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Compound sterilizing agent containing fluopicolide and fludioxonil and application of sterilizing agent

A technology for compounding fungicides and fluopyram, which is applied in the field of pesticides to achieve the effects of unique mechanism of action, good quick-acting and long-lasting effects, and delaying the drug resistance of pathogenic bacteria

Inactive Publication Date: 2013-06-26
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

[0008] So far, there have been no reports on the use of fluopyram and fludioxonil to develop a mixture to control cucumber downy mildew, potato / tomato late blight, vegetable gray mold, cucumber root rot, and pepper blight.

Method used

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  • Compound sterilizing agent containing fluopicolide and fludioxonil and application of sterilizing agent
  • Compound sterilizing agent containing fluopicolide and fludioxonil and application of sterilizing agent
  • Compound sterilizing agent containing fluopicolide and fludioxonil and application of sterilizing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Embodiment 1: the wettable powder of compound fungicide

[0069] Preparation: 20% fluopyram·fludioxonil WP (1:1, w / w): take 10.42 kg of 96% fluopyram original drug, 10.42 kg of 96% fludioxonil original drug, add 2kg M-9, 1.5kgCMC, 5kg sodium dodecylbenzene sulfonate, 70.67kg light calcium, after mixing and stirring, enter the primary crushing (particle fineness reaches 80 orders); after mixing and stirring again, enter the secondary crushing (particle fineness reaches 325 mesh), packaged as a product.

Embodiment 2-6

[0070] Embodiment 2-6: wettable powder

[0071] The preparation method is the same as in Example 1, except that the components listed in Table 1 are different.

[0072] Table 1 Example 2-6 Components

[0073]

[0074]

Embodiment 1-6

[0075] Example 1-6 Compound fungicide fluopyram · fludioxonil WP quality inspection

[0076] 1) Active ingredient content: The contents of fluopicolide and fludioxonil were determined by liquid chromatography, and the results showed that the contents of active ingredients in Fluopicolide·fludioxonil WP in Examples 1-6 were all greater than 20.00%.

[0077] 2) Determination of wettability: carried out in accordance with GB / T5451-2001 Determination of Wettability of Wettable Powder of Peppercorns. Example 1-6 The wetting time of fluopyram·fludioxonil WP is 55s.

[0078] 3) Determination of suspension rate: according to GB / T14825-2006 Determination of Suspension Rate of Pesticide Wettable Powder. Example 1-6 The suspension rate of fluopicolide·fludioxonil WP is above 85%.

[0079] 4) Determination of fineness: according to the wet sieving method in GB / T16150-1995 Pesticide Wettable Powder Fineness Determination Method. Fluopicolide·fludioxonil WP of Example 1-6 passing through...

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Abstract

The invention discloses a compound sterilizing agent and application thereof. The compound sterilizing agent consists of fluopicolide and fludioxonil with the mass ratio of (1-9): (1-9), the preferred mass ratio of (1-7): (1-5) or the more-preferred mass ratio of (1-5): (1-3). The compound sterilizing agent can be used for preventing and treating plant diseases such as vegetable downy mildew, late blight, gray mold, cucumber root rot and pepper phytophthora blight. The compound sterilizing agent disclosed by the invention is good in quick acting and persistence, has a unique action mechanism, more action sites and a wide bacteriocidal spectrum, is high in biosafety, simple in preparation process and low in cost and has obvious economic benefits.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a compound fungicide containing fluopicolide and fludioxonil and an application thereof. Background technique [0002] Vegetable oomycete diseases are caused by the infection of oomycetes of the flagellate subphylum, among which oomycetes such as Phytophthora, Peronospora, and Pythium are important pathogens, which mainly harm vegetable crops such as Brassicaceae, Solanaceae, and Cucurbitaceae, causing Damping-off disease, cotton rot, blight, cotton blight, downy mildew and root rot, etc., resulting in a substantial reduction in production or even a failure [1] . Especially downy mildew and Phytophthora have a short incubation period and many times of re-infection. The pathogens can develop rapidly within one growing season of the plants and cause the epidemic of diseases, resulting in serious losses of agricultural production. For example, cucumber downy mildew can cause ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N43/36A01P3/00
Inventor 王文桥孟润杰张小风马志强韩秀英赵建江
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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