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Bactericidal composition containing polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl

A technology of Polygonum cuspidatum extract and azoxystrobin, which is applied in the field of pesticides, can solve problems such as unpublished reports, and achieve the effects of rain erosion resistance, good environmental compatibility, and enhanced adhesion

Inactive Publication Date: 2016-02-10
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After research by the inventors, it was found that compounding the extract of Polygonum cuspidatum with azoxystrobin and azoxystrobin can produce a good synergistic effect, and the relevant reports on the compounding of extracts of Polygonum cuspidatum and azoxystrobin and azoxystrobin have not yet been published

Method used

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  • Bactericidal composition containing polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl
  • Bactericidal composition containing polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl
  • Bactericidal composition containing polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～8

[0040] Embodiment 1~8 wettable powder

[0041] Mix Polygonum cuspidatum extract, active ingredient B, dispersant, wetting agent, and filler in a mixing tank, pulverize with a jet mill, and then mix evenly to obtain the wettable powder product of the present invention. See the table for details 1.

[0042] Table 1 Embodiment 1~8 each component and parts by weight

[0043]

Embodiment 9～16

[0044] Embodiment 9~16 water dispersible granules

[0045] Combine Polygonum cuspidatum extract, active ingredient B, dispersant, wetting agent, disintegrating agent, filler, etc. through airflow pulverization to obtain the required particle size, and then add binder (optional) and other auxiliary agents to obtain granulation Materials. The water-dispersible granule product of the present invention can be obtained after quantitatively sending the material into a fluidized bed granulation dryer for granulation and drying, see Table 2 for details.

[0046] Table 2 Embodiment 9~16 each component and parts by weight

[0047]

[0048]

Embodiment 17～24

[0049] Embodiment 17~24 suspending agent

[0050] Dispersant, wetting agent, defoamer, thickener (can be added or not), antifreeze agent (can be added or not), mixed evenly through high-speed shearing, add Polygonum cuspidatum extract and active ingredient B, and put it in a ball mill Ball milling for 2 to 3 hours, so that the particle size of all the particles is below 5 μm, and the balance is supplemented with deionized water to obtain the suspension product of the present invention, see Table 3 for details.

[0051] Table 3 Embodiment 17~24 each component and parts by weight

[0052]

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Abstract

The invention discloses a bactericidal composition containing a polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl, which contains an active component A and an active component B. The active component A is the polygonum cuspidatum extract and the active component B is one selected from the following components: azoxystrobin and kresoxim-methyl. The weight ratio of the active component A to the active component B is 1:80-60:1. The composition has a synergistic effect on various diseases damaging agricultural production, reduces dosage of a pesticide and reduces residual quantity of the pesticide on crops, reduces environment pollution, is safe to people and animal, is good in environmental compatibility and is not liable to generate drug resistance of the diseases.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to the application of a fungicidal composition containing Polygonum cuspidatum extract and azoxystrobin or kresoxim-methyl to crop diseases. Background technique [0002] Polygonum cuspidatum extract mainly contains emodin and emodin methyl ether, which is in a viscous state and is generally easy to make liquid preparations. However, liquid preparations usually contain organic solvents and are prone to phytotoxicity, so they can be used to prevent and control cucumber powdery mildew. [0003] Azoxystrobin and kresoxim-methyl belong to methoxyacrylate fungicides, which are widely used in crop diseases. [0004] However, in the actual process of agricultural production, the most likely problem in disease control is the emergence of disease resistance. Combination of ingredients from different varieties is a common method for controlling resistant diseases. Different ingredients are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/30A01P3/00A01N43/54A01N37/50
Inventor 张伟赵娇
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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