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Selective breeding method of good quality seed of polygonum multiflorum

An improved breed selection and breeding method and an improved breed selection technique are applied to the field of selection and breeding of Polygonum multiflorum, which can solve the problems of complex parameter setting and difficult operation, and achieve the effects of high screening efficiency, strong operability and simple method.

Inactive Publication Date: 2013-08-28
CHONGQING ACAD OF CHINESE MATERIA MEDICA
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AI Technical Summary

Problems solved by technology

However, the above-mentioned indicators for the breeding of fine varieties have problems such as complicated parameter setting and difficult operation in production.

Method used

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  • Selective breeding method of good quality seed of polygonum multiflorum
  • Selective breeding method of good quality seed of polygonum multiflorum
  • Selective breeding method of good quality seed of polygonum multiflorum

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Embodiment Construction

[0016] The area selected for the effect verification of the method of the present invention is Shizhu County, Chongqing City, which is located at the junction of Chongqing, Hubei, and Hunan, and has the characteristics of both middle-altitude and high-altitude groups in the genetic distance of wild Polygonum multiflorum planting resources, and the The region has a huge planting scale of Polygonum multiflorum, and it is one of the main producing areas of Polygonum multiflorum. The specific method verification research content is as follows:

[0017] (1) Mixed selection of excellent individual plants

[0018] In November 2003, field selection was carried out on the wild Polygonum multiflorum resources in Shizhu. In the field of wild cultivation groups, the natural differentiation individuals and small groups were selected for the characteristics of strong growth in the aboveground part, strong root tubers in the underground part, no cracks, and no disease. Excellent single plan...

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Abstract

The invention provides a selective breeding method of good quality seeds of polygonum multiflorum. The selective breeding method comprises the following steps of: screening variety variation according to shapes, colors and luster of leaves on the aspect of selecting the high-quality seeds; and investigating individual differences of single plants from three factors including the shape and the weight of a tuber and the content of a main active component of the tuber. According to the selective breeding method disclosed by the invention, the screening efficiency of the good quality seeds is higher than that in the conventional single-factor screening investigation so as to be good for ensuring a stable inheritable character strain; the good quality seeds obtained by using the selective breeding method of the improved variety are increased by about 200% when being compared with cultivated wild breeder seeds; and the selective breeding method of the good quality seeds, disclosed by the invention, is strong in operability and simple, and is suitable for large-scale implementation.

Description

technical field [0001] The invention relates to a method for planting Chinese medicinal materials, and more specifically relates to a method for selecting and breeding improved varieties of Polygonum multiflorum. technical background [0002] Polygonum muhiflorum Thunb. is a perennial twisting herb of Polygonaceae. Its tuber root is a precious bulk Chinese medicinal material in my country. Polygonum multiflorum has the functions of liver and kidney, nourishing essence and blood, black beard and hair, and strengthening bones and muscles. It is a commonly used traditional Chinese medicine for nourishing liver and kidney. Can be used for rheumatic arthralgia and sore rash itching. In recent years, studies have found that Polygonum multiflorum has many unique features in anti-aging, enhancing the body's immunity, antibacterial, blood circulation and improving cardiovascular function, which has attracted widespread attention. Shouwu vine, also known as Yejiao vine, can be used as...

Claims

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Application Information

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IPC IPC(8): A01H1/04
Inventor 李隆云王钰瞿显友谭均潘媛
Owner CHONGQING ACAD OF CHINESE MATERIA MEDICA
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