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Pesticide composition, suspended seed coating and application thereof

A technology of pesticide composition and suspension seed coating agent, which is applied in application, biocide, animal repellent, etc., can solve the problems of unsatisfactory control effect and high toxicity, and achieve the reduction of drug resistance risk, long validity period and high potency concentrated effect

Inactive Publication Date: 2017-03-15
JIANGSU SUBIN AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are few pesticides used to prevent and treat corn stalk rot, and the toxicity is relatively high, so the control effect is not ideal

Method used

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  • Pesticide composition, suspended seed coating and application thereof
  • Pesticide composition, suspended seed coating and application thereof
  • Pesticide composition, suspended seed coating and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 Screening of pesticide compositions that can efficiently prevent and treat corn stalk rot

[0025] 1.1 Test strains

[0026] Pythium melon: Pythium aphanidermatum.

[0027] Fusarium moniliforme: Fusarium moniliforme.

[0028] 1.2 Drugs to be tested:

[0029] 95% fludioxonil technical product, provided by Jiangsu Subin Bio-agrochemical Co., Ltd.

[0030] 92% Nafenaxyl original drug was provided by Jiangsu Subin Bio-agrochemical Co., Ltd.

[0031] 95% azoxystrobin technical, provided by Jiangsu Subin Biological Agrochemical Co., Ltd.

[0032] The original drugs of fludioxonil and mefenaxyl were respectively dissolved in acetone to prepare a 10000 mg / L mother solution. The original drug of azoxystrobin was dissolved in ethanol to prepare a 1000mg / L mother solution for later use.

[0033] 1.3 Test steps

[0034] 1.3.1 Combined effect of metalaxyl and azoxystrobin

[0035] The combined effect of metalaxyl-ethyl and azoxystrobin on Pythium melon fruit was de...

Embodiment 2

[0068] Embodiment 2 suspension agent seed coating

[0069] Suspension agent seed coating agent A: according to mass percentage, metalaxyl 3.3%, fludioxonil 1.1%, azoxystrobin 6.6%, alkylphenol formaldehyde resin polyoxyethylene ether (wetting and dispersing agent) 6%, poly Vinyl alcohol (film former) 0.4%, toluidine red (colorant) 2.0%, xanthan gum (thickener) 0.3%, ethylene glycol (antifreeze) 6.0%, polydimethylsiloxane (silicon Ketone defoamer) 0.3%, sodium benzoate (preservative) 0.2%, and the rest is water.

[0070] Suspension seed coating agent B: in terms of mass percentage, metalaxyl-1.8%, fludioxonil 0.6%, azoxystrobin 3.6%, phenethylphenol polyoxyethylene ether (wetting and dispersing agent) 5%, polyethylene Glycol (film former) 0.3%, permanent pink FB (colorant) 1.8%, xanthan gum (thickener) 0.3%, glycerin (antifreeze) 5.0%, polydimethylsiloxane (silicone antifoaming agent) 0.3%, sodium benzoate (preservative) 0.2%, and the rest is water.

[0071] Suspension agent...

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PUM

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Abstract

The invention provides a pesticide composition, a suspended seed coating and application thereof, and belongs to the technical field of pesticide preparations. Active ingredients of the pesticide composition comprise metalaxyl and azoxystrobin according to the mass ratio of 0.4-10: 0.5-3. The suspended seed coating contains 0.5-10% of fludioxonil, 1-15% of metalaxyl, 1-20% of azoxystrobin, 0.5-10.0% of a wetting dispersant, 0.1-10% of a film forming agent, 0.05-3.5% of a thickening agent, 1-10% of an antifreezing agent, 0.1-1% of a preservative, 0.05-0.5% of a defoamer, 1-10% of a coloring agent and the rest of water. The active ingredients of the pesticide composition and the suspended seed coating thereof have excellent inhibiting effect on pythium aphanidermatum and / or fusarium moniliforme, and can be used for preventing and controlling maize stalk rot, rice bakanae disease and damping-off, peanut seedling dry rot and root rot, cotton damping-off and blight.

Description

technical field [0001] The invention belongs to the technical field of pesticide preparations, and in particular relates to a suspension seed coating agent whose active ingredients are fludioxonil, mefenaxyl and azoxystrobin and a preparation method thereof. Background technique [0002] Fludioxonil is an pyrrole fungicide, mainly used for seed treatment to prevent and control seed-borne or soil-borne fungal diseases, such as Fusarium nivalis. Metalaxyl is a systemic fungicide with protective and therapeutic effects. It is mainly used to prevent diseases caused by fungi such as Pythium and Phytophthora. Azoxystrobin is a methoxyacrylate fungicide, which has protective, therapeutic and eradicating effects, and has good effects on various fungal diseases. [0003] Corn stalk rot, also known as bacterial wilt and stalk rot, is a serious soil-borne disease that commonly occurs in corn production areas in the world. Because the backbone inbred lines and hybrids are not strong r...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N37/46A01N43/36A01N25/04A01P3/00
CPCA01N43/54A01N25/04A01N37/46A01N43/36A01N2300/00
Inventor 马汝海王琦赵福兵
Owner JIANGSU SUBIN AGROCHEM
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