Fungicide composition with two active components and application of fungicide composition

A technology of active components and compositions, which is applied in the field of fungicidal compositions, can solve problems such as waste and increase the pressure of environmental protection, and achieve the effects of prolonging service life, reducing costs, and delaying drug resistance of pathogenic bacteria

Inactive Publication Date: 2017-06-27
SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some unnecessary pesticides are also sprayed on the crops, causi

Method used

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  • Fungicide composition with two active components and application of fungicide composition
  • Fungicide composition with two active components and application of fungicide composition
  • Fungicide composition with two active components and application of fungicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Example 1 Test of Controlling Tomato Leaf Mold

[0052] The potted tomato seedlings at the 5-leaf stage of "L402" were sprayed with active component A, active component B and the aqueous solution (concentration as described below) of the fungicidal composition respectively. After 24 hours, the tomato leaf mold spores The suspension was inoculated on the tomato leaves, and then cultured in a climate chamber with a temperature of 24±1°C and a relative humidity of 90±5%. After 24 hours, it was moved to the greenhouse for normal management. After 10 days, the degree of pathogen infection on the leaves was measured. . See Table 1 and Table 2 for the activity data results of each individual active component and the composition of the present invention against tomato leaf mold. Composition interaction analysis uses the Colby formula described above.

[0053] The results show that the observed potency values ​​of the composition are all greater than the calculated potency val...

Embodiment 2

[0059] Example 2 Experiment of Controlling Cucumber Botrytis

[0060] The potted 2-leaf stage cucumber seedlings with the kind being "Xintai Mici" were sprayed with active component A, active component B and the aqueous solution (concentration as described below) of the fungicidal composition respectively, and after 24 hours, the cucumber ash The mildew spore suspension was inoculated on cucumber leaves, and then cultured in a climate chamber with a temperature of 18±1°C and a relative humidity of 90±5%, and the degree of pathogen infection on the leaves was measured after 4 days. See Table 3 and Table 4 for the activity data results of each individual active component and the composition of the present invention against gray mold of cucumber. Composition interaction analysis uses the Colby formula described above.

[0061] The results show that the observed potency values ​​of the composition are all greater than the calculated potency values, and the composition exhibits a ...

Embodiment 3

[0067] Example 3 Control of rice sheath blight test

[0068] The potted rice seedlings at the 2-leaf stage with the variety being "Liaojing 10" were sprayed with active component A, active component B and an aqueous solution (concentration as described below) of the fungicidal composition respectively, and after 24 hours, the rice sheath blight The mycelia block of the pathogen was inoculated at the base of the rice seedling, and then cultured in a climate chamber with a temperature of 25±1°C and a relative humidity of 70±5%. After 7 days, the degree of pathogen infection on the leaf sheath was measured. See Table 5 and Table 6 for the activity data results of each individual active component and the composition of the present invention for rice sheath blight. Composition interaction analysis uses the Colby formula described above.

[0069] The results show that the observed potency values ​​of the composition are all greater than the calculated potency values, and the compos...

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Abstract

The invention belongs to the field of agricultural bactericides and particularly relates to a fungicide composition containing an SYP-Z048 fungicide and a pyrazole amide fungicide and application of the fungicide composition. The fungicide composition contains active components A and B, wherein the active component A is selected from the SYP-Z048 fungicide, and the active component B is selected from a pyrazole amide fungicide; the weight ratio of the active component A to the active component B is (1 to 100)-(100 to 1); the active component B, namely the pyrazole amide fungicide is selected from fluxapyroxad B1, penflufen B2, bixafen B3, sedaxane B4 or benzoenoxazole B5. The fungicide composition can be processed into multiple dose forms of water-base or oily suspension liquid, powder, particulate matters and the like which can be directly used or blended with water for use. The fungicide composition has an excellent synergistic interaction effect, and the prevention and treatment effects of crop diseases can be obviously improved.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicidal composition containing pyridoxazole and pyrazole amide fungicides and an application thereof. Background technique [0002] The new fungicide pyridoxazole has a novel structure and high fungicidal activity. It has good preventive and therapeutic effects on various plant diseases caused by Ascomycetes, Basidiomycetes and Deuteromycetes, and can effectively control Sclerotinia, Botrytis, Botrytis, Occurrence and damage of leaf mold, leaf spot, early blight, sheath blight, scab, powdery mildew and other plant diseases. [0003] Pyrazole amide fungicides are newly developed succinate dehydrogenase inhibitors, which have a broad bactericidal spectrum and long-lasting effect, and have good control effects on a variety of plant fungal diseases. Disease, rust, head smut, leaf spot, etc. have good control effect. [0004] The history of fungicide use shows...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/56A01P3/00
CPCA01N43/56A01N43/80A01N2300/00
Inventor 李志念孙芹司乃国张立新兰杰
Owner SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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