Method for breeding lotus root varieties

A variety of lotus root technology, applied in the field of breeding high-quality and high-yield lotus root varieties, to achieve the effects of mature breeding methods, simple experimental process, and convenient operation

Inactive Publication Date: 2005-05-25
WUHAN UNIV
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Problems solved by technology

[0004] As far as lotus root breeding methods are concerned, what are currently used are mainly the system selection method or the line selection method (such as the Wuhan Institute of Vegetables) or the direct system selection method (such as the Chinese Academy of Sciences Wuhan Plant Research Institute), and the breeding method of using wild lotus root resources to cross with domestic lotus root for multiple rounds, asexual stability and continuous selection has not been reported so far.

Method used

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Embodiment Construction

[0013] Collect wild lotus root resources from Honghu Lake and Qianjiang Houhu Lake (Huiwan Lake), and optimize the parental strains through comparative experiments. It is required that the stamens are well developed, the pollen is fertile, and the main quality indicators are better than those of local home lotus varieties (such as Banbianfeng, Zhujie Lotus root, Wuzhi No. 2, Elian No. 1, Elian No. 2, Elian No. 3, Elian No. 4) are about 10% higher; by artificially detasseling wild lotus root or collecting its pollen respectively (and continuously) with The family lotus varieties Banbianfeng, Zhujieou, and Wuzhi No. 2 were crossed and combined to obtain "Wild Lotus / Banbianfeng / / Zhujieou / / / Wuzhi No. 2", which is abbreviated as "F1 / / / Jiaou", Retain about 3000 lotus pods; plant about 3000 lotus pods in containers of the same size to obtain 3000 groups of lotus root plants; based on this, after multiple rounds of selection (A3000→B300→C30→D10→P1~P5), 5 excellent lines (P1-P5) were o...

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Abstract

The invention discloses a method for breeding lotus root varieties. The steps are as follows: firstly, resources are collected to obtain parental strains; secondly, continuous hybridization; thirdly, continuous selection, selecting and retaining strains; fourthly, expanding and propagating fine strains for large Regional test. The invention has the advantages of simple experimental process, convenient operation, stability and reliability, high output and low cost of obtained excellent strains, and improves the production level of lotus root.

Description

technical field [0001] The invention relates to the breeding of lotus root varieties, and more specifically relates to a method for breeding high-quality and high-yield lotus root varieties by utilizing wild root resources. Background technique [0002] Lotus root is an important aquatic economic plant in my country with a long history of cultivation. Carbonized lotus seeds were unearthed at the Yangshao Cultural Site in Henan more than 5,000 years ago. According to archaeological excavations, lotus root was eaten as a vegetable in the Western Han Dynasty more than 2,000 years ago in my country. With people's understanding and domestication of lotus root, it has gradually become a favorite vegetable - lotus root (underground swollen stem), but due to long-term planting, the quality of lotus root is degrading day by day, and the yield is also getting lower and lower. [0003] In the 1960s, domestic researchers began to investigate and collect lotus root resources. A total of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
Inventor 桑子芳周明全胡中立廖冬青何建君洪贤清
Owner WUHAN UNIV
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