Breeding method for colorful-leaf dwarf ornamental oilseed rape line

The technology of rapeseed and strains is applied in the breeding field of colorful leaf dwarf ornamental rapeseed strains, and can solve the problems of prolonging the flowering period of rapeseed and shortening the viewing time of rapeseed flowers.

Active Publication Date: 2020-05-15
贵州省油料研究所
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  • Abstract
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Problems solved by technology

In addition, Fu Donghui of Jiangxi Agricultural University and others invented and provided a method of prolonging the flowering period of rapeseed and a seed production method of sterile line rapeseed (Chinese patent application number: 201610250303.8), which can be used as a reserve for the sowing of ornamental rapeseed in the next download. Solve the problem of short flowering time of rapeseed

Method used

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  • Breeding method for colorful-leaf dwarf ornamental oilseed rape line
  • Breeding method for colorful-leaf dwarf ornamental oilseed rape line
  • Breeding method for colorful-leaf dwarf ornamental oilseed rape line

Examples

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Embodiment

[0022] Example: Breeding of "Colorful Short" Rapeseed No. 1

[0023] Breeding of the male parent: In 2008, common Chinese cabbage seeds were purchased from the market, broadcast live in the first ten days of October of that year, and bagged for self-crossing in the spring of the following year. Through 6 consecutive years of self-crossing, the Chinese cabbage line obtained in 2014 with basically the same traits was the male parent.

[0024] Female parent: "Zihuangye Rapeseed No. 1". Acquisition of the female parent: In early September, live broadcasting was used to plant purple-red leafy rapeseed “Purple Glycerin” (a Brassica napus strain bred by Guizhou Oil Plants Research Institute through interspecific hybridization, and its leaves are purple from the heart leaf. Red, and dominant to regular green leaves, controlled by a pair of genes, see Tongqiang, W., H. Zesu, T. Zhuping, Y. XiaoronG, D. Wendong and S. Mingbo (2007). Material breeding, heredity and utilization of purpl...

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Abstract

The invention discloses a breeding method for a colorful-leaf dwarfing ornamental oilseed rape line. A Chinese cabbage strain with consistent phenotype is used as a male parent and hybridized with purple-yellow-leaf ornamental oilseed rape used as a female parent, and Chinese cabbage is used as a recurrent parent for backcrossing, so an oilseed rape strain, namely the colorful-leaf dwarf ornamental oilseed rape strain is obtained. The leaf colors of the colorful-leaf dwarf ornamental oilseed rape strain are green, purple, red and yellow in a staggered manner. The leaves of the colorful-leaf dwarf ornamental oilseed rape strain grow like the Chinese cabbage; the colorful-leaf dwarf ornamental oilseed rape strain is short and small, has a height of 60-120 cm and has yellow petals.

Description

technical field [0001] The invention relates to a method for breeding crops, in particular to a method for breeding a colorful-leaf dwarf ornamental rape strain. Background technique [0002] Rapeseed is one of the main oil crops in the world. The types of rape currently used in production mainly include Brassica napus L., Brassica juncea L. and Brassica campestris L.. With the development of rapeseed quality breeding, especially the breeding and promotion of double-low (low erucic acid, low glucosinolate) rapeseed varieties, the acquisition of high-quality rapeseed oil and feed protein has become the most important purpose of rapeseed production, and promotes the world. The development and progress of rapeseed production. [0003] The function of rape is not limited to this. In recent years, with the vigorous development of the tourism industry, the tourism function of rape has been continuously highlighted. In the spring when everything is recovering, a field of rapesee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 张超黄泽素代文东唐容李德珍
Owner 贵州省油料研究所
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