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A kind of efficient propagation method of sweet potato

A sweet potato and high-efficiency technology, applied in the field of crop propagation, can solve the problems of low utilization efficiency and long time consumption, and achieve the effects of less difficult operation, less perishable, and elimination of unfavorable factors

Active Publication Date: 2020-09-29
湖南省作物研究所
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a high-efficiency propagation method of sweet potato. This propagation method is aimed at the problems of long time-consuming and low utilization efficiency in the propagation and identification procedure of sweet potato germplasm resources, and combines sweet potato hydroponic technology and explant rapid propagation. Technical design, simple and easy to implement, and can better solve the problem of rapid propagation and application of special germplasm resources

Method used

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  • A kind of efficient propagation method of sweet potato

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Embodiment Construction

[0024] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0025] see figure 1 A schematic diagram of the processing flow of a high-efficiency propagation method for sweet potatoes. In this embodiment, it includes two steps: rapid germination of sweet potato hydroponics, detection of plant diseases and insect pests, and rapid propagation of sweet potato explants and rapid propagation of virus-free. During its specific operation, Proceed as follows:

[0026] Germination of potato cubes: wash the collected potato cubes, soak them with 1 / 500 concentration of carbendazim, and dry them naturally at room temperature; finally put the potato cubes into a culture bottle, and then add an appropriate amount of pure water into the culture bottle, Ensure that 1 / 3~1 / 2 length of potato pieces are soaked in pure water; ...

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Abstract

The invention provides an efficient propagation method of sweet potatoes. The method comprises the steps that the sweet potatoes which have special germplasm resource characteristics are firstly collected as raw materials, hydroponics is conducted on the sweet potatoes until the sweet potatoes germinate and become seedlings after processing is conducted, insect pests and pest disease quarantine inspection object and virus disease inspection is conducted on the seedlings, isolation and virus-free processing are conducted according to an inspection result before explant propagation and subsequent subculture are directly conducted, and healthy sterile sweet potatoes are transplanted to a field for propagation after greenhouse hardening is conducted. By means of the method, the germplasm resource propagation and utilization of the sweet potatoes is effectively shortened, the success rate of the germplasm resource propagation is improved to ensure the safety of the germplasm resource propagation of the sweet potatoes, and the method is suitable for all of the germplasm resource propagation processes of the sweet potatoes.

Description

technical field [0001] The invention relates to the field of crop propagation, in particular to a high-efficiency propagation method of sweet potato that is beneficial to retaining excellent germplasm resources. Background technique [0002] Sweet potato is an important food crop in the world, and it is also an important raw material for bioenergy and food processing. With the development of diversified applications of sweet potato, the social demand for high-quality special-purpose sweet potato varieties is increasing year by year, which brings new requirements for sweet potato breeding and brings Here comes a new impetus for development. However, due to the high reuse rate of sweet potato germplasm resources, the genetic background of sweet potato germplasm resources is narrow, which brings great difficulties to new breakthroughs in sweet potato genetics and breeding. Therefore, the introduction, excavation and utilization of sweet potato germplasm resources are the premi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01C1/00A01C1/08
CPCA01C1/00A01C1/08A01G31/00
Inventor 张道微董芳张超凡黄艳岚张亚周虹
Owner 湖南省作物研究所
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