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Ternary fungicidal mixtures

Inactive Publication Date: 2020-05-07
BAYER CROPSCIENCE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The ternary mixture demonstrates superior efficiency and synergistic effects compared to prior art, providing enhanced control of harmful microorganisms while addressing resistance and environmental concerns.

Problems solved by technology

Since the ecological and economic demands made on modern active ingredients, for example fungicides, are increasing constantly, for example with respect to activity spectrum, toxicity, selectivity, application rate, formation of residues and favourable manufacture, and there can also be problems, for example, with resistances, there is a constant need to develop novel fungicidal compositions which have advantages over the known compositions at least in some areas.

Method used

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  • Ternary fungicidal mixtures
  • Ternary fungicidal mixtures
  • Ternary fungicidal mixtures

Examples

Experimental program
Comparison scheme
Effect test

examples

[0330]The advanced fungicidal activity of the active compound combinations according to the invention is evident from the example below. While the individual active compounds exhibit weaknesses with regard to the fungicidal activity, the combinations have an activity which exceeds a simple addition of activities.

[0331]A synergistic effect of fungicides is always present when the fungicidal activity of the active compound combinations exceeds the total of the activities of the active compounds when applied individually. The expected activity for a given combination of two active compounds can be calculated as follows (cf. Colby, S. R., “Calculating Synergistic and Antagonistic Responses of Herbicide Combinations”, Weeds 1967, 15, 20-22):

[0332]If[0333]X is the efficacy when active compound A is applied at an application rate of m ppm (or g / ha),[0334]Y is the efficacy when active compound B is applied at an application rate of n ppm (or g / ha),[0335]Z is the efficacy when active compoun...

example

[0342]Puccinia triticina-Test (Wheat) / Preventive[0343]Solvent: 49 parts by weight of N,N-dimethylacetamide[0344]Emulsifier: 1 part by weight of alkylaryl polyglycol ether

[0345]To produce a suitable preparation of active compound, 1 part by weight of active compound or active compound combination is mixed with the stated amounts of solvent and emulsifier, and the concentrate is diluted with water to the desired concentration.

[0346]To test for preventive activity, young plants are sprayed with the preparation of active compound or active compound combination at the stated rate of application.

[0347]After the spray coating has been dried, the plants are sprayed with a spore suspension of Puccinia triticina. The plants remain for 48 hours in an incubation cabinet at approximately 20° C. and a relative atmospheric humidity of approximately 100%.

[0348]The plants are placed in the greenhouse at a temperature of approximately 20° C. and a relative atmospheric humidity of approximately 80%.

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Abstract

The present invention relates to novel mixtures, to processes for preparing these compounds, to compositions comprising these mixtures, and to the use thereof as biologically active compounds, especially for control of harmful microorganisms in crop protection and in the protection of materials and for enhancing plant health.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation application of U.S. patent application Ser. No. 15 / 840,107, filed Dec. 13, 2017, which is a continuation application of U.S. patent application Ser. No. 14 / 443,459, filed May 18, 2015, now U.S. Pat. No. 9,943,082, issued Apr. 17, 2018, which is a § 371 National Stage Application of PCT / EP2013 / 074573, filed 25 Nov. 2013, which claims priority to EP 12195171.9, filed Nov. 30, 2012. These applications are incorporated herein by reference in their entireties.BACKGROUNDField of the Invention[0002]The present invention relates to novel mixtures, to a process for preparing these mixtures, to compositions comprising these mixtures, and to the use thereof as biologically active mixtures, especially for control of harmful microorganisms in crop protection and in the protection of materials and for enhancing plant health.Description of Related Art[0003]Carboxamides of the General Formulawherein[0004]R1 represents a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N43/56A01N37/50A01N43/653C07D231/14A01N37/52A01N59/20A01N55/00A01N43/40
CPCA01N43/653A01N59/20A01N43/56A01N37/52A01N37/50A01N43/40A01N55/00C07D231/14A01N43/54A01N47/24A01N2300/00
Inventor DAHMEN, PETERRIECK, HEIKODUBOST, CHRISTOPHE
Owner BAYER CROPSCIENCE AG