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Spreading oil for controlling rice blast

A technology for rice blast and film-spreading oil, applied in the directions of biocides, fungicides, biocides, etc., can solve the problems of high labor intensity, environmental residues, poor drug efficacy, etc., and achieves low labor intensity, less residue, Low resistance effects

Inactive Publication Date: 2015-08-12
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved in the present invention is to provide a method for preventing and treating rice blast for the above-mentioned problems in the prior art, such as rapid development of single agent resistance, poor drug efficacy, low efficiency of using conventional dosage forms, high labor intensity, and serious environmental residues. film spreading oil

Method used

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  • Spreading oil for controlling rice blast
  • Spreading oil for controlling rice blast
  • Spreading oil for controlling rice blast

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Example 1: 20.1% prochloraz · oryzastrobin film developing oil

[0043]

[0044] At normal temperature and pressure, put prochloraz, orysastrobin and solvent into a stirred reaction vessel, and at a stirring speed of 160-250 rpm, the solvent stirs and dissolves prochloraz and orysastrobin, Then add a surfactant, stir well for 15 to 30 minutes, and make it evenly mixed to obtain 20.1% prochloraz-oryresstrobin film-developing oil.

[0045] Following the same steps as in Example 1, the following examples can be prepared.

Embodiment 2

[0046] Example 2: 21% prochloraz · oryzastrobin film developing oil

[0047]

[0048]

Embodiment 3

[0049] Example 3: 20% prochloraz · oryzastrobin film developing oil

[0050]

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PUM

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Abstract

The invention relates to a spreading oil for controlling rice blast. The invention is characterized in that the spreading oil is composed of the following components in percentage by weight: 0.1-20% of prochloraz, 0.1-20% of orysastrobin, 1-15% of surfactant, 1-30% of water surface diffusant, 0.1-5% of stabilizer and the balance of solvent. The weight ratio of the prochloraz to the orysastrobin is (5-1):(1-5). The spreading oil prepared from the prochloraz and orysastrobin can obviously enhance the control effect and prolong the persistent effect, saves the work, labor and water, obviously lowers the pesticide cost, and greatly lowers generation speed of pathogenic bacteria resistance and drug resistance.

Description

technical field [0001] The invention relates to a film-spreading oil agent compounded with prochloraz and orysastrobin (Orysastrobin) as active ingredients, belongs to the field of pesticides, and is suitable for the control of rice blast by spraying by bottle shaking method, water surface film-spreading method and poisonous soil method . Background technique [0002] Rice blast is one of the important diseases of rice, which can cause a large reduction in yield, and in severe cases, the yield can be reduced by 40% to 50%, and even the grains cannot be harvested. Mainly damage leaves, stems and ears. [0003] Prochloraz, chemical name: N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]imidazole-1-carboxamide, its structural formula is: Prochloraz is a high-efficiency broad-spectrum fungicide of imidazoles. It acts by inhibiting the biosynthesis of sterols, has multiple functions such as prevention, protection and treatment, and has excellent control effects on various diseases...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N25/02A01P3/00A01N37/50
Inventor 范稚莲莫良玉李高南唐滢程罗栋资
Owner GUANGXI UNIV
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