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Pyraziflumid-containing bactericidal composition and application thereof

A technology of composition and use, applied in the field of pesticides, to achieve the effects of reducing the amount and frequency of application in the field, reducing harm, and increasing the site of action

Inactive Publication Date: 2017-05-31
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most cases, the compound effects of pesticides are additive, and there are very few compounds that really have synergistic effects, especially those with particularly obvious synergistic effects.

Method used

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  • Pyraziflumid-containing bactericidal composition and application thereof
  • Pyraziflumid-containing bactericidal composition and application thereof
  • Pyraziflumid-containing bactericidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: 30% pyraziflumid·boscalid suspension (pyraziflumid: boscalid = 1:2)

[0021] Made according to the conventional process, wherein pyraziflumid 10g, boscalid 20g, sodium lignosulfonate (dispersant) 4g, sodium lauryl sulfate (wetting agent) 2g, ethylene glycol (antifreeze) 4g, Bentonite (thickener) 0.15g, organosilicone (defoamer) 0.4g, deionized water to make up to 100g.

[0022] In this example, the weight ratio of pyraziflumid and boscalid can vary from 20:1 to 1:20, and the mass percentage of the two can vary from 5% to 80%. Also make corresponding adjustment thereupon, form new embodiment.

[0023] It is also possible to replace boscalid with pyrithrimol or pyrithrimol sulfonate to form a new embodiment.

Embodiment 2

[0024] Example 2: 38% pyraziflumid·boscalid water-dispersible granules (pyraziflumid: boscalid = 1:1)

[0025] Made according to the conventional process, wherein pyraziflumid 19g, boscalid 19g, sodium alkylnaphthalene sulfonate (dispersant) 5g, sodium lignosulfonate (dispersant) 7g, sodium lauryl sulfate (wetting agent) 2g, ammonium sulfate (disintegrant) 5g, light calcium carbonate (filler) to make up to 100g.

[0026] In this example, the weight ratio of pyraziflumid and boscalid can vary from 50:1 to 1:50, and the mass percentage of the two can vary from 1% to 85%. Also make corresponding adjustment thereupon, form new embodiment.

[0027] It is also possible to replace boscalid with pyrithrimol or pyrithrimol sulfonate to form a new embodiment.

Embodiment 3

[0028] Example 3: 42% pyraziflumid·pyrazifol wettable powder (pyraziflumid:pyraziflumid=1:20)

[0029] Made according to the conventional process, wherein pyraziflumid 2g, pyrimol 40g, sodium lauryl sulfate (wetting agent) 2g, sodium lignosulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin supplemented to 100g .

[0030] In this embodiment, the weight ratio of pyraziflumid and pyrimethol can be changed between 20:1~1:20, the mass percentage of the two can be changed between 1%~85%, and the proportion of the auxiliary agent can also be changed. Make corresponding adjustments thereupon, form new embodiment.

[0031] It is also possible to replace pyrithrimol with boscalid or pyrithrimol sulfonate to form a new embodiment.

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Abstract

The invention discloses a pyraziflumid-containing bactericidal composition. The composition is prepared from an active ingredient A and an active ingredient B, wherein the active ingredient A is pyraziflumid, and the active ingredient B is any one selected from boscalid, ethirimol or bupirimate, and the mass ratio of the active ingredient A to the active ingredient B is equal to (50 to 1)-(1 to 50). The pyraziflumid-containing bactericidal composition can be used for controlling multiple diseases of crops such as vegetables, fruit trees and flowers, and is especially used for controlling the diseases such as powdery mildew, gray mold and scab, which are caused by higher fungus; the pyraziflumid-containing bactericidal composition has a good control effect, and has the characteristics of being wide in bacteriocidal spectrum, low in consumption, obvious in synergism, and the like.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a fungicidal composition containing pyraziflumid and its application on crop diseases, belonging to the technical field of pesticides. Background technique [0002] pyraziflumid (test code: NNF-0721) is an SDHI fungicide developed by Nippon Agricultural Chemicals Co., Ltd., which has a good effect on powdery mildew, scab, gray mold, sclerotinia, and ring disease on rice, fruits and vegetables. The control effect, structural formula is as follows: [0003] [0004] In actual production, the most likely problem in the control of pests and diseases is resistance. Combining ingredients from different varieties is a very common method for controlling resistant pests and diseases. Different ingredients are compounded, and whether a certain compound is synergistic, additive or antagonistic is judged according to the actual application effect. In most cases, the compound effects of pestic...

Claims

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Application Information

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IPC IPC(8): A01N43/60A01N43/40A01N43/54A01P3/00
CPCA01N43/60A01N43/40A01N43/54A01N2300/00
Inventor 任太军胡欢欢黄柯程王泰李广泽
Owner SHENZHEN NOPOSION AGROCHEM
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