Cultivation and application of huabei all-female No.2 variety of all-female huabei type cucumber

Abstract

The invention relates to cultivation and application of huabei all-female No. 2 variety of an all-female huabei type cucumber, which belong to the field of biotechnology breeding. The cultivation comprises the steps of: crossing all-female European greenhouse type cucumber EC1 with hermaphrodite huabei type cucumber P02, backcrossing the obtained F1 with the PO2, selecting all-female single plants from the backcross generation and performing continuous backcross with the hermaphrodite huabei type cucumber P02 to generate four generations; selecting the all-female single plants from BC4F1 to perform selfing; selecting the all-female single plants from BC4F2 to perform continuous selfing; and finally, selecting the all-female plants from BC4F3 and allowing the cucumbers of the plants to perform mixed pollination to obtain a new all-female huabei type cucumber variety, namely huabei all-female No.2 variety which grows quickly and has excellent quality and high yield. An all-female cucumber variety with high seed purity and relatively strong hybrid vigor can be obtained by crossing the cucumbers of the huabei all-female No.2 variety and the commonly cultivated cucumbers.

Description

1. Technical field [0001] The cultivation and application of the all-female Huabei type cucumber No. Huabei Quane No. 2 of the invention 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 ...

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.

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