CN114208830A - Bactericide containing metalaxyl and kresoxim-methyl and preparation method thereof - Google Patents

Bactericide containing metalaxyl and kresoxim-methyl and preparation method thereof Download PDF

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Publication number
CN114208830A
CN114208830A CN202111611001.6A CN202111611001A CN114208830A CN 114208830 A CN114208830 A CN 114208830A CN 202111611001 A CN202111611001 A CN 202111611001A CN 114208830 A CN114208830 A CN 114208830A
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kresoxim
methyl
metalaxyl
technical
dispersing agent
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周秋英
辛加志
陈存辉
崔行建
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Shandong Expensive Biological Technology Co ltd
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Shandong Expensive Biological Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/46—N-acyl derivatives
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12—Powders or granules
    • A01N25/14—Powders or granules wettable
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/50—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The application relates to the field of bactericides and particularly discloses a bactericide containing metalaxyl and kresoxim-methyl and a preparation method thereof. A bactericide containing metalaxyl and kresoxim-methyl comprises the following raw materials in parts by weight: 40-60 parts of metalaxyl technical, 10-20 parts of kresoxim-methyl technical, 10-20 parts of antibacterial component, 6-12 parts of auxiliary agent and 8-14 parts of filler, wherein the antibacterial component comprises carvacrol and forchlorfenuron, and the weight ratio of the carvacrol to the forchlorfenuron is 1-3: 1; the preparation method comprises the following steps: mixing metalaxyl technical, kresoxim-methyl technical, inhibiting component, auxiliary agent and filler, stirring uniformly, and crushing the uniformly mixed raw materials to 355 meshes to prepare the wettable powder. The bactericide has the advantage of delaying the generation of drug resistance; in addition, the preparation method has the advantage of simple operation.

Description

Bactericide containing metalaxyl and kresoxim-methyl and preparation method thereof
Technical Field
The application relates to the field of bactericides, in particular to a bactericide containing metalaxyl and kresoxim-methyl and a preparation method thereof.
Background
Agricultural fungicides are a class of agricultural chemicals used to control plant diseases caused by various pathogenic microorganisms, and are commonly referred to as fungicides as agents for controlling various pathogenic microorganisms. Along with the development of bactericides, virucides, algicides and other subclasses are distinguished.
Metalaxyl, also known as D, L-N- (2, 6-dimethylphenyl) -N- (2' -methoxyacetyl) alanine methyl ester, is an organic compound having the molecular formula C15H21NO4Molecular weight 279.332, white crystal. Metalaxyl is effective in downy mildew of various crops caused by downy mildew, phytophthora and pythium, and phytophthora of fruits and vegetables and millet white disease.
In view of the above-mentioned related art, the inventors believe that the long-term single use of metalaxyl results in the easy generation of resistance by pathogens, thereby reducing the bactericidal effect.
Disclosure of Invention
In order to delay the generation of drug resistance and reduce the influence on the sterilization effect, the application provides a bactericide containing metalaxyl and kresoxim-methyl and a preparation method thereof.
In a first aspect, the application provides a bactericide containing metalaxyl and kresoxim-methyl, which adopts the following technical scheme:
a bactericide containing metalaxyl and kresoxim-methyl comprises the following raw materials in parts by weight: 40-60 parts of metalaxyl technical, 10-20 parts of kresoxim-methyl technical, 10-20 parts of antibacterial components, 6-12 parts of auxiliary agents and 8-14 parts of fillers, wherein the antibacterial components comprise carvacrol and forchlorfenuron, and the weight ratio of the carvacrol to the forchlorfenuron is 1-3: 1.
By adopting the technical scheme, the metalaxyl and the kresoxim-methyl are compounded, so that the generation of drug resistance is effectively delayed, in the process, the forchlorfenuron promotes the division of plant cells and fungal cells, further the growth of plants is promoted, and the carvacrol inhibits the growth of the divided fungal cells, so that the metalaxyl and the kresoxim-methyl can conveniently act on the fungal cells, and the generation of the drug resistance is further delayed.
