Pesticide composition containing thiosulfonic acid ester fungicide

A technology of pesticide composition and thiosulfonate, which is applied in the field of pesticides, can solve the problems of short duration of action, crops are prone to phytotoxicity, and it is difficult to achieve comprehensive control, so as to achieve reduced dosage, high synergistic effect, Effects of dose reduction

Active Publication Date: 2012-10-31
夏建中
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventor has found through many years of research that thiosulfonate fungicides have a strong killing effect on fungi and bacteria, and have a wide range of applications, but th...

Method used

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  • Pesticide composition containing thiosulfonic acid ester fungicide
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  • Pesticide composition containing thiosulfonic acid ester fungicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: 20% allicin, 10% pyraclostrobin, 10% mineral spirits, 3% calcium dodecylsulfonate, 5% phenethylphenol polyoxyethylene ether, and the balance of deionized water.

[0027] Dissolve allicin + pyraclostrobin in solvent oil, then add surfactant, stir evenly, add into deionized water, stir evenly with high-speed shearing, it becomes milky white liquid, that is, emulsion in water.

[0028] In accordance with GBT 17980.26-2000 Pesticide Field Efficacy Test Guidelines (1) Requirements for Fungicides to Control Cucumber Downy Mildew, the field efficacy test was carried out. The product of the present invention is diluted 1500 times, 2000 times and 2500 times respectively with water and sprayed, and the contrast agent 40% allicin EC is 2000 times, and 25% pyraclostrobin EC is 2500 times. Observation after 3 days of spraying, the control effect of three concentrations of the product of the present invention is respectively 88.4%, 85.5%, 79.66%, all obviously better than ...

Embodiment 2

[0031] Example 2: 20% acetofloxacin, 20% kresoxim-methyl, dispersant NNO 3%, pull open powder 5%, sodium lauryl sulfate 2%, white carbon black 10%, kaolin (diatomaceous earth) remaining quantity.

[0032] Adsorb acetoallin with white carbon black to make a powder, then fully mix it with kresoxim-methyl, surfactant and other materials in a mixer, pulverize it through a jet mill, and then fully mix it again to make a wettable powder.

[0033] In accordance with GB / T17980.28-2000 Pesticide Field Efficacy Test Guidelines (1) Requirements for fungicides to control Botrytis cinerea, the field efficacy test was carried out. The product of the present invention is diluted 1500 times, 2000 times and 2500 times respectively with water for liquid spraying, 1500 times of the contrast agent 40% acetofloxacin EC, and 2500 times of 30% kresoxim-methyl wettable powder. After 3 days of application, the preventive effects of the three concentrations of the product of the present invention were...

Embodiment 3

[0038] Example 3: 20% acetoallin, 10% pyraclostrobin, 10% ethylene glycol, 5% calcium dodecylsulfonate, 15% phenethylphenol polyoxyethylene ether, 3% glycerin , the water balance.

[0039] Dissolve acetolicin + pyraclostrobin in ethylene glycol, then add a surfactant, stir evenly, add glycerol and water, stir evenly, and form a homogeneous transparent liquid, that is, a microemulsion.

[0040] According to the test method of Example 1, the above-mentioned finished product was diluted 3000 times with water, and sprayed with 4000 times liquid of 80% acetocilin EC and 3000 times liquid of 25% pyraclostrobin EC to control cucumber downy mildew. 2 days after spraying, the fungus stopped infecting, and the lesions were obviously controlled. The control effect of the product of the present invention reaches 91.2% within 3 days after application, which is better than the control effect of 80% acetostrobin EC 4000 times of the control agent 76.4%, and the control effect of the control...

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Abstract

The invention discloses a pesticide composition containing a thiosulfonic acid ester fungicide. The pesticide composition contains 10-60% of thiosulfonic acid ester, powders of 1-40 parts of methoxy-crylic acid fungicide, a soluble concentrate, a microemulsion, an emulsion in water, a suspending agent or missible oil. The pesticide composition is a compound composition of the thiosulfonic acid ester fungicide and the methoxy-crylic acid fungicide, high synergetic effect can be generated, and the capabilities of sterilization, disease prevention and healing can be reinforced, so that the crop can be prevented from falling ill in the growth process, and the yield and the quality are improved; the pesticide composition has a broad-spectrum sterilization capability, can prevent the diseases caused by various germs, and particularly plays the role of forcefully killing the moulds; and according to the pesticide composition, the use dose is reduced relatively, and the using cost is lowered relatively; the pesticide composition is processed to be a water-based environment-friendly agent, such as the emulsion in water, the microemulsion, a suspending agent and a suspension emulsion, the use dosage of the organic solvent is reduced, and the safety of the pesticide composition is improved.

Description

Technical field: [0001] The invention relates to a pesticide, in particular to a pesticide composition containing a thiosulfonate fungicide which has a strong inhibitory effect on botrytis cinerea, downy mildew, frost blight, blight and other diseases. Background technique: [0002] Fungicides play an irreplaceable role in the control of crop diseases, but most of the fungicides with better effect on crop disease control are expensive and their popularization is limited. Allicin is independently created in China, has a wide bactericidal spectrum, low cost, and has promotional value. Chinese patent ZL200610155154.3 discloses compounds containing organic polysulfides and their applications, and the general application of allicin as an agricultural fungicide is listed in the examples. The inventor has found through many years of research that thiosulfonate fungicides have a strong killing effect on fungi and bacteria, and have a wide range of applications, but they are used al...

Claims

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Application Information

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IPC IPC(8): A01N41/08A01N37/50A01N47/24A01N43/54A01P3/00
Inventor 夏建中何国旗
Owner 夏建中
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