Compound chemical fungicides for controlling postharvest diseases of fruits

A postharvest disease and fungicide technology, applied in the fields of application, food science, and fruit and vegetable preservation, can solve the problems of reduced efficacy of fungicides, high cost, and drug resistance of pathogenic microorganisms, and achieve postharvest disease control, easy operation, and low cost effect

Inactive Publication Date: 2014-10-29
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the traditional long-term widespread use of a fungicide will cause serious problems of pathogenic microorganism resistance, it will not only lead to a decrease in the efficacy of the fungicide, but also increase the need to increase the use of fungicides and the need to develop new fungicides
However, the cost of developing a new type of fungicide is very high, and it needs about 184-200 million US dollars in development funds in Europe and the United States

Method used

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  • Compound chemical fungicides for controlling postharvest diseases of fruits
  • Compound chemical fungicides for controlling postharvest diseases of fruits
  • Compound chemical fungicides for controlling postharvest diseases of fruits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Experiment 1 Effect of low-dose fungicide combination (compound chemical fungicide) on the control of blue mold in pear fruit

[0021] 1. Experimental materials:

[0022] The fruit is pear, and the variety is crystal pear. Pathogens: Penicillium expanses.

[0023] The fungicides used were:

[0024] Prochloraz, a prochloraz fungicide, is in the form of a suspension, purchased from Maxim Chemical Company of Israel, and the recommended concentration for normal use is 250-500 mg / kg.

[0025] Bacoud, biguanide trioctylbenzene sulfonate (Iminoctadine tris) fungicide, the dosage form is 40% wettable powder, purchased from Dainippon Ink Chemical Industry Co., Ltd., the recommended concentration for normal use is 200-400mg / kg.

[0026] Scale, Pyrimethanil fungicide, the dosage form is suspension concentrate, purchased from Bayer Crop Science Company, the recommended concentration for normal use is 1000-1500 times liquid.

[0027] Shilashi, Fludioxonil fungicide, the dosage f...

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Abstract

The invention discloses a compound chemical bactericide for control of postharvest diseases of fruits. Active ingredients in one litre of the compound chemical bactericide comprise the following components: 1-10mg of prochloraz; 1-10mg of iminoctadine tris; 1-10mg of pyrimethanil; and 1-10mg of fludioxonil. The compound chemical bactericide can effectively control the postharvest diseases of the fruits (especially oranges), and has important application and popularization value, on the premise of great reduction in the use amount of the chemical bactericide.

Description

technical field [0001] The invention relates to the technical field of fruit postharvest disease prevention and control, in particular to a compound chemical fungicide for controlling fruit postharvest disease. Background technique [0002] Postharvest diseases of citrus fruits caused by various pathogenic fungi account for about 50% of the total loss of citrus fruits. At present, the main measures to control postharvest diseases of citrus at home and abroad still rely on chemical fungicides. Chemical fungicides have the advantages of clear mechanism of action, high potency and stable effect, and can control pathogenic bacteria latently infected before harvest, so until now they are still one of the main methods for controlling postharvest diseases. Chinese invention patent (application number 200910028802.2, a citrus fresh-keeping agent) provides a variety of chemical fungicides that can control citrus diseases, including thiophanate-methyl and carbendazim. Chinese invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/154
Inventor 余挺张杨扬郑晓冬方维文卢黄娉余辰路来风曾丽珍
Owner ZHEJIANG UNIV
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