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Composition containing pyraziflumid and usage thereof

A bixafen and composition technology, which is applied in the field of compositions containing bixafen, can solve the problems of reduced control effect, large dosage, and increased resistance

Active Publication Date: 2018-06-26
JILIN AGRI SCI & TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, in the process of preventing and treating crop diseases, the above-mentioned medicaments will have a large dosage or long-term use resistance will increase, and the control effect will decrease. In order to solve the above technical problems, the present invention provides a combination of pyrazicarb thing

Method used

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  • Composition containing pyraziflumid and usage thereof
  • Composition containing pyraziflumid and usage thereof
  • Composition containing pyraziflumid and usage thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Example 1: Combined toxicity effect experiment of different compound agents on sclerotinia sclerotiorum

[0058] In this experiment, the sensitive strains of Sclerotinia ginseng were used as the object, and the formula screening of the compound medicine was carried out. After the involved bixafen, prothioconazole, boscalid and fluazinam were dissolved in acetone, the experiment was designed according to the mass ratio.

[0059] Refer to Sun Yunpei's (1960) co-toxicity coefficient method to determine the inhibition rate of fungicides bixafen, prothioconazole, boscalid and fluazinam single agents and fungicidal compositions with different weight ratios of active ingredients.

[0060] Indoor joint toxicity test adopts the toxic medium method, that is, adding a certain amount of the test agent (calculated according to the active ingredient) in the PDA medium, taking the PDA medium without the agent as the control, and inoculating the test sclerotia after cooling After 48 h...

Embodiment 2

[0074] Example 2: Field efficacy test of different compound agents for preventing and treating botrytis cinerea, powdery mildew, sclerotinia, etc.

[0075] Use bixafen, prothioconazole, boscalid and fluazinam single agents and their combination preparations to spray treatment at the early stage of strawberry gray mold in the protected area, and spray twice with an interval of 7 days, 15 days after the second application of the drug to investigate the control effect; in the early stage of cucumber powdery mildew, spraying treatment was carried out, and the drug was applied twice with an interval of 7 days, and the investigation was carried out 15 days after the application; Spray treatment, spraying twice, with an interval of 7 days, and survey 20 days after the spraying. In the early stage of cucumber gray mold, spray treatment, spraying twice, with an interval of 7 days, and survey 20 days after the spraying; in the case of strawberry powdery mildew In the initial stage, spra...

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Abstract

The invention includes a composition containing pyraziflumid and usage thereof. Specifically, a bactericidal composition provided by the invention is characterized by containing a bactericidal activeingredient A and a bactericidal active ingredient B; the bactericidal active ingredient A is a compound as shown in a formula (I) and named as pyraziflumid; and the bactericidal active ingredient B isone of prothioconazole, boscalid and fluazinam. The bactericidal composition of the invention can achieve unexpected synergism in preventing and controlling ginseng sclerotinia disease, cabbage sclerotinia disease, strawberry gray mold, strawberry powdery mildew, cucumber powdery mildew, cucumber gray mold, cucumber sclerotinia disease, tomato gray mold, tomato sclerotinia disease, eggplant graymold, pepper gray mold, and capsicum sclerotinia disease.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a composition containing bixafen and its application. Background technique [0002] The scientific name of Pyraziflumid (test code NNF-0721) (hereinafter referred to as bixafen) is N-(3',4'-difluorobiphenyl-2-yl)-3-(trifluoromethyl) Pyrazine-2-carboxamide, the pesticide was created by Nippon Noroyaku Co., Ltd. Its mechanism of action is the inhibition of succinate dehydrogenase, and it is mainly used to prevent and control powdery mildew, scab, gray mold, Sclerotinia, ring spot, fruit spot and money spot etc. [0003] Chinese Patent Application No. 200680046968.1 discloses the structural formula of bixafen, and describes its preparation method and experimental effect of controlling plant diseases. [0004] WO2016060230A1 discloses the preparation of bixafen, which mentions that the second active ingredient in the preparation can be any fungicide, but it does not ...

Claims

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Application Information

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IPC IPC(8): A01N43/60A01N43/653A01N43/40A01P1/00A01P3/00
CPCA01N43/40A01N43/60A01N43/653A01N25/04A01N25/02A01N25/14A01N25/12
Inventor 范文忠
Owner JILIN AGRI SCI & TECH COLLEGE
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