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Propiconazole-containing bactericidal composition

A composition, the technology of propiconazole, applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of increasing environmental pollution and increasing the burden on farmers, so as to reduce the dosage of drugs, reduce the speed of germ resistance, and improve Effects on Crop Safety

Active Publication Date: 2014-05-07
INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the resistance of bacteria, frequent application of pesticides has caused increased burden on farmers and increased environmental pollution. There is an urgent need for new varieties of fungicides with high efficiency, low toxicity, safety and environmental protection

Method used

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  • Propiconazole-containing bactericidal composition
  • Propiconazole-containing bactericidal composition
  • Propiconazole-containing bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 48% propiconazole · fluoxamid wettable powder

[0032] Propiconazole 8%, Fluoxamid 40%, Sodium lauryl sulfate (wetting agent) 2%, Sodium lignosulfonate (dispersant) 5%, White carbon black (filler) 10%, Kaolin (filler) make up to 100%.

[0033] Mix the mixture thoroughly, and pulverize it with a jet mill to obtain 48% propiconazole·fluoxamid wettable powder.

[0034] The wettable powder of the propiconazole of following different content can be prepared by the similar method of embodiment 1:

[0035]

[0036]

Embodiment 6

[0038] 22% propiconazole · fluoxamid suspension concentrate

[0039] Propiconazole 2%, Fluoxamid 20%, Sodium methylnaphthalene sulfonate formaldehyde condensate (wetting agent) 10%, Xanthan gum (thickener) 1%, Nongru 700# phosphate (dispersion Agent) 3%, ethylene glycol (antifreeze) 4%, water to make up to 100%.

[0040] Mix the above-mentioned components uniformly according to the ratio of the formula, and obtain a 22% propiconazole·fluoxamid suspension concentrate after grinding and / or high-speed shearing.

[0041] The propiconazole suspending agent of following different content can be prepared by the similar method of embodiment 6.

[0042]

Embodiment 11

[0044] 66% Propiconazole · Fluoxamid Water Dispersible Granules

[0045] Propiconazole 6%, Fluoxamid 60%, Sodium alkylnaphthalene sulfonate (wetting agent) 2%, Sodium lignosulfonate (dispersant) 1.5%, Sodium lauryl sulfate (dispersant) 2%, supplemented to 100% by sulfuric acid (disintegrant).

[0046] Mix the active ingredient, dispersant, wetting agent and disintegrant according to the proportion of the formula, and then crush it into a wettable powder by airflow, then add a certain amount of water to mix and extrude the material, and obtain 66% propane after drying and screening. Cyclozol·flubuxamid water dispersible granules.

[0047] The following propiconazole water-dispersible granules with different contents can be prepared in a similar manner to Example 11.

[0048]

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Abstract

The invention relates to a propiconazole-containing bactericidal composition which comprises active ingredients comprising a first active ingredient and a second active ingredient, wherein the first active ingredient is propiconazole; the second active ingredient is fluopicolide or iprovalicarb; and the mass ratio of the first active ingredient to the second active ingredient is (40-1):(1-60). The propiconazole and the fluopicolide or iprovalicarb are compounded and have obvious synergy, and the bactericidal composition is mainly used for preventing oomycetes diseases of crops. The composition can be prepared into agricultural acceptable wettable powder, water dispersible granules and suspending agents. The bactericidal composition is reasonable in component, good in sterilization effect and low in medication cost, the activity and sterilization effect are not simple superposition of the activities of the components, and compared with the conventional single preparation, the bactericidal composition has obvious sterilization effect and obvious synergistic effect, is pollution-free on crops and is high in safety.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing propiconazole, and belongs to the technical field of bactericides. Background technique [0002] Downy mildew is an oomycete disease, which is mainly transmitted by airflow, watering, farming and insects. In areas and years with more rainfall, these diseases are easy to spread and have a great impact on crop yields. Once they occur, it is difficult to prevent and control them. Commonly used medicaments for the prevention and treatment of such diseases include dimethomorph, metalaxyl, propamocarb, fluoxamid, valitecarb, etc. and their mixtures. Due to the resistance of pathogens, frequent application of pesticides has increased the burden on farmers and environmental pollution. There is an urgent need for new varieties of fungicides with high efficiency, low toxicity, safety and environmental protection. [0003] Propiconazole is a systemic fung...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/12A01N43/653A01N43/40A01P3/00
Inventor 马志强毕秋艳张小风王文桥韩秀英
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI