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Wanlongmycin dimethomorph suspending agent, preparation method thereof and application

A suspending agent and dispersing agent technology, applied in the field of wan.ene suspending agent and its preparation, can solve the problem of high prevention and control costs, and achieve the effects of improving drug efficacy, low production cost and delaying drug resistance.

Inactive Publication Date: 2014-12-03
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the single use of Wanlongmycin or Dimethomorph can easily cause pathogenic bacteria to develop resistance, and the control cost is relatively high.

Method used

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  • Wanlongmycin dimethomorph suspending agent, preparation method thereof and application
  • Wanlongmycin dimethomorph suspending agent, preparation method thereof and application
  • Wanlongmycin dimethomorph suspending agent, preparation method thereof and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Mix 10 grams of Wanlongmycin (content 40%, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences) and 16.7 grams of 96% dimethomorph (Hebei Guanlong Agrochemical Co., Ltd.), and then add dodecyl 5 grams of sodium benzenesulfonate, 1 gram of white carbon black, 0.5 grams of linseed oil, 1 gram of ethylene glycol, 0.5 grams of acetic acid, 0.2 grams of isooctyl alcohol, 65.1 grams of deionized water, and stir well to obtain a mixture; pour the mixture into Grinding and pulverizing in a ball mill for 6 hours to obtain a 20% vanacene suspending agent.

[0030] The said 20% vanillin suspension concentrate refers to the vanillin suspension concentrate whose mass percentage sum of the active ingredients wanlongmycin and dimethomorph is 20%.

Embodiment 2

[0032] Mix 15 grams of Wanlongmycin (content 40%, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences) and 25 grams of 96% dimethomorph (Hebei Guanlong Agrochemical Co., Ltd.), and then add dodecyl 5 grams of sodium benzenesulfonate, 1 gram of white carbon black, 0.5 grams of linseed oil, 1 gram of ethylene glycol, 0.5 grams of acetic acid, 0.2 grams of isooctyl alcohol, 51.8 grams of deionized water, and stir well to obtain a mixture; pour the mixture into Grinding and pulverizing in a ball mill for 6 hours to obtain a 30% vanillene suspension concentrate.

[0033] The 30% van-ene suspension concentrate refers to a van-ene suspension concentrate in which the sum of the mass percentages of the active ingredients vanlungmycin and dimethomorph is 30%.

Embodiment 3

[0035] Mix 20 grams of Wanlongmycin (content 40%, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences) and 33.3 grams of 96% dimethomorph (Hebei Guanlong Agrochemical Co., Ltd.), and then add dodecyl 5 grams of sodium benzenesulfonate, 1 gram of white carbon black, 0.5 grams of linseed oil, 1 gram of ethylene glycol, 0.5 grams of acetic acid, 0.2 grams of isooctyl alcohol, 38.5 grams of deionized water, and stir well to obtain a mixture; pour the mixture into Grinding and pulverizing in a ball mill for 6 hours to obtain a 40% vanacene suspending agent.

[0036] The 40% van-ene suspension concentrate refers to a van-ene suspension concentrate in which the sum of the mass percentages of the active ingredients vanlungmycin and dimethomorph is 40%.

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Abstract

The invention discloses a wanlongmycin dimethomorph suspending agent, a preparation method thereof and application. The suspending agent comprises, by mass, 4-8% of wanlongmycin, 16%-32% of dimethomorph, 5% of moistening agents / dispersant, 1% of thickening agents, 0.5% of stabilizing agents, 1% of antifreezing agents, 0.5% of PH conditioning agents and 0.2% of defoaming agents. Water replaces organic solvents, active ingredients with particle diameters of less than 4 mu m are uniformly dispersed in the water, then a white agent is formed, the process is simple and the production cost is low. After the agent is sprayed, thin particles are distributed on surfaces of crops, pathogenic germs can be inhibited and eliminated directly, and the drug effect is improved. The wanlongmycin and the dimethomorph are mixed, prevention and cure effects are improved, and the drug resistance of pathogenic germs is effectively delayed. The prepared suspending agent is efficient, low in toxicity and free from pollution and can be used for preventing and curing plant pests and diseases caused by phytophthora.

Description

technical field [0001] The invention belongs to the technical field of plant protection and pesticides, and in particular relates to a kind of allene suspending agent and its preparation method and application. Background technique [0002] In recent years, the planting area of ​​economic crops in my country has been continuously expanding, and the continuous cropping all year round has caused soil-borne diseases to increase year by year. Among them, plant diseases caused by oomycetes are difficult to control, especially Phytophthora has a short incubation period and frequent re-infections. Frequent outbreaks result in severe losses. [0003] At present, chemical control is still one of the important means to control Phytophthora diseases. However, due to the long-term abuse of chemical agents by growers, the pathogens have strong drug resistance. Chemical agents such as Maneb, Zinc, Mancozeb, Metalaxyl and Benaxyl have been difficult to prevent and control Phytophthora. . ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/02A01N43/84A01N25/04A01P3/00
Inventor 林壁润蒲小明沈会芳潘群英
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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