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Bactericidal composition containing flumorph and metalaxyl-M suspension emulsion and application thereof

A technology of Lingxuan emulsion and mefenaxyl, which is applied in the field of pesticides to achieve the effects of reducing the dosage and cost per mu, good economic and environmental benefits, and low environmental impact

Inactive Publication Date: 2018-01-12
湖南泽丰农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the research of a large number of indoor bioassays and field drug efficacy tests, the inventor found that the combined application of flumorph and metalaxyl has obvious synergistic effect, and the related compounding of flumorph and metalaxyl, At present, there are no relevant reports at home and abroad

Method used

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  • Bactericidal composition containing flumorph and metalaxyl-M suspension emulsion and application thereof
  • Bactericidal composition containing flumorph and metalaxyl-M suspension emulsion and application thereof
  • Bactericidal composition containing flumorph and metalaxyl-M suspension emulsion and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Toxicity Measurement Example 1 Indoor Toxicity Measurement to Cucumber Downy Mildew

[0019] Test object: Cucumber downy mildew

[0020] Test method: refer to the standard method of bioassay NY / T 1156.3-2006, NY / T 1156.6-2006, using the plate leaf method: use a micro-dropper to drop 10 μL of the prepared fresh sporangia suspension on the back of the cucumber leaves treated with the drug , each leaf was inoculated with 4 drops, no less than 5 leaves per treatment, and each treatment was repeated 4 times. After inoculation, cover the dish and place it in a light-biochemical incubator at 19±1°C and a relative humidity of 90% (light-to-dark ratio 12:12) for cultivation. The leaves are treated with chemicals 24 hours after inoculation. The pre-prepared medicinal solutions of different concentrations were evenly sprayed to the back of the prepared moisturizing leaves with an ASS-4 quantitative spray tower, and the spray pressure was 0.3 MPa. After the medicinal liquid is na...

Embodiment 2

[0028] Toxicity Determination Example 2 Indoor Toxicity Determination Test to Grape Downy Mildew

[0029] Test object: grape downy mildew ( Plasmopara uiticola (Berk. dt Curtis) Berl. Et de Tony )

[0030] Test method: refer to the standard method of bioassay NY / T 1156.3-2006, and use the flat plate leaf method.

[0031] Select the diseased leaves, wash the downy mildew sporangia on the back of the leaves with distilled water at 4°C, and make a suspension (control the concentration at 1×10 per milliliter) 5 ~1×10 7 sporangia) and stored at 4°C for later use. Spray the prepared medicinal solutions of different concentrations evenly on the back of the leaves. After the medicinal solutions are naturally air-dried, turn the leaves of each treated leaf upside down, and discharge them into the humid box according to the treatment marks. After 24 hours of drug treatment, 10 uL of the prepared fresh sporangia suspension was inoculated on the back of the leaves. Each leaf was...

Embodiment 140

[0042] Formulation Example 1 40% flumorph • metalaxyl suspoemulsion

[0043] Flumorph 15%, Metalaxyl 25%, OP-10 Phosphate (Emulsifier) ​​10%, Octylphenol Polyoxyethylene Ether Sulfate (Dispersant) 6%, Capric Acid (Defoamer) 0.5 %, hydroxyethyl cellulose (thickener) 0.1%, glycerol (antifreeze) 0.1%, sodium benzoate (preservative) 0.1%, deionized water to 100% to make 40% flumorph• Fine armor frost spirit suspoemulsion.

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Abstract

The invention relates to a bactericidal composition. Effective components of the bactericidal composition comprise flumorph and metalaxyl-M, the mass ratio of the flumorph to metalaxyl-M is (10 to 1)to (1 to 10), preferably, (2 to 1) to (1 to 2), the total mass percent of the effective components is 10%-50%. The bactericidal composition can be prepared into suspension emulsion. The compounded bactericidal composition has a remarkable synergistic effect, and can better prevent and cure frosty mildew of vegetables and fruit trees.

Description

technical field [0001] The invention relates to a bactericidal composition, especially a bactericidal composition containing flumorph and metalaxyl, and belongs to the technical field of pesticides. Background technique [0002] Flumorph: English name: flumorph, chemical name: (E,Z)4-[3-(3',4'-dimethoxyphenyl)-3-(4-fluorophenyl)acryloyl]? phylloline, molecular formula: C 21 h 22 FNO 4 . The drug is an acryloylmorpholine fungicide, which has the characteristics of high efficiency, low toxicity, low residue, long residual effect, both protective and therapeutic effects, and is safe for crops. It has a good control effect on cucumber downy mildew. [0003] Metalaxyl: English name: metalaxyl-m, chemical name: N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-D-alanine methyl ester, CAS number: 70630-17 -0, molecular formula: C 15 h 21 NO 4 . Metalaxyl has high-efficiency and long-lasting control effect on crop diseases caused by downy mildew, phytophthora, and pythium, such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/38A01N43/84A01N37/46A01N25/04A01P3/00
Inventor 赵立荣黄瑛张小敏吕伟民何焯荣
Owner 湖南泽丰农化有限公司
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