Preferably, the weight ratio of the metalaxyl technical to the kresoxim-methyl technical is 10: 3.
By adopting the technical scheme, the ratio of the metalaxyl raw drug to the kresoxim-methyl raw drug is selected, so that the control effect of the bactericide is effectively improved.
Preferably, the weight ratio of metalaxyl technical, carvacrol and forchlorfenuron is 10:2: 1.
By adopting the technical scheme, the proportion of the metalaxyl raw drug, the carvacrol and the forchlorfenuron is selected, so that when the carvacrol inhibits the growth of the divided fungal cells, the amount of the metalaxyl raw drug consumed in fungus killing is effectively reduced, and the control effect is improved.
Preferably, the auxiliary agent comprises a dispersing agent and a wetting agent, and the weight ratio of the dispersing agent to the wetting agent is 5: 1.
By adopting the technical scheme, the dispersant and the wetting agent improve the wetting dispersibility and the spreadability of each component in water, so that the retention time of the bactericide on crops is prolonged, and the control effect of the bactericide is improved.
Preferably, the dispersing agent comprises a methyl naphthalene sulfonate formaldehyde condensate and a 2-naphthalene sulfonic acid formaldehyde polymer sodium salt, wherein the mass ratio of the methyl naphthalene sulfonate formaldehyde condensate to the 2-naphthalene sulfonic acid formaldehyde polymer sodium salt is 2-4: 3-6.
By adopting the technical scheme, the dispersant is selected, so that the suspension property and the dispersion uniformity of the bactericide in water are effectively improved, and the control effect of the bactericide is improved.
Preferably, the wetting agent is sodium alkyl naphthalene sulfonate, and the weight ratio of the methyl naphthalene sulfonate formaldehyde condensate to the sodium salt of the 2-naphthalene sulfonic acid formaldehyde polymer to the sodium alkyl naphthalene sulfonate is 2:3: 1.
By adopting the technical scheme, the wetting agent is selected, the adhesion stability of the bactericide on crops is improved, the retention time is prolonged, and the control effect of the bactericide is improved.
Preferably, the filler comprises ammonium sulfate and white carbon black, and the mass ratio of the ammonium sulfate to the white carbon black is 2-4: 2-3.
By adopting the technical scheme, the filler is selected, so that the adsorption effect of the filler on the metalaxyl raw pesticide and the kresoxim-methyl raw pesticide is improved, the effect of a carrier is achieved, the dispersion uniformity of the metalaxyl raw pesticide and the kresoxim-methyl raw pesticide is effectively improved, and the control effect of the bactericide is improved.
In a second aspect, the application provides a preparation method of a bactericide containing metalaxyl and kresoxim-methyl, which adopts the following technical scheme:
a preparation method of a bactericide containing metalaxyl and kresoxim-methyl comprises the following steps: mixing metalaxyl technical, kresoxim-methyl technical, inhibiting component, auxiliary agent and filler, stirring uniformly, and crushing the uniformly mixed raw materials to 355 meshes to prepare the wettable powder.
By adopting the technical scheme, the components are mixed and then crushed to proper fineness to prepare the wettable powder, and the operation is simple and convenient.
In summary, the present application has the following beneficial effects:
1. according to the method, while forchlorfenuron is adopted to promote division of the fungal cells, carvacrol inhibits growth of the divided fungal cells, and the fungal cells are kept in a state smaller than normal fungal cells, so that metalaxyl can kill the fungal cells more easily, and the generation of drug resistance is effectively delayed.
2. According to the application, the kresoxim-methyl active compound and the metalaxyl active compound are compounded, so that the generation of drug resistance is effectively delayed, and meanwhile, the plant is protected and treated.
3. The method can prepare the wettable powder by mixing and then crushing the raw materials, and has the advantages of simple operation method and easy obtainment of products.
