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Bactericidal composition containing polygonum cuspidatum extract and pyraclostrobin

A technology of pyraclostrobin and Polygonum cuspidatum extract, which is applied in the field of pesticides, can solve the problems of unpublished reports, etc., and achieve the effects of rain erosion resistance, good environmental compatibility, and enhanced adhesion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 the combination of Polygonum cuspidatum extract and pyraclostrobin can produce a good synergistic effect, and the relevant reports about the combination of Polygonum cuspidatum extract and pyraclostrobin have not yet been published

Method used

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  • Bactericidal composition containing polygonum cuspidatum extract and pyraclostrobin
  • Bactericidal composition containing polygonum cuspidatum extract and pyraclostrobin
  • Bactericidal composition containing polygonum cuspidatum extract and pyraclostrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0042] Embodiment 1~4 wettable powder

[0043] Knotweed extract, pyraclostrobin, dispersant, wetting agent, and filler are mixed uniformly in a mixing tank, pulverized by a jet mill and then mixed uniformly to obtain the wettable powder product of the present invention, specifically See Table 1.

[0044] Table 1 Embodiment 1~4 each component and parts by weight

[0045]

Embodiment 5～8

[0046] Embodiment 5~8 water dispersible granules

[0047] Combine Polygonum cuspidatum extract, pyraclostrobin, dispersant, wetting agent, disintegrating agent, filler, etc. through airflow crushing to obtain the required particle size, and then add binder (optional) and other additives 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.

[0048] Table 2 Embodiment 5~8 each component and parts by weight

[0049]

Embodiment 9～12

[0050] Embodiment 9~12 suspending agent

[0051] 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, pyraclostrobin, in Ball milling in a ball mill for 2 to 3 hours, so that the particle size is all 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.

[0052] Table 3 Embodiment 9~12 each component and parts by weight

[0053]

[0054]

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PUM

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Abstract

The invention discloses a bactericidal composition containing a polygonum cuspidatum extract and pyraclostrobin. The effective active components are selected from the polygonum cuspidatum extract and the pyraclostrobin according to the weight ratio of 1:80-60:1. The bactericidal composition has synergistic effects on various diseases harming agricultural production, can reduce the dosage of pesticides and residual quantity of the pesticides on crops, reduces environmental pollution, is safe to human and animals, is good in environmental compatibility and is not liable to cause drug resistance in 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 pyraclostrobin 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] Pyraclostrobin belongs to the methoxyacrylate fungicides and is 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 compounded, and according to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/30A01P3/00A01N47/24
Inventor 张伟赵娇
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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