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Ornamental rape variety cultivation method suitable for miniature bonsai

A cultivation method and technology of rapeseed, applied in botany equipment and methods, applications, flower cultivation, etc., can solve the problems of large biomass, lack of potential to form miniature bonsai, and inability to place miniature bonsai, so as to achieve the effect of reducing biomass

Active Publication Date: 2022-08-02
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Since miniature bonsai can use plants as the basic material, can rape, as an ornamental plant, also be a miniature bonsai? Although ornamental rape is currently developing in full swing, it still stays in the field. What are the difficulties in planting flower bonsai in field rape? At present, field rapeseed cannot become a miniature bonsai. The main reasons are: (1) field rapeseed is tall, generally above 1.7 meters, and miniature bonsai cannot be placed at all; It grows upright naturally; (3) field rape does not have the aesthetic feeling of miniature bonsai
In short, the biological characteristics of field rape varieties do not have the potential to form miniature bonsai

Method used

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  • Ornamental rape variety cultivation method suitable for miniature bonsai
  • Ornamental rape variety cultivation method suitable for miniature bonsai
  • Ornamental rape variety cultivation method suitable for miniature bonsai

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Embodiment 1

[0078] Embodiment 1 The search and determination of the characters required for the cultivation of miniature bonsai rapeseed varieties

[0079]Miniature bonsai rape, it is conceivable that the plants of rape must be very short. From the perspective of traditional breeding techniques and the research status of rapeseed germplasm resources, the dwarf resources of rapeseed are relatively abundant. Through the Pubmed entry on the NCBI website (https: / / www.ncbi.nlm.nih.gov / ), 67 literature discovery results were obtained by searching with the keywords "Brassica napus" + "dwarf". After downloading the literature, read each One literature, looking for literature resources of rape dwarf mutants about 20cm, found only three, namely Cheng et al. BMC Plant Biology 2019: 500; Zhao et al. Theoretical and Applied Genetics (2019, 132: 1435- 1449); Zheng et al. Plant Cell Reports (2019, 38: 883-897). Further through the research results, it was found that the research materials and trait co...

Embodiment 2

[0080] The breeding process of embodiment 2 miniature bonsai (ultra dwarf pole) rape variety

[0081] In the flowering period of 2018, the conventional rapeseed varieties Zhongshuang No. 11 (Guoshenyou 2008030) and Ningyou No. 22 (Su Shenyou 201403) were used as the female parent, respectively, and the ultra-dwarf rapeseed resource Aiyuan No. 1 (Pu Huiming et al., Crop Variety Resources, 1995, (1): 23-24) crossed to obtain two F1 seeds (referred to as ultradwarf F1). In June 2018, the ultra-dwarf pole F1, Aiyuan No. 1, etc. were planted in the indoor plus generation planting mode. Indoor plus generation planting mode, specifically: seeds are vernalized immediately after germination in a petri dish (30 days at 4°C), and then planted in a nutrient pot with a side length of 10 cm (one seedling per pot) to grow to three leaves , and then take out the whole soil of the seedling belt from the nutrition pot, transplant it into a large round pot with a diameter of 30 cm, and continue...

Embodiment 3

[0082] The breeding process of embodiment 3 colored bonsai rape variety

[0083] While cultivating common-color miniature bonsai rape, we introduced the rapeseed purple flower germplasm resource (Chuancai No. 5), and we also took out our own white flower resource J328 and golden flower resource 97088 (Zhang Jiefu, etc.) from the seed bank. , Chinese Journal of Oil Crops, 2000, 22(3): 1-4). In March 2018, Aiyuan No. 1 was used as the female parent, and Chuancai No. 5, J328 and 97088 were used as male parents, respectively, and three F1s were obtained by crossing. Planting in the plus generation planting pattern. The single plant with shrunken leaves was selected at the three-leaf stage. At the early flowering stage, the F1 single plant was used as the female parent, and it was backcrossed with the three colored flower parents, and the BC1 seeds were harvested at the mature stage. In October 2018, the BC1 generation was planted according to the field planting model. During th...

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Abstract

The invention discloses an ornamental rape variety cultivation method suitable for miniature bonsai, which comprises the following steps: hybridizing an ultra-short-stem rape resource with other rape varieties to obtain offspring with ultra-short-stem character, and continuously introducing pollen-free character, compact plant type character, colored flower character and the like through a hybridization breeding technology to obtain the ornamental rape variety. And cultivating to obtain a miniature bonsai rape variety with single or multiple character aggregation. According to the cultivation method, the rape variety with the plant height of 15-20 cm and capable of being planted in the miniature bonsai container can be obtained, meanwhile, color diversification can be achieved, the ornamental content is enriched, various plant postures are achieved, and the ornamental effect is improved; moreover, no powdering of the flowers can be realized, pollen allergy is completely eradicated, and the method is oriented to all people.

Description

technical field [0001] The invention belongs to the technical field of crop variety selection and breeding, relates to the cross field of utilization of miniature bonsai and ornamental rape, and in particular relates to a cultivation method for ornamental rape varieties suitable for miniature bonsai. Background technique [0002] Rapeseed (Brassica napus L.) is one of the most important oil crops in the world and also in my country. The annual planting area of ​​rapeseed in my country is about 100 million mu and the output is about 14 million tons, both of which account for a quarter of the world's total area and output. Rapeseed oil accounts for more than 50% of my country's domestic vegetable oil, and it is an important part of the supply security of my country's bulk agricultural products, and its importance is self-evident. Not only that, under the background of the rapid development of leisure agriculture in my country, with the in-depth implementation of the rapeseed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01G22/60
CPCA01H1/021A01G22/60Y02P60/87
Inventor 龙卫华浦惠明高建芹咸志慧胡茂龙
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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