Detailed Description
The metalaxyl raw drug in the application is 97 percent of raw powder purchased from Hubei salary and chemical engineering Limited company; the kresoxim-methyl raw pesticide is purchased from Hubei double Yan chemical industry Co., Ltd; carvacrol is white powder with the purity of 98 percent, and is purchased from Nanjing Biotechnology GmbH; the purity of the forchlorfenuron is 98 percent and is purchased from Jinan Jiabin chemical Co., Ltd; a methyl naphthalene sulfonate formaldehyde condensate, namely a dispersant MF, purchased from Shandong Xiang Showa novel materials Co., Ltd; 2-Naphthalenesulfonic acid formalin polymer sodium salt, dispersant NNO, was purchased from Shandong Xiang Showa New Material Co., Ltd; sodium alkylnaphthalenesulfonate, nekal BX, purchased from Jining Sanshi Biotech, Inc.; the fineness of the white carbon black is 325 meshes; ammonium sulfate was purchased from Jinan Yibo chemical Co., Ltd.
The present application will be described in further detail with reference to examples.
Examples
Example 1
S1, stirring and mixing 40kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 2kg of dispersing agent MF, 3kg of dispersing agent NNO, 1kg of nekal BX, 4kg of ammonium sulfate and 4kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 2
S1, stirring and mixing 40kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 3
S1, stirring and mixing 40kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 4
S1, stirring and mixing 40kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 5
S1, stirring and mixing 40kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 6
S1, stirring and mixing 40kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 7
S1, stirring and mixing 40kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 8
S1, stirring and mixing 40kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 9
S1, stirring and mixing 40kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 10
S1, stirring and mixing 40kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 11
S1, stirring and mixing 50kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 12
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 13
S1, stirring and mixing 50kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 14
S1, stirring and mixing 50kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 15
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 16
S1, stirring and mixing 50kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 17
S1, stirring and mixing 50kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 18
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 19
S1, stirring and mixing 50kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 20
S1, stirring and mixing 60kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 21
S1, stirring and mixing 60kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 22
S1, stirring and mixing 60kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 5kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 23
S1, stirring and mixing 60kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 24
S1, stirring and mixing 60kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 25
S1, stirring and mixing 60kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 26
S1, stirring and mixing 60kg of metalaxyl technical, 10kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 27
S1, stirring and mixing 60kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 28
S1, stirring and mixing 60kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 meshAnd obtaining the bactericide.
Example 29
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 2kg of dispersing agent MF, 3kg of dispersing agent NNO, 1kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 30
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 4kg of dispersing agent MF, 6kg of dispersing agent NNO, 2kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 31
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 7.5kg of dispersing agent MF, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 32
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 7.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 33
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 4kg of ammonium sulfate and 4kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 34
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 4kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 35
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 8kg of ammonium sulfate and 4kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 36
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 4kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 37
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 8kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 38
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 4kg of ammonium sulfate and 6kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 meshAnd obtaining the bactericide.
Example 39
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 6kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Example 40
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 8kg of ammonium sulfate and 6kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
EXAMPLE 41
S1, stirring and mixing 60kg of metalaxyl technical, 20kg of kresoxim-methyl technical, 15kg of carvacrol, 5kg of forchlorfenuron, 4kg of dispersing agent MF, 6kg of dispersing agent NNO, 2kg of nekal BX, 8kg of ammonium sulfate and 6kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Comparative example
Comparative example 1
S1, stirring and mixing 50kg of metalaxyl original drug, 10kg of carvacrol, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Comparative example 2
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 5kg of forchlorfenuron, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Comparative example 3
S1, stirring and mixing 50kg of metalaxyl technical, 15kg of kresoxim-methyl technical, 10kg of carvacrol, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Comparative example 4
S1, stirring and mixing 50kg of metalaxyl technical material, 15kg of kresoxim-methyl technical material, 3kg of dispersing agent MF, 4.5kg of dispersing agent NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
Comparative example 5
S1, stirring and mixing 50kg of metalaxyl original drug, 3kg of dispersant MF, 4.5kg of dispersant NNO, 1.5kg of nekal BX, 6kg of ammonium sulfate and 5kg of white carbon black uniformly;
s2, pouring the uniformly mixed raw materials into a jet mill to be ground until the fineness D is reached85=355 mesh, prepare the fungicide.
