Bactericidal composition and preparation thereof

A composition and fungicide technology, applied in the field of pesticides, can solve problems such as improper selection of components or proportions, failure to achieve synergistic effects, etc., and achieve the effects of reducing dosage, saving labor, and reducing production costs

Active Publication Date: 2014-06-11
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current formulations of pesticide compounding for the control of powdery mildew or phytophthora usually cannot achieve synergistic effect due to improper selection of components or proportions

Method used

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  • Bactericidal composition and preparation thereof
  • Bactericidal composition and preparation thereof
  • Bactericidal composition and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: Indoor toxicity determination of the bactericidal composition provided by the invention

[0042] In order to screen the compound ratio of pyramethastrobin and propoxyquinoline, the indoor toxicity test was carried out with different proportions of pyramethastrobin·propoxyquinoline. The test adopts leaf butterfly moisturizing method to measure the toxicity. Simultaneously, the toxicity of single doses of pyraclostrobin and propoxyquinoline were determined respectively.

[0043] Prepare the spore suspensions of powdery mildew and Phytophthora respectively: wash off the conidia on the leaves of powdery mildew with sterile water, and prepare the spore concentration to be 1×10 6 Individuals / mL of powdery mildew spore suspension. The conidia on the leaves of Phytophthora disease were washed with sterile water, and the concentration of spores was prepared to be 1×10 6 Phytophthora spore suspension per mL.

[0044]The mass fraction of the preparation is 18% py...

Embodiment 2

[0058] Example 2: 13% pyraclostrobin·propoxyquinoline EC

[0059] Get pyraclostrobin 3kg, propoxyquinoline 10kg, Ningru 33# 15kg, solvent oil No. 150 72kg. Fully mix and dissolve the original medicine and auxiliary agents to obtain the product.

Embodiment 3

[0060] Example 3: 36% pyraclostrobin·propoxyquinoline EC

[0061] Get pyraclostrobin 6kg, propoxyquinoline 30kg, Ningru 700#10kg, 0201B5kg, solvent oil No. 100 49kg. Fully mix and dissolve the original medicine and auxiliary agents to obtain the product.

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Abstract

The invention relates to the technical field of pesticides, and particularly relates to a bactericidal composition and a preparation thereof. The bactericidal composition comprises ametoctradin and proquinazid. The invention also provides a bactericide comprising the bactericidal composition. The ametoctradin and the proquinazid are compounded, so that an obvious synergistic effect is generated; the dosage of the pesticide is reduced. Thus, the production cost is reduced; the labor force is also saved.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition and its preparation. Background technique [0002] Powdery mildew is a common disease on crops, which can occur from seedlings to adult plants. It mainly damages leaves, and sometimes stems and petioles. At the beginning of the disease, small white spots appear on the leaves, which gradually expand, and finally can be connected into sheets, and the leaves are covered with a white powdery mold layer. In severe cases, the leaves gradually turn yellow and dry, and sometimes many black spots appear on the lesions. For example, wheat powdery mildew is common in wheat producing areas in my country, and its harm is mainly to reduce the number of grains per ear and the weight of thousand grains. Generally, the output of wheat fields is reduced by 5% to 10% in popular years, and it can be reduced by 30% in severe cases. Since the late 1970s, with the promot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01P3/00A01N43/54
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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