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Cultivation and application of hologynic South China-type cucumber South China hologynic 09

A technology of cucumber and female type, applied in the field of biotechnology breeding, can solve the problems of single ecological type, unable to meet production and breeding, etc., and achieve the effects of widening ecological type, increasing yield and increasing parental materials

Inactive Publication Date: 2012-05-09
NANJING AGRICULTURAL UNIVERSITY
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  • Description
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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 hologynic South China-type cucumber South China hologynic 09
  • Cultivation and application of hologynic South China-type cucumber South China hologynic 09

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Embodiment Construction

[0031] The cultivation method of all-female South China type cucumber South China all-female 09 comprises:

[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...

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Abstract

The invention relates to cultivation and application of a hologynic South China-type cucumber South China hologynic 09, belonging to the biotechnological breeding field. A hologynic European greenhouse cucumber EC1 is hybridized with a monoecious South China-type cucumber Pingwang cuke, and the obtained F1 is backcrossed with the Pingwang cuke; a hologynic singleplant is chosen from the backcrossed generation to carry out continuous backcross for three generations with the monoecious cucumber parent Pingwang cuke; the hologynic singleplant of BC3F1 is selected for selfing; the hologynic singleplant is chosen in BC3F2 for continuous selfing; finally a plant series of which the BC3F3 is hologynic plant is selected, the cucumber of the plant series is pollinated in a mixed mode to obtain thehologynic South China-type cucumber South China hologynic 09 with strong growth vigour, superior quality and high yield; and the South China hologynic 09 is hybridized with the commonly cultivated cucumber to obtain the hologynic cucumber varieties with high seed purity and stronger hybrid advantages.

Description

1. Technical field [0001] The cultivation and application of the all-female South China type cucumber South China all-female 09 belongs to the field of biotechnology breeding and is specially used for cultivating new all-female type cucumber varieties. 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, pure female pl...

Claims

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Application Information

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