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Bactericidal composite of myclobutanil and iprodione, preparation method and application thereof

A bactericide composition and myclobutanil technology are applied in the field of pesticide preparation, which can solve the problems of easy generation of drug resistance and narrow bactericidal spectrum, and achieve the effects of reduced production cost, wide bactericidal spectrum, and reduced dosage per mu.

Active Publication Date: 2013-05-08
JINLING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that myclobutanil and iprodione are relatively narrow in bactericidal spectrum and easy to produce drug resistance when they are used alone, and a compound myclobutanil and iprodione with wide bactericidal spectrum and synergistic effect has been designed. fungicide

Method used

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  • Bactericidal composite of myclobutanil and iprodione, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Determination of co-toxicity coefficient of myclobutanil-iprodione binary bactericidal composition of the present invention

[0027] The Phytopathology Laboratory of the Plant Protection Teaching and Research Group of the School of Horticulture, Jinling Institute of Science and Technology conducted an indoor toxicity test on the 40% myclobutanil-iprodione EC of the present invention, and the indoor toxicity test method is the growth rate method. The test data is regressed by the probability value analysis method, and the regression equation and the inhibitory medium concentration EC are obtained. 50 , and then use the toxicity index method to obtain the CTC value of the co-toxicity coefficient of the mixture. If CTC>120, it is synergistic. The test results are shown in Table 1

[0028] Table 1 Toxicity determination results of myclobutanil and iprodione to lily gray mold

[0029]

[0030] As can be seen from Table 1, myclobutanil and iprodione have obvious synergis...

Embodiment 2

[0031] Example two: 40% myclobutanil. iprodione wettable powder

[0032] Take by weighing myclobutanil 4kg (reduced pure), iprodione 36kg (reduced pure), sodium lignosulfonate 5kg, light calcium carbonate 55kg, after mixing, crush with air flow until 95% pulverized matter passes through 325 mesh sieves, i.e. Obtain 40% myclobutanil-iprodione wettable powder. The preparation has dual effects of systemic treatment and protection, and can be widely used in the prevention and control of fungal diseases on various crops. 1000-2000 times of the preparation shows high control effect on powdery mildew, gray mold and the like.

Embodiment 3

[0033] Example 3: 40% Myclobutanil-Iprodione EC

[0034] Take 5 parts of myclobutanil, 35 parts of iprodione, 60 parts of additives and solvents, and mix them evenly to form 40% myclobutanil-iprodione EC. This preparation has dual functions of systemic treatment and protection, and can be widely used in various Fungal diseases on crops.

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Abstract

The invention relates to a bactericidal composite of myclobutanil and iprodione, a preparation method and application thereof, and belongs to the technical field of pesticide preparation. In the invention, myclobutanil, iprodione, adjuvant and solvent are mixed evenly to compose a bactericide binary formulated composite. Proved by experiments, the mixed bactericide has the advantages of expanded bactericidal spectrum and enhanced efficacy, and the defects of narrow bactericidal spectrum, high cost and easily-produced drug resistance existing in the prior art are eliminated.

Description

1. Technical field [0001] The invention belongs to the technical field of pesticide preparation, and in particular relates to a fungicidal composition of myclobutanil and iprodione, a preparation method and application thereof. 2. Background technology [0002] Myclobutanil is a systemic fungicide with protective and therapeutic effects. It has the characteristics of low toxicity and high efficiency. Ear disease and anthracnose have good control effect. However, in recent years, myclobutanil has been widely used in my country, facing the problem of drug resistance of bacteria [0003] Iprodione is a broad-spectrum fungicide with high efficiency and low toxicity. Its mechanism of action is to inhibit protein kinases and control many intracellular signals, including interference with the entry of carbohydrates into fungal cells. Therefore, it can not only inhibit the germination and production of fungal spores, but also inhibit the growth of mycelia. At the same time, it has...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/38A01N43/653A01P3/00
Inventor 朱丽梅宰学明罗风霞陈浩陆慧
Owner JINLING INST OF TECH
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