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Cultivation and application of full-female American sliced cucumber (American-female 09)

A cucumber and female type technology, which is applied in the field of cultivating all-female type cucumber new varieties, can solve the problems of single ecological type and cannot meet the needs of production and breeding, and achieve the effects of broadening ecological type, increasing yield, and increasing parental materials

Inactive Publication Date: 2012-05-23
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the all-female varieties of domestic cucumbers are mainly European greenhouse cucumbers imported from abroad, and the ecological type is relatively single, which cannot meet the needs of production and breeding.

Method used

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  • Cultivation and application of full-female American sliced cucumber (American-female 09)
  • Cultivation and application of full-female American sliced cucumber (American-female 09)

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Experimental program
Comparison scheme
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Embodiment Construction

[0031] The breeding method of the whole female American sliced ​​cucumber Meimei 09, including:

[0032] 1. The source and traits of the parents: (References for the description of the following traits: Li Xixiang, Zhu Dewei, etc. Specifications and data standards for cucumber germplasm resources description [M]. Beijing: China Agricultural Press, 2005.8-34)

[0033] 1) Whole female cucumber

[0034] The first-generation cucumber hybrid Deltastar purchased from Rijk Zwaan Company in the Netherlands has been bred through 6 generations of selfing to produce a stable female line EC1. EC1 is a European greenhouse-type cucumber. It is an all-female high-generation inbred line that is homozygous for the female gene. The growth is medium, the main vine is 2-2.5 meters long; the internode is 7-9 cm long; the average leaf area is 20×21 cm, the leaves are green, nearly triangular, the commercial melon is green, cylindrical, and the melon is 14-16 cm long , the melon is 2.5-3 cm thick, ...

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Abstract

The invention relates to the cultivation and the application of a full-female American sliced cucumber (American-female 09), belonging to the field of biotechnology breeding. A full-female European greenhouse cucumber EC1 is crossbred with a synoicous American sliced cucumber 627, and the obtained F1 is backcrossed with the 627; a full-female single plant selected from backcrossed offsprings is backcrossed with the synoicous cucumber parent 627 for 3 consecutive generations; the full-female single plants of BC3F1 are inbred, and the full-female single plants are selected from BC3F2 for continuous inbreeding; finally, a plant system of full-female plants are selected from BC3F3, and mixed pollination is carried out on the cucumbers in the plant system, so as to obtain a new product of the full-female American sliced cucumber (American-female 09) with high growth potential, excellent quality and high yield. The full-female cucumber with high seed purity and high heterosis can be obtained by crossbreeding the American-female 09 cucumber plant with the generally-cultivated cucumber plant.

Description

1. Technical field [0001] The cultivation and application of the all-female American sliced ​​cucumber Meimei 09 according to the invention belongs to the field of biotechnology breeding and is specially used for cultivating new varieties of all-female cucumbers. 2. Background technology [0002] Cucumber is one of the main vegetable crops widely cultivated in the world, and its cultivation area ranks first among the vegetables in protected areas in my country, which plays a very important role in ensuring the balanced annual supply of vegetables in my country. [0003] Cucumbers are dioecious annual plants. Flower buds occur at the seedling stage, and the sex type differentiation of flower buds is carried out. Flowers are generally unisexual, but some have complete flowers in addition to female flowers and male flowers. Its plant sex types are: pure female plant, monoecious plant, pure male plant, pure whole plant, androgynous plant, and monoecious plant. Among them, pur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
Inventor 陈劲枫娄群峰钱春桃张淑霞
Owner NANJING AGRICULTURAL UNIVERSITY
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