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Fungicidal composition and its use

A composition and fungicidal technology, applied in the direction of application, bactericide, biocide, etc., can solve the problems of decreased drug efficacy, loss of disease prevention effect, etc., achieve reduced dosage, improved disease control effect, and obvious synergistic effect Effect

Active Publication Date: 2021-06-25
SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The history of fungicide use shows that repeated use of the same type of fungicide for a long time can easily cause some strains of the disease to develop resistance, and the efficacy of the fungicide will be significantly reduced, and even the disease prevention effect will be lost.

Method used

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  • Fungicidal composition and its use
  • Fungicidal composition and its use
  • Fungicidal composition and its use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] Embodiment 1 control wheat powdery mildew test

[0072] The potted two-leaf stage wheat seedlings of the variety "Liaochun 15" were sprayed with the aqueous solution of each active component or composition (the active ingredient concentration is as described in the table below), and after 24 hours, the spores of wheat powdery mildew fungus were shaken off on the wheat Leaves were cultured in a greenhouse, and the degree of development of pathogen infection on the leaves was measured after 7 days.

[0073] See Table 1 and Table 2 for the activity data of each individual active component and the composition of the present invention for controlling wheat powdery mildew.

[0074] Table 1 The activity of individual active components

[0075]

[0076]

[0077] Table 2 Activity of compositions of the present invention

[0078]

[0079]

[0080] The results show that the observed potency values ​​of the composition are all greater than the calculated potency value...

Embodiment 2

[0081] Embodiment 2 control cucumber downy mildew test

[0082] The potted two-leaf stage cucumber seedlings with the kind being "Xintai Mici" are sprayed with the aqueous solution (concentration of the active ingredient is described in the table below) of each active component or composition, and after 24 hours, the sporangia of downy mildew of cucumber are watered. The suspension was inoculated on cucumber leaves and cultured in a climate chamber. After the disease infestation was completed, it was transferred to a greenhouse for cultivation. After 7 days, the development degree of the pathogen infection on the leaves was measured.

[0083] See Table 3 and Table 4 for the activity data of each individual active component and the composition of the present invention for controlling cucumber downy mildew.

[0084] Table 3 The activity of individual active ingredients

[0085]

[0086] The activity of table 4 compositions of the present invention

[0087]

[0088]

...

Embodiment 3

[0090] Example 3 Control of Cucumber Powdery Mildew Test

[0091] The potted three-leaf stage cucumber seedlings with the variety "Xintai Mici" were sprayed with the aqueous solutions (concentrations described in the table below) of each active component or composition. After 24 hours, the cucumber powdery mildew spore suspension was inoculated on the cucumber. leaves, and cultured in the greenhouse, 15 days later, the degree of development of pathogenic infection on the leaves was measured.

[0092] See Table 5 and Table 6 for the activity data of each individual active component and the composition of the present invention for controlling cucumber powdery mildew.

[0093] Table 5 Activity of individual active components

[0094]

[0095] The activity of table 6 compositions of the present invention

[0096]

[0097]

[0098] The results show that the observed potency values ​​of the composition are all greater than the calculated potency values, and the compositio...

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Abstract

The invention belongs to the field of agricultural fungicides, in particular to a fungicide composition and its application. The composition is two active components A and B, and the weight ratio between active component A and active component B is 1:99-99:1; active component A is selected from the following general formula I-1C Compounds and salts thereof, component B are selected from methoxyacrylate fungicides. The fungicidal composition of the present invention is particularly suitable for controlling various phytopathogenic fungal diseases, such as plant powdery mildew, rust, downy mildew, late blight, blight, downy mildew, black mole or sheath blight.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicide composition containing a pyrimidine-containing substituted pyrazole compound and a methoxyacrylate fungicide and an application thereof. Background technique [0002] Patent WO2016184378 discloses a pyrimidine-containing substituted pyrazole compound and its use, in which it is reported that the compound represented by the following general formula I-1C has good activity against various fungal diseases. [0003] [0004] The history of fungicide use shows that repeated use of the same type of fungicide for a long time can easily cause some strains of the disease to develop resistance, and the efficacy of the fungicide will decrease significantly, and even lose the effect of disease prevention. Contents of the invention [0005] The object of the present invention is to provide a fungicidal composition containing a pyrimidine-substituted pyrazole...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N37/36A01N37/50A01N43/56A01N47/24A01N43/40A01N43/16A01P3/00
CPCA01N37/36A01N37/50A01N43/16A01N43/40A01N43/54A01N43/56A01N47/24
Inventor 兰杰李志念刘君丽关爱莹司乃国刘长令王军锋孙芹赵杰单忠刚孙庚
Owner SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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