Described bactericidal auxiliary agent is made by following steps:

[0046] Step A1: Add methyl 1,2,4-triazole-3-carboxylate, potassium carbonate, and ethyl acetate into the reactor, stir at a speed of 200r / min and add 1-chloro-3, 3,-Dimethyl-2-butanone was refluxed for 6 hours at a temperature of 65°C to obtain Intermediate 1, and Intermediate 1, aqueous sodium hydroxide solution, and methanol were added to the reaction kettle, and the 300r / min, under the condition of 40°C, react for 2h, lower to room temperature and adjust the pH value of the reaction solution to be neutral to obtain intermediate 2, intermediate 2, ethylenediamine, dimethyl sulfoxide, 1-Hydroxybenzotriazole was added into the reaction...

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Abstract

The invention discloses a bactericidal composition containing isotianil and osthole, and belongs to the technical field of pesticide preparation. The bactericidal composition comprises, by weight, 1-50% of isotianil, 0.1-10% of osthole, 5-10% of a bactericidal aid, and the balance of auxiliary components. According to the sterilization auxiliary agent, modified chitosan serves as a carrier, after rice absorbs the modified chitosan, the fertilizer and water absorption capacity, drought resistance and lodging resistance of plants can be enhanced, immunity is enhanced, meanwhile, plant seeds are promoted to germinate in advance, roots are promoted to be developed, the number of root hairs, fibrous roots and secondary roots is greatly increased, the rhizosphere state is fully activated, and nutrient molecules are dissolved, so nitrogen, phosphorus and potassium nutrients are effectively and sufficiently absorbed by rice; and the sterilization auxiliary agent contains the ketoxime ether structure, so the sterilization auxiliary agent cna kill bacteria, has low toxicity, and can well prevent rice from being invaded by rice blast and other diseases by compounding the sterilization auxiliary agent with isotianil and cnidium lactone.

Description

technical field [0001] The invention relates to the technical field of pesticide preparation, in particular to a bactericidal composition containing Isotianil and osthole. Background technique [0002] Isotianil is an isothiazole fungicide jointly developed by Bayer and Japan’s Sumitomo Chemical Company to prevent and control rice blast. It is characterized in that it does not have a direct antibacterial effect on pathogenic bacteria, but stimulates the natural defense mechanism of rice itself against rice blast. , in order to achieve the purpose of resisting rice blast. [0003] In the field of pesticide technology, commonly used and reasonable chemical fungicide compounding or mixing can expand the bactericidal spectrum, improve the control effect, extend the application period, reduce the dosage, reduce the drug damage, reduce the residue, delay the fungal drug resistance and anti-bacteria. Positive features such as the occurrence of medicinal properties. [0004] The b...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/16A01N25/10A01P3/00A01P1/00A01P21/00
CPCA01N43/80A01N43/16A01N25/10
Inventor 刘言合陈琦
Owner 安徽润农腾辉生物科技有限公司
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