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Azoxystrobin-prochloraz complex bactericide and application thereof

A technology of azoxystrobin and prochloraz, which is applied in the field of azoxystrobin and prochloraz compound fungicides, can solve the problems of decreased control effect, inconvenience of applicators, influence on rice quality, etc. Conducive to comprehensive prevention and control and the effect of reducing the frequency of drug use

Inactive Publication Date: 2011-01-19
龚亚慧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Practice has proved that there are still many defects in the above-mentioned medicaments: or due to continuous use, the control effect decreases; or there is a heavy smell, which has a strong stimulating effect on human skin, causing great inconvenience to the sprayers and affecting the quality of rice. influences

Method used

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  • Azoxystrobin-prochloraz complex bactericide and application thereof
  • Azoxystrobin-prochloraz complex bactericide and application thereof
  • Azoxystrobin-prochloraz complex bactericide and application thereof

Examples

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Effect test

Embodiment 1

[0025] The embodiment of the compound fungicide of azoxystrobin and prochloraz of the present invention and its indoor activity measurement on rice blast fungus are as follows: the original drug of azoxystrobin is dissolved with methanol and the original drug of prochloraz with acetone respectively into 1000 μg / ml mother liquor , and add 5% (mass percentage) Tween-80 (for emulsifier and spreading agent). At the same time, samples of different ratios of azoxystrobin and prochloraz were prepared with azoxystrobin and prochloraz mother liquor, and the mass percentages of azoxystrobin: prochloraz in the samples were 30:1, 20:1, 10:1, 1, respectively. :1, 1:10, 1:20, 1:30. Use the drug-containing medium method to prepare azoxystrobin, prochloraz, and samples of various proportions into a dilution solution of a certain mass concentration, take 1ml of each solution into a 9cm-diameter petri dish, then add 9ml of YPSA medium, and mix well Afterwards, it is prepared into drug-containi...

Embodiment 2

[0030] The embodiment of the compound bactericide of azoxystrobin and prochloraz of the present invention and its indoor activity measurement on rice smut are as follows: the original drug of azoxystrobin is dissolved with methanol and the original drug of prochloraz with acetone respectively into 1000 μg / ml mother liquor , and add 5% Tween-80 (for emulsifier and spreading agent). At the same time, samples of different ratios of azoxystrobin and prochloraz were prepared with azoxystrobin and prochloraz mother liquor, and the mass percentages of azoxystrobin: prochloraz in the samples were 30:1, 20:1, 10:1, 1, respectively. : 1, 1: 10, 1: 20, 1: 30, azoxystrobin, prochloraz and samples of various proportions were prepared into dilutions with a certain mass concentration by using the drug-containing medium method, and each took 1ml of the drug solution to a diameter of 9cm In the petri dish, add 9ml of PSA culture medium again, after mixing, prepare the drug-containing plate with ...

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Abstract

The invention relates to a bactericide and an application method thereof. The bactericide contains azoxystrobin and prochloraz as effective ingredient by mass percents of 30 to 1% and of 1 to 30% respectively, with the balance as auxiliary ingredients for pesticide preparation, and the proportion of the azoxystrobin to the prochloraz is 30:1 to 1:30. The complex bactericide according to the invention has wide antibacterial spectrum, strong systemic property, good quick effectiveness, long effective period and great environmental friendliness, and is favorable for reducing using time of pesticide and lowering environmental pollution as well as for integrated control, thus the bactericide is a perfect medicament in pollution-free control.

Description

technical field [0001] The invention relates to a fungicide and its application method, more specifically, to a compound fungicide of azoxystrobin and prochloraz and its application method. Background technique [0002] Rice blast, also known as rice fever, fire blast, and knocking head blast, is distributed in various rice regions across the country and mainly damages leaves, stems, and ears. Due to different damage periods and parts, it can be divided into seedling blast, leaf blast, joint blast, ear neck blast, and grain blast, which have a great impact on rice growth. The disease occurs in the early stage of rice seedling growth, which can cause the death of rice seedlings. Cause withered and white ears, seriously affect rice yield. The most effective control method for rice blast is medicament control. The main medicaments are tricyclazole, rice blastazim, carbendazim, thiophanate-methyl, rice blast peptide, Kewensan, isodoblast, junduqing, Kasugamycin, etc. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/54A01P3/00
Inventor 龚亚慧
Owner 龚亚慧
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