TABLE 1 EXAMPLES 1 TO 41 AND COMPARATIVE EXAMPLES 1 TO 5 raw material tables (kg)
Metalaxyl original drug Kresoxim-methyl technical Carvacrol Forchlorfenuron Dispersant MF Dispersant NNO Undaria pinnatifida BX Ammonium sulfate White carbon black
Example 1 40 10 5 5 2 3 1 4 4
Example 2 40 10 5 5 3 4.5 1.5 6 5
Example 3 40 15 5 5 3 4.5 1.5 6 5
Example 4 40 20 5 5 3 4.5 1.5 6 5
Example 5 40 10 10 5 3 4.5 1.5 6 5
Example 6 40 15 10 5 3 4.5 1.5 6 5
Example 7 40 20 10 5 3 4.5 1.5 6 5
Example 8 40 10 15 5 3 4.5 1.5 6 5
Example 9 40 15 15 5 3 4.5 1.5 6 5
Example 10 40 20 15 5 3 4.5 1.5 6 5
Example 11 50 10 5 5 3 4.5 1.5 6 5
Example 12 50 15 5 5 3 4.5 1.5 6 5
Example 13 50 20 5 5 3 4.5 1.5 6 5
Example 14 50 10 10 5 3 4.5 1.5 6 5
Example 15 50 15 10 5 3 4.5 1.5 6 5
Example 16 50 20 10 5 3 4.5 1.5 6 5
Example 17 50 10 15 5 3 4.5 1.5 6 5
Example 18 50 15 15 5 3 4.5 1.5 6 5
Example 19 50 20 15 5 3 4.5 1.5 6 5
Example 20 60 10 5 5 3 4.5 1.5 6 5
Example 21 60 15 5 5 3 4.5 1.5 6 5
Example 22 60 20 5 5 3 4.5 1.5 6 5
Example 23 60 10 10 5 3 4.5 1.5 6 5
Example 24 60 15 10 5 3 4.5 1.5 6 5
Example 25 60 20 10 5 3 4.5 1.5 6 5
Example 26 60 10 15 5 3 4.5 1.5 6 5
Example 27 60 15 15 5 3 4.5 1.5 6 5
Example 28 60 20 15 5 3 4.5 1.5 6 5
Example 29 50 15 10 5 2 3 1 6 5
Example 30 50 15 10 5 4 6 2 6 5
Example 31 50 15 10 5 7.5 / 1.5 6 5
Example 32 50 15 10 5 / 7.5 1.5 6 5
Example 33 50 15 10 5 3 4.5 1.5 4 4
Example 34 50 15 10 5 3 4.5 1.5 6 4
Example 35 50 15 10 5 3 4.5 1.5 8 4
Example 36 50 15 10 5 3 4.5 1.5 4 5
Example 37 50 15 10 5 3 4.5 1.5 8 5
Example 38 50 15 10 5 3 4.5 1.5 4 6
Example 39 50 15 10 5 3 4.5 1.5 6 6
Example 40 50 15 10 5 3 4.5 1.5 8 6
EXAMPLE 41 60 20 15 5 4 6 2 8 6
Comparative example 1 50 / 10 5 3 4.5 1.5 6 5
Comparative example 2 50 15 / 5 3 4.5 1.5 6 5
Comparative example 3 50 15 10 / 3 4.5 1.5 6 5
Comparative example 4 50 15 / / 3 4.5 1.5 6 5
Comparative example 5 50 / / / 3 4.5 1.5 6 5
Performance test
The bactericides prepared in the examples 1 to 41 and the comparative examples 1 to 5 are subjected to pesticide effect test according to GB/T17980.26-2000 'pesticide field efficacy test criterion (I) that the bactericides control cucumber downy mildew'.
Wherein the cell area is set to 15m2A group of samples and three groups of parallel samples are set for each bactericide, the average number of the four groups is taken according to detection data, and the dosage of the preparation is 80 g/mu.
The control effect was investigated for three applications of the fungicide, before the second application, before the third application and 7 days after the third application.
The specific test data are shown in Table 2.
Table 2 fungicide control effect table (%)
Before the second application Before the third application 7 days after the third application
Example 1 86.08 91.53 92.28
Example 2 89.68 92.19 93.70
Example 3 90.64 92.03 93.42
Example 4 89.41 91.22 93.03
Example 5 88.23 91.07 93.31
Example 6 89.34 90.82 91.38
Example 7 90.37 91.58 93.24
Example 8 89.54 91.22 93.45
Example 9 90.67 92.12 93.18
Example 10 90.14 91.42 93.42
Example 11 89.54 91.42 92.82
Example 12 90.14 90.82 93.14
Example 13 89.34 90.07 93.42
Example 14 90.37 91.86 96.35
Example 15 91.67 94.62 98.88
Example 16 90.78 92.24 96.50
Example 17 89.26 93.11 95.77
Example 18 88.14 92.34 94.52
Example 19 88.57 91.06 95.01
Example 20 89.33 93.05 94.77
Example 21 87.12 91.61 94.12
Example 22 89.57 90.23 94.59
Example 23 88.14 91.74 95.34
Example 24 89.07 91.33 93.58
Example 25 88.78 91.23 92.65
Example 26 88.95 91.14 92.05
Example 27 88.26 90.11 91.29
Example 28 88.49 90.41 90.86
Example 29 89.37 91.27 94.66
Example 30 90.64 91.56 93.78
Example 31 84.32 86.24 89.16
Example 32 85.24 86.87 89.88
Example 33 89.65 91.54 92.67
Example 34 89.64 90.86 92.44
Example 35 89.52 91.05 92.65
Example 36 90.24 92.08 94.11
Example 37 90.64 92.42 93.16
Example 38 91.67 93.64 94.68
Example 39 91.22 93.14 95.24
Example 40 91.19 92.65 94.28
EXAMPLE 41 86.12 87.16 88.35
Comparative example 1 69.13 74.42 54.94
Comparative example 2 68.24 72.43 51.35
Comparative example 3 66.25 71.78 52.46
Comparative example 4 61.36 70.62 48.98
Comparative example 5 60.25 65.13 45.92
By combining the example 15 and the comparative examples 1 to 5 and combining the table 2, the control effect of the bactericide is effectively improved by adopting the compounding of the metalaxyl and the kresoxim-methyl compared with the single effective component of the metalaxyl. After the chlorpyrifos and the carvacrol are added as the antibacterial components, the control effect is further improved, the forchlorfenuron promotes the division of plant cells and fungal cells to further promote the growth of plants, and the carvacrol inhibits the growth of the divided fungal cells, so that the metalaxyl and the kresoxim-methyl can conveniently act on the fungal cells, and the fungal cells are killed to delay the generation of drug resistance.
As can be seen from the combination of example 12, example 15 and example 18 and table 2, the addition ratio of metalaxyl, carvacrol and chlorpyrifos is selected so as to effectively improve the efficacy of the bactericide.
By combining the examples 5 to 7, the examples 14 to 16 and the examples 23 to 25 and combining the table 2, the adding amounts of the metalaxyl and the kresoxim-methyl are selected, so that the pesticide effect of the pesticide during the compounding of the metalaxyl and the kresoxim-methyl is effectively improved.
It can be seen by combining examples 2-28 and table 2 that the fungal cells are killed by metalaxyl and kresoxim-methyl under the condition of small volume by selecting the adding proportion of the metalaxyl, the kresoxim-methyl and the bacteriostatic component, and the bactericidal effect of the metalaxyl and the kresoxim-methyl is effectively improved.
It can be seen from the combination of example 15 and examples 29 to 32 and the combination of table 2 that the dispersing agent and the wetting agent are used as the auxiliary agents, and the adding ratio of the dispersing agent and the wetting agent is selected, so that the wetting dispersibility and the spreadability of each component in water are improved, the residence time of the bactericide on crops is prolonged, and the control effect of the bactericide is improved.
