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A composition containing zj10520 and pyrimidine fungicides

A technology of ZJ10520 and composition, which is applied in the field of pesticides, can solve the problems of reducing the control effect and the resistance of pathogens in crops, and achieve the effects of reducing the dosage, excellent synergistic effect, and slowing down the resistance

Active Publication Date: 2020-05-29
ZHEJIANG RES INST OF CHEM IND CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, long-term use of the same type of fungicide will cause the crops to develop resistance to bacteria and reduce the control effect

Method used

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  • A composition containing zj10520 and pyrimidine fungicides
  • A composition containing zj10520 and pyrimidine fungicides
  • A composition containing zj10520 and pyrimidine fungicides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Example 1, ZJ10520 combined with pyrimethanil for indoor toxicity determination of Botrytis cinerea

[0062] Test object: Botrytis cinerea, provided by the strain room of the unit.

[0063] Test method: refer to the method of mycelial growth rate in "Agricultural Industry Standard of the People's Republic of China NY / T 1156.2-2006". Set 5 doses for each agent according to the content of active ingredients, and culture the above-mentioned pathogenic bacteria with PDA medium. The bacteria block was moved to the center of the pre-prepared toxic PDA medium, and then cultured in a 25°C incubator, and each treatment was repeated 4 times. Depending on the growth of the CK colony, use the cross method to measure the colony diameter cm of each treatment with a caliper, and calculate the corrected inhibition percentage. Through the linear regression analysis between the probability value of the inhibition rate and the logarithmic value of the serial concentration, the EC of eac...

Embodiment 2

[0074] Example 2, Indoor toxicity determination of ZJ10520 and pyrimidol compounded against apple anthracnose

[0075] Test object: apple anthracnose bacterium (Gleosporium fructigenum Berk), provided by the strain room of the unit. The test method and drug efficacy calculation refer to Example 1.

[0076] Table 2. Indoor toxicity test results of ZJ10520 and pyrimidine compound against apple anthracnose

[0077]

[0078]

Embodiment 3

[0079] Example 3, Determination of indoor activity of ZJ10520 and cyprodinil compounded against wheat powdery mildew

[0080] Test object: Wheat powdery mildew pathogen (Erysiphe graminis), subcultured by long-term living organisms in our laboratory.

[0081] Test method: select a susceptible variety (Yangmai No. 6) for pot planting, wait for the seedlings to grow to the 2-3 leaf stage, spray and dry naturally, and gently spread the fresh spores of powdery mildew bacteria produced on the diseased wheat leaves within 24 hours. Shake off and inoculate on potted wheat seedlings at the 2-3 leaf stage treated with the medicament. After inoculation, the test materials were moved to 20°C and controlled relative humidity of about 80% for cultivation in a greenhouse glass room. Pay attention to keeping the pot soil moist every day, and investigate according to the incidence of the blank control in about 7 days.

[0082] investigation method:

[0083] Level 0: no disease;

[0084] G...

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PUM

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Abstract

The invention discloses a pyrimidine bactericide and a composition with ZJ10520 and the pyrimidine bactericide. The pyrimidine bactericide and the composition have the advantages that bactericidal effects of the composition are obviously improved as compared with single dosage; the good bactericidal effects can be realized under treatment and protection actions, and the pyrimidine bactericide andthe composition are low in medication cost; the resistance can be relieved, and the service life of the pyrimidine bactericide can be prolonged.

Description

technical field [0001] The invention belongs to the field of pesticides and relates to a bactericidal composition for preventing and treating agricultural diseases. Background technique [0002] In the process of agricultural production, fungal diseases are the main factors affecting yield and quality. In order to improve the yield and quality of crops, it is necessary to use pesticides to prevent and control diseases, and fungicides are one of them. Commonly used fungicides can be divided into amides, dihydroxyimides, methoxyacrylates, triazoles, imidazoles, oxazoles, thiazoles, morpholines, pyrroles, and pyridines according to their chemical structure. Classes, pyrimidines, quinolines, carbamates, organophosphorus, antibiotics, etc. Among them, pyrimidine fungicides are used in large quantities, mainly including pyramethanil, cyprodinil, pyrimethanil, fluoximil, azoxystrobin and pyrimidol. [0003] Ametoctradin is a mitochondrial respiration inhibitor, which has a contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/56A01N43/54A01N43/90A01N47/24A01P3/00
Inventor 胡伟群钟良坤张蕊蕊许天明朱卫刚黄红英魏优昌孔小林
Owner ZHEJIANG RES INST OF CHEM IND CO LTD
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