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Novel method and protective film agent for preventing and controlling soft rot of actinidia and preparation method for protective film agent

A technology of kiwi fruit soft rot and protective film agent, which is applied in the direction of plant protection, plant protection cover, botany equipment and methods, etc., to achieve the effects of environmental friendliness, stable film formation and low cost

Inactive Publication Date: 2016-06-15
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been reported that chitosan coating and calcium nutrition preharvest treatment applied to kiwifruit storage and preservation, but the preharvest treatment of kiwifruit with chitosan and calcium nutrition combined with antibacterial substances and film-forming agent (dextrin) has not been reported

Method used

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  • Novel method and protective film agent for preventing and controlling soft rot of actinidia and preparation method for protective film agent
  • Novel method and protective film agent for preventing and controlling soft rot of actinidia and preparation method for protective film agent
  • Novel method and protective film agent for preventing and controlling soft rot of actinidia and preparation method for protective film agent

Examples

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Effect test

experiment example 1

[0024] Measure the required distilled water in the beaker according to the mass percentage, then add the required mass percentage of dextrin to the beaker and place it on the HJ-6 multi-head magnetic heating stirrer (Jintan Shenglan Instrument Manufacturing Co., Ltd.) to heat the magnetic stirring After 10 minutes, stop heating; then add chitosan, calcium nitrate, bacteriostatic substances and sodium benzoate in order to the dextrin solution in order of mass percentage, magnetically stir for 12 hours, and then seal and store in a sterilized bottle for later use.

[0025] The formulations of each chitosan composite film are shown in Table 1.

[0026] Only the ingredients other than water are listed in Table 1. In actual application, the amount of water needs to be added to make the sum of the percentages of each component reach 100%.

[0027]

[0028] (1) Prevention and control of kiwifruit soft rot and design of protective film agent effect method for improving storage qual...

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Abstract

The invention discloses a novel method and a protective film agent for preventing and controlling soft rot of actinidia and a preparation method for the protective film agent. The chitosan composite protective film agent is adopted in the method. The protective film agent comprises the following components in percentage by mass: 2.5-7.5% of chitosan, 0.5-2.5% of calcium salt, 1.5-3.5% of a film former, 0.5-1.5% of an antibacterial substance and the balance of water. The fruit surface is sprayed with a 25-100-fold solution of the protective film agent in the field during the early stage of pathogen infection of the soft rot of the actinidia or the germination stage, young fruit stage and strong fruit terminal stage of the actinidia, so that a layer of natural barrier is formed on the fruit surface for protecting the actinidia from being infected with pathogenic microorganisms. The protective film agent for the actinidia is high in stability and can effectively improve the nutritional quality and the eating quality of the actinidia.

Description

technical field [0001] The invention relates to the field of plant protection, in particular to the technical field of prevention and control of kiwi fruit soft rot and fresh-keeping of kiwi fruit. Background technique [0002] Kiwi( Actinidia ) As one of the emerging economic forest tree species, my country's kiwifruit industry has developed rapidly since the 21st century, and its output and planting area have ranked first in the world. 'Guichang' kiwi fruit ( Actinidia deliciosa cv. Guichang) is an excellent variety of delicious kiwifruit. It was introduced in Xiuwen County, Guizhou Province in 1989, and has now developed into one of the characteristic high-quality fruits in Guizhou Province and a local pillar industry. In recent years, the postharvest rot caused by pathogenic fungi has gradually increased, such as soft rot and stalk rot, etc.; coupled with the relatively backward preservation technology of fruits and vegetables in my country, latent or late-infected pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/02A01N61/00A01N43/16A01N37/36A01N37/44A01P3/00
CPCA01G13/0237A01N37/36A01N37/44A01N43/16A01N61/00
Inventor 李明张承龙友华吴小毛
Owner GUIZHOU UNIV
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