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Breeding method of heat-resistant red-skin radish

A radish and red-skin technology, applied in botany equipment and methods, plant genetic improvement, application, etc., can solve the problems of lack of heat-resistant varieties, few radish varieties, and low yield of varieties, so as to achieve uniform performance in the field and disease resistance Strong, high and stable yield effect

Inactive Publication Date: 2014-12-03
JIANGSU COASTAL AREA AGRI SCI RES INST +1
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AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a heat-resistant red-skinned white-fleshed cylindrical radish breeding method in view of the lack of heat-resistant varieties in radish production and breeding in the prior art, few radish varieties suitable for planting in summer, and low yield of planted varieties.

Method used

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Examples

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Embodiment 1

[0017] A method for breeding heat-resistant red radish, comprising the following steps:

[0018] (1) The red-skinned radish male sterile line (named Yan R06A) was used as the female parent, and the red-skinned radish red-covered inbred line (named R06) was used as the male parent to prepare a red-skinned, white-fleshed long cylindrical resistant strain. The first-generation hybrid of hot radish (passed the variety identification of Jiangsu Province and named: Fuhong No. 1).

[0019] (2) Using the sterile plants of the Wuhan Zuixiantao radish variety, a pair of single plants was used for test crossing, and the male parent plants were selfed at the same time, and then the sterile lines and maintainer lines were bred by continuous backcrossing and selfing selection. In 2008, the male sterile line R06A of red-skinned and white-fleshed radish with stable sterility and good economic traits and its corresponding maintainer line R06B were bred. "R06A" has a sterile plant rate and ste...

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Abstract

The invention discloses a breeding method of a heat-resistant red-skin radish and belongs to the technical field of breeding of brassicaceous vegetables. The breeding method is technologically characterized in that the first generation of hybrid of heat-resistant red-skin white radish is obtained by using a sterile line of red-skin radish as a female parent and a red high-generation inbred line of a local variety red-skin white radish in Sichuan province as a male parent. The first generation of hybrid of heat-resistant red-skin white radish has the characteristics that the plant leaves are semi-erect and are plate leaves, blades are green, leaf stalks and middle stems are red, the leaf surface has seta, the leaves are inverted oval-shaped, the leaf margins are crenate, the leaf length is about 36cm, the fleshy root is of a long cylinder shape, the skin is smooth and red, the flesh is white, the root length of the product is 20-25cm, the transverse diameter is 5-6cm, and the single weight is about 450g. The heat-resistant red-skin radish is strong in disease resistance and heat resistance, good in commodity property, excellent in quality, not easy to be hollow, short in growth period, and suitable for outdoor cropping in various regions in summer, autumn and winter.

Description

technical field [0001] The invention belongs to the technical field of plant breeding, and in particular relates to a breeding method for heat-resistant red-skinned radish, which is specially used for breeding first-generation hybrids of red-skinned white-fleshed elongated cylindrical heat-resistant radish for commercial use. Background technique [0002] Radish (Raphanus sativus L.), also known as radish, belongs to Brassicaceae, radish, and is an annual or perennial herb. As an important worldwide vegetable originating in my country, my country has a long history of cultivation and extremely rich variety resources. [0003] Radish production takes autumn as the main production season, and there are many varieties suitable for cultivation in autumn, and the corresponding cultivation measures are relatively perfect. When cultivating radish in summer, it is easy to encounter harsh natural conditions such as continuous high temperature, frequent storms, drought, pests and dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 郭军梅燚祖艳侠吴永成郑佳秋周汝琴周春霖
Owner JIANGSU COASTAL AREA AGRI SCI RES INST
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