Composition containing difenoconazole and tebuconazole with bactericidal action

A technology of difenoconazole and tebuconazole, applied in the directions of fungicides, biocides, applications, etc., can solve the problems of drug waste, short use time, increase resistance to apple tree spot leaf leaf disease, etc. The effect of improving the efficacy and prolonging the lasting effect

Inactive Publication Date: 2011-06-01
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Since the current control of spotted leaf spot disease of apple trees is limited to the basis of common conventional agents such as carbendazim, thiophanate-methyl, and mancozeb, and because farmers use the above-mentioned agents in large quantities all year round, Thereby increasing the resistance of apple tree spotted leaf defoliation, causing a waste of medicines, and also bringing a waste of prevention and control costs to farmers
[0003] Difenoconazole and tebuconazole are the fungicides that have been tested for the control of spotted leaf disease on apple trees in recent years. At the same time, due to the relatively short use time and no resistance to crops, the test data in recent years have proved that , the mixed control effect of the composition is better than the effect of single control. Difenoconazole and tebuconazole are currently effective drugs for the prevention and treatment of apple leaf spot, and there are no examples of mixing the above two drugs. see any reports

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] For the preparation of 20% difenoconazole and tebuconazole wettable powder, the distribution ratio of each component is by weight:

[0016] Difenoconazole: 19.2g

[0017] Tebuconazole: 0.8g

[0018] Humectant: Sodium Laureth Sulfate 2g

[0019] Dispersant: 10g of alkyl sulfonate

[0020] Carrier: Kaolin for 68g

[0021] Dry, cool, mix and grind each component to obtain the product, dilute 1000 times to prevent and control apple leaf spot disease, spray, observe after 24 hours, 48 ​​hours and 72 hours, the control rate reaches 78.3% to 83.6% respectively , 82.7% to 85.6%, and 83.6% to 87.9%.

example 2

[0023] For the preparation of 30% difenoconazole and tebuconazole wettable powder, the distribution ratio of each component is by weight:

[0024] Difenoconazole 15g

[0025] Tebuconazole 15g

[0026] Humectant: Sodium Lauryl Sulfate to 3g

[0027] Dispersant: Alkane Sulfonate is 12g

[0028] Carrier: Kaolin 55g

[0029] Dry, cool, mix and grind each component to obtain the product, dilute 1000 times to prevent and control apple tree leaf spot, spray, observe after 24 hours, 48 ​​hours and 72 hours, the control rate reaches 83.5% to 87.8% respectively , 84.7% to 90.3%, and 93.3% to 95.4%.

example 3

[0030] Example 3: The preparation of 45% difenoconazole and tebuconazole wettable powder, the distribution ratio of each component is by weight:

[0031] Difenoconazole 20g

[0032] Tebuconazole 25g

[0033] Sodium Lauryl Sulfate 3.5g

[0034] Alkane Sulfonate 15g

[0035] Kaolin 36.5g

[0036] Dry, cool, mix and grind each component to obtain the product, dilute 1000 times to prevent and control apple leaf spot disease, spray, and observe after 24 hours, 48 ​​hours and 72 hours, the control rate reaches 85.7% to 88.4% respectively %, 86.8% to 92.5%, and 94.7% to 96.6%.

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PUM

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Abstract

The present invention provides a pesticide sterilization composite containing difenoconazole and tebuconazole as the main ingredients, wherein, the weight ratio of the difenoconazole and the tebuconazole is 1-50:1-45; the pesticide sterilization composite mainly has remarkable controlling effect on alternaria leaf spot, phoma citricarpa and anthracnose of apple trees.

Description

Technical field: [0001] The invention is a wettable powder, the active ingredients are difenoconazole and tebuconazole, and its main ingredients are in a weight ratio of 1-50: 1-45, and the optimal weight of the mixture is obtained through multiple tests and formula screening. The percentage is 10-20:20-45 and the rest are additives, which are mainly used for the prevention and treatment of spotted leaf disease of apple trees. Background technique: [0002] Since the current control of spotted leaf spot disease of apple trees is limited to the basis of common conventional agents such as carbendazim, thiophanate-methyl, and mancozeb, and because farmers use the above-mentioned agents in large quantities all year round, Thereby increased the resistance of apple tree spot defoliation, caused the waste of medicine, also brought the waste of control cost to the farmer. [0003] Difenoconazole and tebuconazole are the fungicides that have been tested for the control of spotted le...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01N25/12A01P3/00
Inventor 张少武
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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