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Nematicidal composition containing fluensulfone and chitosan

A technology of fluthiazol and chitosan, applied in the direction of nematicides, biocides, biocides, etc., to achieve the effects of reduced usage, continuous production, and easy process control

Inactive Publication Date: 2017-03-15
佛山市盈辉作物科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no relevant report on the combination of fluthiazol and chitosan

Method used

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  • Nematicidal composition containing fluensulfone and chitosan
  • Nematicidal composition containing fluensulfone and chitosan
  • Nematicidal composition containing fluensulfone and chitosan

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment

[0016] 1. Example 1: 4% fluthiazol-chitosan granules (1:1)

[0017] Fluthiazol 2%

[0018] Chitosan 2%

[0019] Epichlorohydrin 3%

[0020] Wetting and dispersing agent 5%

[0021] Castor Oil 3%

[0022] Sepiolite balance

[0023] The above formula is pulverized in proportion, put into a blender and stirred evenly, added water to a granulation tray to granulate, dried in a drying oven, cooled, sieved, and packaged to obtain 4% fluthiazol-chitosan granules.

Embodiment 2

[0024] 2. Example 2: 21% fluthiazol-chitosan emulsion in water (20:1)

[0025] Fluthiazol 20%

[0026] Chitosan 1%

[0027] N-Methylpyrrolidone 15%

[0028] Calcium dodecylbenzenesulfonate 7%

[0029] Alkylphenol ethoxylates 3%

[0030] Polyoxyethylene fatty alcohol 2%

[0031] Deionized water balance

[0032] Preparation method: First, add fluthiazol, chitosan, solvent, emulsifier, and co-solvent together to dissolve into a uniform oil phase; mix some water and other pesticide additives together to form a uniform water Add the oil phase to the water phase while stirring at high speed in the reactor, add water slowly until the phase inversion point is reached, turn on the shearing machine for high-speed shearing, and add the remaining water, shear for about half an hour to form water packets Oil-type emulsion in water can be made into 21% fluthiazol-chitosan emulsion in water.

Embodiment 3

[0033] 3. Example 3: 12% fluthiazol-chitosan emulsion in water (5:2)

[0034] Fluthiazol 10%

[0035] Chitosan 4%

[0036] N-Methylpyrrolidone 12%

[0037] Calcium dodecylbenzenesulfonate 5.5%

[0038] Alkylphenol ethoxylates 3%

[0039] Polyoxyethylene fatty alcohol 2%

[0040] Deionized water balance

[0041] Preparation method: First, add fluthiazol, chitosan, solvent, emulsifier, and co-solvent together to dissolve into a uniform oil phase; mix some water and other pesticide additives together to form a uniform water Add the oil phase to the water phase while stirring at high speed in the reactor, add water slowly until the phase inversion point is reached, turn on the shearing machine for high-speed shearing, and add the remaining water, shear for about half an hour to form water packets Oil-type emulsion in water can be made into 12% fluthiazol-chitosan emulsion in water.

[0042] 4. Example 4: 15.5% fluthiazol-chitosan emulsion in water (30:1)

[0043] Fluthiazo...

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Abstract

The invention relates to a pesticide composition containing fluensulfone and chitosan. The pesticide composition comprises active ingredients including fluensulfone and chitosan in the weight ratio of 1:50-50:1, preferably in the weight ratio of 1:1-15:1. By synergistic interaction between the active ingredients of the composition, control efficacy can be improved, pesticide application amount is reduced, and the composition is safe to environment and worthy of popularization and application.

Description

technical field [0001] The invention belongs to the technical field of pesticide nematicides, and in particular relates to a nematicide composition containing fluthiazol and chitosan. Background technique [0002] Root-knot nematodes mainly harm the roots of various vegetables, showing that the lateral roots and fibrous roots increase more than normal, and form spherical or conical white nodules of different sizes on the fibrous roots of young roots, some of which are bead-shaped. The aboveground parts of the damaged plants grow short and slow, with abnormal leaf color, few fruits, low yield, and even premature death of the plants. The nematodes currently known to harm vegetables mainly include root-knot nematode high pedicle, root-knot nematode peanut, root-knot nematode northern and root-knot nematode southern. Nematodes have a wide range of hosts, often harming melons, solanaceous fruits, beans, radishes, lettuce, cabbage and other vegetables, and can also spread some fu...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01N43/16A01P5/00A01P21/00
CPCA01N43/78A01N43/16A01N2300/00
Inventor 郑获叶宇平杨建江
Owner 佛山市盈辉作物科学有限公司
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