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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

Inactive Publication Date: 2013-09-04
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 pesticides used for powdery mildew control usually cannot achieve synergistic effects 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

[0044] Embodiment 1: Indoor toxicity determination of the bactericidal composition provided by the invention

[0045] In order to screen the compound ratio of fluflufenam and pyrifluzate, the indoor toxicity test was carried out with different ratios of fluvafen·pyrifluzol. The test adopts leaf butterfly moisturizing method for toxicity determination. Simultaneously, the toxicity of single doses of cycloflufen and pyriflufen were determined respectively.

[0046] The conidia on the powdery mildew diseased leaves were washed with sterile water, and the concentration of the conidia was prepared to be 1 × 10 6 per mL of spore suspension. The mass fraction of 18% fluvafen-pyrifluzate aqueous emulsion was prepared, wherein the mass ratios of fluflufenad-pyrifluzate were 1:5, 1:7, 1:9, 1:11, 1:12, 1:14, 1:15, dilute the prepared Cyflufenad·Pyrifensulfonate aqueous emulsion with a mass fraction of 18%, and the dilution times are 200 times, 300 times, 400 times, 500 times, 600 times...

Embodiment 2

[0060] Example 2: 20% Cyflufenamide Pyrifluzate EC

[0061] Take 2kg of fluvafen, 18kg of pyrithrimol sulfonate, 3kg of Nongru 700#, and 77kg of tributyl phosphate, mix and dissolve thoroughly to obtain the product.

Embodiment 3

[0062] Example 3: 23% Cyflufenamide Pyrifluzate EC

[0063] Take 3 kg of flufluxamid, 20 kg of pyrimethrin, 15 kg of Nongru 600#, and 62 kg of solvent oil No. 150, fully mix and dissolve, and the product is obtained.

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Abstract

The invention relates to the technical field of pesticides and in particular relates to a bactericidal composition and a preparation thereof. The bacterial composition comprises cyflufenamid and bupirimate. The invention further provides a bactericide of the bactericidal composition. According to the bacterial composition and the preparation thereof disclosed by the invention, the cyflufenamid and bupirimate are compounded to generate an obvious synergistic effect, so that the dosage of the pesticides is lowered, and therefore, the production cost is lowered and the labor power is 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 my country's wheat-producing areas, and its harm is mainly to reduce the number of grains per ear and the weight of thousand grains. In general, the output of wheat fields is reduced by 5%-10% in popular years, and it can be reduced by 30% in severe cases. Since the late 1970s, with the promotion...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01P3/00A01N37/52
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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