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Cultivation method of all-female light-skinned long-fruited cucumber

A cultivation method and light skin technology, applied in the fields of botanical equipment and methods, plant genetic improvement, application, etc., can solve the problem that there is no substantial progress and breakthrough in the breeding of female cucumber, no substantial breakthrough, and influence on cucumber cultivation. issues with applications

Active Publication Date: 2015-12-02
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is precisely because there has been no substantive progress and breakthrough in the breeding of this type of female cucumber for a long time, so that the breeding process of all-female light-skinned long-fruited cucumber hybrids is slow, which affects the cultivation and application of this type of cucumber
[0003] At present, the cucumber consumption market is showing increasingly diversified characteristics. Long-fruited smooth-skinned cucumbers often have good appearance and color, and are very popular among the people. Slow, especially the successful breeding of female lines without long-fruited light-skinned female lines. Therefore, for a long time, it has not been possible to produce excellent hybrids that combine femaleness, resistance, and yield.

Method used

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  • Cultivation method of all-female light-skinned long-fruited cucumber
  • Cultivation method of all-female light-skinned long-fruited cucumber
  • Cultivation method of all-female light-skinned long-fruited cucumber

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Effect test

Embodiment 1

[0012] Breeding process such as figure 1 ,

[0013] Parent selection process:

[0014] Female parent: XUE1 (NIRITSEEDSLTD.(ISRALE)), cited from Israel, light skin, all female, emerald green peel color, fruit length 13-14 cm, no fruit stem, 1-3 female flowers per node; leaf color yellow Green, vigorous growth, resistant to downy mildew, fusarium wilt, moderately resistant to powdery mildew.

[0015] Male parent: JY3039378, segregated from the domestic variety "Jinyou 30" (Tianjin Kerun Agricultural Science and Technology Co., Ltd.) for 5 consecutive generations, and selected long-fruited and light-skinned fruits in each offspring, until the first self-bred After 5 generations, the traits of fruit length and peel were no longer separated, and an inbred line with long fruit type and smooth skin was obtained, named JY3039378.

[0016] Screening of female-linked molecular markers: XUE1 and JY3039378 were crossed and then selfed to obtain F2, and the SSR markers closely linked to...

Embodiment 2

[0020] 1. Reproduction and preservation of the light-skinned long-fruited female line LG36

[0021] At the stage of 2-3 true leaves, use silver nitrate 250×10 -6 Spray the growth point 1-2 times, if 2 times, the interval is 4-5 days, male flowers will be produced in 8-10 nodes, and the pollen of the male flowers can be pollinated to the female flowers of the same plant to obtain self-seeds. The specific pollination method is : The male and female flowers are clamped in the afternoon of the first day of pollination, and the pollination is performed when the flowers bloom the next morning.

[0022] 2. Using the light-skinned and long-fruited female line LG36 to prepare the first generation of hybrid

[0023] The light-skinned long-fruited female line LG36 is mainly used to produce smooth-skinned or less-thorny, long-fruited cucumber hybrids. During specific production, plant according to the ratio of 3:1 (female parent: male parent), and in open field conditions, rely on insec...

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Abstract

The invention relates to a method for cultivating all-female smooth-skin long-fruit type cucumber. The method comprises the following steps: by taking short-fruit type smooth-skin female line XUE1 as a female parent, by taking an excellent smooth-skin long-fruit type selfing line JY3039378 as a male parent, hybridizing to obtain F1, carrying out selfing to obtain F2, performing single plant selfing from F2, performing assistant selection by utilizing SSR05348 marks, selecting female, long-fruit and smooth-skin type fruits as seeds until the characters of fruit length and skin are not separated from each other so as to finally obtain the long-fruit smooth-skin type selfing line LG36. The hybrid prepared by taking the LG36 as the female parent has the characteristics of high female property, strong growth, high commodity property, high disease resistance and the like and is an excellent parent for producing all-female or high-female-property hybrid varieties.

Description

technical field [0001] The invention belongs to the germplasm innovation of crops (cucumber), and is a novel cucumber female line selected and bred by hybridization, backcrossing and molecular marker-assisted selection techniques. The breeding of this female line provides necessary and superior parent materials for the breeding of new all-female, long-fruited parthenocarpic cucumber varieties in the future. Background technique [0002] In agricultural production, compared with conventional varieties, hybrids have the characteristics of stronger resistance and higher yield, so they often have higher cultivation benefits. About 85% of the varieties in cucumber production are hybrids, most of which are hybrids of ordinary female inbred lines, while female / strong female hybrids prepared with all-female lines as female parents only account for about 10%. Among the hybrids, fruit-type small cucumbers are dominant again, and there are also reports on the breeding and application ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/68A01H1/02A01H1/04
Inventor 陈学好徐强王波齐晓花许学文何敏
Owner YANGZHOU UNIV