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Black spot controlling method in storage period of sweet potatoes in north

A technology of black spot and storage period, which is applied in the field of agricultural product storage, can solve the problems of easy cold damage, disease, restriction of sweet potato industry development, high water content of sweet potato, etc., achieves control of sweet potato black spot, low cost, and good storage effect Effect

Pending Publication Date: 2018-08-31
XUCHANG UNIV
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AI Technical Summary

Problems solved by technology

[0002] Sweet potato is one of the main food crops in my country, and its annual output ranks first in the world. However, due to the high water content and thin skin of sweet potato, it is very prone to cold damage and disease during storage. The annual loss of sweet potato due to disease and rot during storage reaches tens of millions of tons , seriously restricting the development of the sweet potato industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] Example 1 Northern sweet potato storage period spot disease control effect verification, its characteristics mainly include the following steps:

[0016] 1. For the selection of potato cellars, the terrain should be high, ventilated and sunny, and the terrain is hard;

[0017] 2. Disinfect the potato cellar, fumigate it with sulfur, 18 grams per square meter, open the cellar mouth for ventilation after three days of sealing, then paint the inner wall and bottom of the cellar with 1:30 lime water, and seal it for later use;

[0018] 3. For the treatment of sweet potato pieces, harvest on a sunny day before frost, select sweet potato pieces without damage and no pests and diseases, and then spray 50% carbendazim wettability;

[0019] Powder 600 times liquid, after drying, spray a sodium silicate solution with a mass fraction of 0.5%;

[0020] 4. Enter the cellar, lay 5cm of straw on the bottom of the potato, put in the potato pieces, then lay 5cm of straw, and then put i...

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Abstract

The invention discloses a black spot controlling method in the storage period of sweet potatoes in the north and belongs to the technical field of storage of agricultural products. The method mainly comprises the following steps: a method for selecting a sweet potato cellar; a technique for disinfecting the sweet potato cellar; a treatment technique of sweet potato blocks; a cellar filling technique; and a management method of the sweet potato cellar. The method used for storing sweet potatoes has convenient operation, low cost and good storage effects, can reduce the incidence rate of black spot in the storage period of the sweet potatoes in the north to 0 and also can control other diseases, and the preservation commodity rate of the sweet potato blocks is 99% or higher.

Description

technical field [0001] The invention belongs to the technical field of agricultural product storage, and in particular relates to a method for preventing and treating black spot disease of northern sweet potatoes during storage. Background technique [0002] Sweet potato is one of the main food crops in my country, and its annual output ranks first in the world. However, due to the high water content and thin skin of sweet potato, it is very prone to cold damage and disease during storage. The annual loss of sweet potato due to disease and rot during storage reaches tens of millions of tons , severely restrict the development of sweet potato industry. [0003] Sweet potato black spot disease, also known as black scar disease, is an important disease in the production of sweet potatoes in northern my country. Black spot disease can occur during the entire storage period of sweet potatoes. Toxic substances such as spotlight and sweet potato spotlight diketone often cause rotten...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/157
CPCA23B7/154A23B7/157
Inventor 朱明涛余俊乔荣更
Owner XUCHANG UNIV
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