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Preparation for inducing fruit resistance to control disease and corresponding induction method

A fruit and disease technology, applied in the field of biological preservation, can solve problems such as human health and environmental safety hazards, toxic and side effects of chemical fungicides, drug resistance of pathogenic microorganisms, etc., to achieve post-harvest disease reduction, low cost, good social benefits and The effect of eco-efficiency

Inactive Publication Date: 2016-07-27
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, chemical fungicides have certain toxic and side effects, and the problem of their residues is becoming more and more serious, which is likely to cause serious harm to human health and environmental safety; at the same time, it will lead to the emergence of drug resistance of pathogenic microorganisms, thereby affecting the effect of disease control

Method used

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  • Preparation for inducing fruit resistance to control disease and corresponding induction method
  • Preparation for inducing fruit resistance to control disease and corresponding induction method
  • Preparation for inducing fruit resistance to control disease and corresponding induction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Experiment 1 Effects of Different Induction Concentrations of β-Glucan on the Resistance of Pear Fruit to Penicillium

[0026] 1. Experimental materials:

[0027] The fruit is pear, and the variety is crystal pear.

[0028] Pathogen: Penicillium expansum, activated for 7 days at 25°C for later use.

[0029] 2. Processing:

[0030] (1) Fruit pretreatment: choose the fruit with neat appearance, no damage by diseases and insect pests, and no mechanical damage, wash with tap water earlier, then immerse in 0.1% (mass %) sodium hypochlorite solution for disinfection for 2 minutes, take it out, rinse with tap water again, Wash away the residual sodium hypochlorite and dry it for later use.

[0031] (2) Form 6 wounds of uniform size (5mm) and as far as possible the same depth (2mm) on the surface of each fruit with a sterilized puncher. Add equal amounts (50 μL) of β-glucan solutions (aqueous solution) with mass concentrations of 0.01%, 0.1%, 0.2%, 0.5%, and 1% respectively...

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Abstract

The invention discloses a preparation for inducing fruit resistance and controlling diseases: it is a β-glucan solution with a mass concentration of 0.01-1%. The invention also discloses a method of using the above-mentioned preparation to induce fruit resistance to control diseases: soak the fruit in a β-glucan solution with a mass concentration of 0.01-1%; Under the condition of 90%, the induction treatment was 24 hours. The invention is a fresh-keeping technology for suppressing post-harvest fruit diseases by using chemical elicitors without using chemical fungicides.

Description

technical field [0001] The invention relates to the technical field of fruit postharvest disease prevention and control, in particular to a biological preservation technology for inducing fruit resistance by β-glucan. Background technique [0002] The loss of fruit due to rot after harvest is very huge. According to data, more than 80 million tons of fruits and vegetables rot every year in my country, with a loss rate of up to 30%, resulting in economic losses of 100 billion yuan. Infection of pathogenic fungi is the main cause of postharvest rot in pear fruits, such as penicillium expansum infection caused by penicillium expansum, which not only leads to serious losses in the number of fruits, but also the patulin secreted by P.expansum can cause severe food damage. safe question. [0003] At present, chemical fungicides are still the main measures to control postharvest diseases of fruits. Chinese invention patent (application number 200910028802.2, "citrus fresh-keeping...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/154
Inventor 余挺傅达曾丽珍余辰
Owner ZHEJIANG UNIV