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Bactericidal composition containing benthiavalicarb-isopropyl and fenaminstrobin and application thereof

The technology of fenoxime and benthiamid, applied in the field of pesticides, can solve the problems of increased prevention and control costs, aggravated environmental pollution, etc., and achieves the effects of improving the control effect, expanding the control spectrum, and improving the synergistic effect.

Inactive Publication Date: 2018-12-07
JIANGXI HEYI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, due to single drug use and unscientific drug use methods, many pathogenic bacteria such as downy mildew and powdery mildew have developed resistance to many currently used pesticides, and the resistance is becoming more and more serious. The increase in dosage and frequency of spraying not only increases the cost of prevention and control, but also aggravates the environmental pollution, which has become a major problem in chemical prevention and control.

Method used

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  • Bactericidal composition containing benthiavalicarb-isopropyl and fenaminstrobin and application thereof
  • Bactericidal composition containing benthiavalicarb-isopropyl and fenaminstrobin and application thereof
  • Bactericidal composition containing benthiavalicarb-isopropyl and fenaminstrobin and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0040] Biological Assay Example 2, Indoor Toxicity Determination Test on Cucumber Downy Mildew Combined with Benthiopyram and Enoxastrobin

[0041] Test object: Cucumber downy mildew pathogen

[0042] The potted method was used in this experiment. Use a brush to dip in distilled water at about 10°C to wash the sporangia on the back of cucumber leaves with downy mildew bacteria collected from the artificial climate room, and make 2.0-3×10 5 sporangia / mL suspension. Select two cucumber seedlings at the true leaf stage with the same growth, and select 5 pots of test melon seedlings for each treatment, and spray them with a Potter spray tower at a pressure of 50PSI, about 5mL for each treatment. Five concentration gradients were set for each agent, and the same amount of water was sprayed as a blank control. Spray and inoculate the sporangium suspension of cucumber downy mildew after 24 hours of chemical treatment. After the inoculation, place the cucumber seedlings in an artif...

Embodiment 1

[0068] Embodiment 1: 20% benthiazil · enoxastrobin suspension concentrate

[0069] Benthiopyram 16%, Enoxastrobin 4%, Ethylene Glycol (Antifreeze) 5%, Pull-off Powder (Wetting Agent) 1.5%, Sodium Lignosulfonate (Dispersant) 6%, Xanthan Gum (thickener) 0.2%, sodium benzoate (preservative) 0.2%, silicone defoamer (defoamer) 0.1%, deionized water to make up to 100%.

[0070] Embodiment 2: 31% benthiazil · enoxastrobin suspension concentrate

[0071] Benthiopyram 1%, Enoxastrobin 30%, Ethylene Glycol (Antifreeze) 5%, Pull-off Powder (Wetting Agent) 1.5%, Sodium Lignosulfonate (Dispersant) 3%, Methylene Sodium bis-naphthalene sulfonate (dispersant) 2%, xanthan gum (thickener) 0.1%, magnesium aluminum silicate (thickener) 0.5%, sodium benzoate (preservative) 0.2%, silicone defoamer ( defoamer) 0.1%, deionized water to make up to 100%.

Embodiment 3

[0072] Embodiment 3: 40% benthiazil · enoxastrobin suspension concentrate

[0073] Benthiopyram 20%, Enoxastrobin 20%, Ethylene Glycol (Antifreeze) 5%, Pull-off Powder (Wetting Agent) 1.5%, Sodium Lignosulfonate (Dispersant) 2%, Polycarboxylic Acid Salt (dispersant) 3%, xanthan gum (thickener) 0.1%, sodium benzoate (preservative) 0.2%, silicone defoamer (defoamer) 0.1%, deionized water to make up to 100%.

[0074] Examples of wettable powder

[0075] The active ingredients of pesticides, additives and fillers are evenly mixed according to the ratio of the formula, and the wettable powder is obtained by jet crushing and then mixing.

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Abstract

The invention discloses a bactericidal composition containing benthiavalicarb-isopropyl and fenaminstrobin. The active ingredients of the bactericidal composition comprise the benthiavalicarb-isopropyl and fenaminstrobin, wherein a mass ratio of the benthiavalicarb-isopropyl to fenaminstrobin is 50:1 to 1:50, and the balance of the composition refers to allowable and acceptable auxiliary ingredients in pesticides. The bactericidal composition disclosed by the invention can be prepared into suspending agents, wettable powder, water dispersible granules, micro emulsion, emulsion in water, granules and suspended seed coatings by using the existing methods. The composition disclosed by the invention has an obvious synergistic effect, can be used for controlling multiple plant diseases on cropssuch as vegetables, melons, fruits and the like, and is particularly applicable to control of downy mildew, powdery mildew and banded sclerotial blight.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing benthiazil and enoxastrobin and its application for preventing and controlling crop diseases, belonging to the technical field of pesticides. Background technique [0002] Benthiacarb, English name: Benthiavalicarb-isopropyl, chemical name: [[(6-fluorobenzothiazol-2-yl)-ethylcarbamoyl]-2-methylpropyl]carbamate isopropyl. Benthiopyram is a new type of fungicide jointly developed by Japan Combination Chemical Company and Ihara Company in 1992. Its active point is the substituted fluorine atom on the benzene ring and the amino acid peptide structure. This compound has high selectivity and is mainly effective for crops. Late blight and downy mildew caused by oomycetes have good preventive and therapeutic activities. [0003] Enoxastrobin, chemical name: (E, E, E)-N-methyl-2-[((((1-methyl-3-(2,,6,-dichlorophenyl)-2- propenyl)imino)oxy)methyl)phenyl]...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N37/50A01P3/00
CPCA01N37/50A01N47/12
Inventor 姚英娟詹敏敏冯亚东甄长征杨的妹
Owner JIANGXI HEYI CHEM
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