By combining the examples 15 and 33-40 and combining the table 2, it can be seen that the ammonium sulfate and the white carbon black are used as the filler, and the adding ratio of the ammonium sulfate and the white carbon black is adjusted, so that the adsorption effect of the filler on the metalaxyl technical product and the kresoxim-methyl technical product is improved, the dispersion uniformity of the metalaxyl technical product and the kresoxim-methyl technical product is effectively improved, and the control effect of the bactericide is improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. The bactericide containing metalaxyl and kresoxim-methyl is characterized by comprising the following raw materials in parts by weight: 40-60 parts of metalaxyl technical, 10-20 parts of kresoxim-methyl technical, 10-20 parts of antibacterial components, 6-12 parts of auxiliary agents and 8-14 parts of fillers, wherein the antibacterial components comprise carvacrol and forchlorfenuron, and the weight ratio of the carvacrol to the forchlorfenuron is 1-3: 1.
2. The bactericide containing metalaxyl and kresoxim-methyl according to claim 1, which is characterized in that: the weight ratio of metalaxyl technical to kresoxim-methyl technical is 10: 3.
3. The bactericide containing metalaxyl and kresoxim-methyl according to claim 1 or 2, which is characterized in that: the weight ratio of metalaxyl technical, carvacrol and forchlorfenuron is 10:2: 1.
4. The bactericide containing metalaxyl and kresoxim-methyl according to claim 1, which is characterized in that: the auxiliary agent comprises a dispersing agent and a wetting agent, and the weight ratio of the dispersing agent to the wetting agent is 5: 1.
5. The bactericide containing metalaxyl and kresoxim-methyl according to claim 4, which is characterized in that: the dispersing agent comprises a methyl naphthalene sulfonate formaldehyde condensate and a 2-naphthalene sulfonic acid formaldehyde polymer sodium salt, wherein the mass ratio of the methyl naphthalene sulfonate formaldehyde condensate to the 2-naphthalene sulfonic acid formaldehyde polymer sodium salt is 2-4: 3-6.
6. The bactericide containing metalaxyl and kresoxim-methyl according to claim 5, which is characterized in that: the wetting agent is sodium alkyl naphthalene sulfonate, and the weight ratio of the methyl naphthalene sulfonate formaldehyde condensate to the sodium salt of the 2-naphthalene sulfonic acid formaldehyde polymer to the sodium alkyl naphthalene sulfonate is 2:3: 1.
7. The bactericide containing metalaxyl and kresoxim-methyl according to claim 1, which is characterized in that: the filler comprises ammonium sulfate and white carbon black, and the mass ratio of the ammonium sulfate to the white carbon black is 2-4: 2-3.
8. The preparation method of the bactericide containing metalaxyl and kresoxim-methyl as claimed in claims 1 to 7, which is characterized by comprising the following steps: mixing metalaxyl technical, kresoxim-methyl technical, inhibiting component, auxiliary agent and filler, stirring uniformly, and crushing the uniformly mixed raw materials to 355 meshes to prepare the wettable powder.
CN202111611001.6A 2021-12-27 2021-12-27 Bactericide containing metalaxyl and kresoxim-methyl and preparation method thereof Pending CN114208830A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102228022A (en) * 2011-05-06 2011-11-02 浙江泰达作物科技有限公司 Bactericide water dispersible granules compounded from metalaxyl and kresoxim-methyl and preparation method thereof
CN107047563A (en) * 2017-04-20 2017-08-18 广西南宁益土生物科技有限责任公司 A kind of bactericidal composition for preventing and treating Zizyphus maurtiana powdery mildew
CN112438259A (en) * 2020-12-04 2021-03-05 张霞 Bactericide composition for preventing and treating white disease of foxtail millet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102228022A (en) * 2011-05-06 2011-11-02 浙江泰达作物科技有限公司 Bactericide water dispersible granules compounded from metalaxyl and kresoxim-methyl and preparation method thereof
CN107047563A (en) * 2017-04-20 2017-08-18 广西南宁益土生物科技有限责任公司 A kind of bactericidal composition for preventing and treating Zizyphus maurtiana powdery mildew
CN112438259A (en) * 2020-12-04 2021-03-05 张霞 Bactericide composition for preventing and treating white disease of foxtail millet

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