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Bactericidal composition compounded by prochloraz and pyrimethanil

A kind of composition, the technology of prochloraz, applied in the field of compound plant fungicides

Active Publication Date: 2009-10-28
盐城市大丰区生产力促进中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: in view of the resistance of prochloraz in practical applications and the crop and soil residue problems caused by the increase in application amount, two kinds of fungicides with different bactericidal principles are screened out for compounding

Method used

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  • Bactericidal composition compounded by prochloraz and pyrimethanil
  • Bactericidal composition compounded by prochloraz and pyrimethanil
  • Bactericidal composition compounded by prochloraz and pyrimethanil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032]Embodiment 1, emulsifiable concentrate (the total parts by weight of preparation is 100 parts)

[0033] Prochloraz 22.0 parts by weight

[0034] Pyrimethanil 6.0 parts by weight

[0035] Castor oil polyethylene glycol ether (40 moles of ethylene oxide) 6.0 parts by weight

[0036] Calcium dodecylbenzenesulfonate 4.0 parts by weight

[0037] 3.0 parts by weight of octylphenol polyethylene glycol ether

[0038] Cyclohexanone 25.0 parts by weight

[0039] Xylene mixture balance

[0040] Dilution of this concentrate with water gives dilute emulsified liquids of any concentration used in plant protection.

Embodiment 2

[0041] Embodiment 2, water dispersible granule (the total parts by weight of preparation is 100 parts)

[0042] Prochloraz manganese salt 25.0 parts by weight

[0043] Pyrimethanil 40.0 parts by weight

[0044] 2.0 parts by weight of polyvinyl alcohol

[0045] 6.0 parts by weight of sodium 2,2-dinaphthylmethane-6,6-disulfonate

[0046] Sodium oleoyl methyl taurate 4.0 parts by weight

[0047] Calcium carbonate 8.0 parts by weight

[0048] water balance

[0049] Grinding the above raw materials in water to obtain the required particle size, adjusting its concentration and viscosity to obtain a slurry for spraying, and then quantitatively sending the slurry into a drying tower for spray drying to obtain the product. Wherein the prochloraz manganese salt is N-propyl-N[2-(2,4,6-trichlorophenoxy)ethyl]-1-H-imidazole-1-carboxamide-manganese chloride.

Embodiment 3

[0050] Embodiment 3, wettable powder (the total parts by weight of preparation is 100 parts)

[0051] 41 parts by weight of prochloraz copper salt

[0052] Pyrimethanil 14 parts by weight

[0053] Sodium lignosulfonate 4 parts by weight

[0054] Polyoxyethylene octylphenyl ether (8-9 mole ethylene oxide) 3 parts by weight

[0055] Alkyl polyoxyethyl ether sulfonate 5 parts by weight

[0056] Attapulgite balance

[0057] The active ingredient is thoroughly mixed with the auxiliary agent, and it is thoroughly ground in a suitable mill, and the obtained wettable powder can be diluted with water to form a suspension of the required concentration. Wherein the prochloraz copper salt is N-propyl-N-2-(2,4,6-trichlorophenoxy)ethyl]-1-H-imidazole-1-carboxamide-copper chloride.

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Abstract

The invention provides a bactericidal composition, which comprises an active component A and an active component B, wherein the component A is prochloraz or an agriculturally acceptable salt compound thereof, and the component B is pyrimethanil. The weight ratio of the component A to the component B is between 0.05 and 50, preferably between 0.08 and 30. The invention also provides a preparation method and application of the composition. Test results show that the bactericidal composition has obvious synergy, more important, the application rate is greatly reduced, the use cost is reduced, andfor certain diseases generating resistance to a prochloraz single agent, the bactericidal composition still has high activity. The bactericidal composition can effectively control certain special fungal diseases of crops, such as food crops, economic crops, fruits, vegetables, flowers and the like. By compounding bactericides with different action mechanisms and action modes, the bactericidal composition effectively reduces the application rate of each single agent, and has good functions in the aspects of enlarging the bactericidal spectrum, delaying the fungal resistance, improving the control effect and the like.

Description

technical field [0001] The invention belongs to the field of fungicides, in particular to a compound plant fungicide containing prochloraz or an agriculturally acceptable salt compound thereof and pyrimethanil and the application of the fungicide in the agricultural field. Background technique [0002] Prochloraz is a broad-spectrum fungicide, the most active variety among carbamoyl imidazoles, has good conductivity, and has good effects on various diseases caused by Ascomycetes, Basidiomycetes, and Deuteromycetes. It can also be used for antiseptic preservation of fruits after harvesting. The main bactericidal principle is to destroy the function of the bacterial cell membrane by affecting the biosynthesis of sterols, and eventually lead to cell death. Prochloraz has therapeutic, preventive and eradicative effects on various diseases on field crops, fruits, vegetables, turf and ornamental plants. The use of prochloraz began in the 1970s. With the popularization and promot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/54A01P3/00
Inventor 仲汉根
Owner 盐城市大丰区生产力促进中心
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