Synergistic interaction compound containing fluorophenyl ether amide and benthiavalicarb

A fluorophenyl ether amide and synergistic technology, applied in the field of pesticides, can solve the problems of increased drug resistance of pathogenic bacteria, high cost resistance, long development cycle, etc., and achieve the effects of reducing drug costs, crop safety, and excellent quick effect.

Inactive Publication Date: 2017-11-07
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Benthiopyram has a good inhibitory effect on the formation of oomycete sporangia and the germination of spores, but has no effect on the release of zoospores and the movement of zoospores. The results of field efficacy tests show that benthiazil can To control potato infestation resistant to benzamide fungicides and melon downy mildew resistant to methoxyacrylates, but the use of benthiazil alone is costly and has the risk of resistance
[0006] For a long time, the long-term and large-scale use of single pesticide active ingredient preparations has led to the continuous increase in the resistance of pathogenic bacteria, and the development cost of new pesticides has been further impr...

Method used

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  • Synergistic interaction compound containing fluorophenyl ether amide and benthiavalicarb
  • Synergistic interaction compound containing fluorophenyl ether amide and benthiavalicarb

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1. Example 1: 36% fluphenamide·benthiopyrad wettable powder (1:1)

[0035] Fluphenamide 18%

[0036] Benthiopyram 18%

[0037] Sodium dodecylbenzenesulfonate 5%

[0038] Sodium Dibutyl Naphthalene Sulfonate 6%

[0039] Silica 15%

[0040] Bentonite balance

[0041] The preparation method of the wettable powder is as follows: mix the original pesticide, dispersant, wetting agent and filler according to the above formula, stir evenly in a stirring tank, and then mix evenly after jet crushing to obtain the powder of the present invention. wettable powder described above.

Embodiment 2

[0042] 2. Example 2: 29.4% fluphenamide · benthiazil suspension concentrate (5:1)

[0043] Fluphenamide 24.5%

[0044] Benthiopyram 4.9%

[0045]Dibutylnaphthalene sulfonate 5%

[0046] Polycarboxylate 3%

[0047] Polyoxyethylene ether phosphate 3%

[0048] Magnesium Aluminum Silicate 1.8%

[0049] Silicone 0.8%

[0050] Glycerol 2.4%

[0051] Deionized water balance

[0052] The preparation method of the suspending agent is as follows: firstly mix the auxiliary components of the pesticide evenly, and then mix evenly through high-speed shearing, then add the active ingredients flufenamide and benthiazil, and grind in a sand mill for more than 2 hours to make the preparation The suspending agent of the present invention can be prepared if the particle diameter is below 5 microns.

Embodiment 3

[0053] 3. Example 3: 45.5% fluphenamide·benthiopyrad suspension concentrate (11:2)

[0054] Fluorophenamide 38.5%

[0055] Benthiopyram 7%

[0056] Dibutylnaphthalenesulfonate 6%

[0057] Polycarboxylate 4%

[0058] Polyoxyethylene ether phosphate 3%

[0059] Magnesium Aluminum Silicate 2.1%

[0060] Silicone 0.9%

[0061] Glycerol 3%

[0062] Deionized water balance

[0063] The preparation method of the suspending agent is as follows: firstly mix the auxiliary components of the pesticide evenly, and then mix evenly through high-speed shearing, then add the active ingredients flufenamide and benthiazil, and grind in a sand mill for more than 2 hours to make the preparation The suspending agent of the present invention can be prepared if the particle diameter is below 5 microns.

[0064] 4. Example 4: 36.4% Fluphenamide Benthiopyram Water Dispersible Granules (2:11)

[0065] Fluphenamide 5.6%

[0066] Benthiopyram 30.8%

[0067] Alkylphenol ethoxylate sulfate 4%

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Abstract

The invention relates to a synergistic interaction compound. Active ingredients of the synergistic interaction compound include fluorophenyl ether amide and benthiavalicarb, wherein the weight ratio of fluorophenyl ether amide to benthiavalicarb is (1:20)-(30:1), preferably (1:5)-(10:1). The synergistic interaction compound provided by the invention can be prepared into any preparation suitable for agricultural production and is especially suitable for preventing and controlling oomycetes diseases, such as downy mildew, powdery mildew and epidemic diseases. The synergistic interaction compound provided by the invention has excellent preventing and controlling effect, low cost, excellent lasting effect and fast-acting property.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a synergistic bactericidal composition. The active ingredients of the synergistic composition include fluphenamide and benthiazil, and are especially suitable for preventing and treating various oomycete diseases. Background technique [0002] Cucumber downy mildew is a plant disease caused by the flagellate subphylum Pseudoperonospermum cuba. Leaves develop from base to upper lobe. In the early stage of the disease, light yellow sub-circular to polygonal lesions are formed on the leaves, which are prone to be complicated by angular spot. When the air is humid, a frosty mold layer is formed on the back of the leaves, and sometimes it can spread to the leaves. In the later stage, the disease spots are withered and contiguous, and they are yellowish-brown. In severe cases, all the outer leaves are yellow and dead, similar to Verticillium wilt. Downy mildew overwinters as oos...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01N47/12A01P3/00
CPCA01N43/56A01N47/12
Inventor 刘承兰罗建军
Owner SOUTH CHINA AGRI UNIV
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