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Breeding method of glossy cucumber female line

A female line, oily technology, applied in the field of breeding, can solve problems such as difficulty in saving seeds and narrow genetic basis, and achieve the effect of improving the efficiency of seed selection and solving the contradiction between aggregated seed selection and seed retention.

Active Publication Date: 2016-11-23
VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the current problem of difficulty in saving seeds after aggregation of oily traits and female traits and the narrow genetic basis caused by early self-crossing, the present invention provides a breeding method for female lines of oily cucumbers

Method used

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  • Breeding method of glossy cucumber female line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] Example: Breeding of a new oily female germplasm YLC2010

[0029] MC2065 is a North China female line bred by the Vegetable and Flower Research Institute of Shandong Academy of Agricultural Sciences. This line is strong in growth, all female, strong in cold and high temperature resistance, strong in parthenocarpy, excellent in combining ability and high in yield potential. The disadvantage is that the gloss of the fruit is poor. Jinyou 358 (a variety sold in the market) is characterized by its glossy skin, but its disadvantages are monoecious plants and poor yield potential. Using the present invention, the above two materials are crossed → backcrossed → selfed to successfully create a new germplasm YLC2010 with bright skin color, all females and high yield potential. Schematic such as figure 1 shown.

[0030] The specific method is as follows:

[0031] 1. Generation 1: the cucumber hybrid Jinyou 358 (monoecious plant) with excellent comprehensive properties was se...

Embodiment 2

[0045] On this basis, adopt other oily type cucumber varieties, such as Jindong 658, etc. as the male parent, and the North China type female line MC2065 bred by the Vegetable and Flower Research Institute of Shandong Academy of Agricultural Sciences as the female parent, using the same method as in Example 1. The method is used for breeding, and the varieties obtained through selection also have the characteristics of high yield and glossy melon peel.

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Abstract

The invention discloses a breeding method of a glossy cucumber female line. The method comprises the following steps: hybridizing the glossy cucumber germ plasm with female-line cucumber germ plasm to obtain a generation 1; performing backcrossing by taking the glossy cucumber germ plasm as a recurrent parent to obtain backcrossed 1st-generation seeds, namely a generation 2; in a generation 3, selecting male inducing sister cross in a nursery separation way for polymerization of glossy character and female character, and selecting and remaining seeds; and after that, performing male inducing selfing, purifying the glossy female line in an obvious nursery and a seed selection nursery, and performing selfing of 2-3 generations to obtain the glossy cucumber female line. According to the invention, in the generation 3, through the male inducing sister cross in a nursery separation way, the contradiction between the seed selection and the seed remaining through the polymerization of glossy character and female character is effectively solved; and moreover, the early generation effectively maintains more excellent genes to facilitate later selection of a selfing system with good comprehensive characters.

Description

technical field [0001] The invention relates to the technical field of breeding methods, in particular to a breeding method for oily cucumber female lines. Background technique [0002] Cucumber is one of the important vegetable crops in China, and its output and output value are in the forefront of vegetable crops. At present, cucumbers have been cultivated all year round, which plays an important role in the balanced supply of vegetables. High quality and high yield of cucumber is an important goal of breeding. The appearance quality traits of cucumber, such as the glossiness of the skin color, are important traits that determine the marketability of cucumbers, and the female traits are important constituent traits that affect the high-yield potential of cucumbers. Traditional cucumber varieties are affected by genetics and the environment. The surface of the fruit is covered with wax powder, which is dull and dull, which affects its sales. In recent years, the use of w...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 曹齐卫李利斌王永强杨桂兰陈伟孙小镭张志强
Owner VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI