Convergent cross breeding method for multi-resistance high-quality orange heart baby cabbage for spring and autumn

A hybrid breeding and baby cabbage technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., can solve the problems of low vegetable cleaning rate, reduced field biological efficiency, unsolved anti-viral disease, etc., and achieve the effect of not easy to change color.

Inactive Publication Date: 2010-12-08
山东春秋大白菜育种研究中心
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AI Technical Summary

Problems solved by technology

There are many varieties of baby cabbage bred in Japan and South Korea, but the growth period is too long, and the individual plant is too large. It can only be reduced by increasing the planting density, resulting in too much waste of outer leaves, l

Method used

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  • Convergent cross breeding method for multi-resistance high-quality orange heart baby cabbage for spring and autumn
  • Convergent cross breeding method for multi-resistance high-quality orange heart baby cabbage for spring and autumn
  • Convergent cross breeding method for multi-resistance high-quality orange heart baby cabbage for spring and autumn

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Experimental program
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Effect test

specific Embodiment 1

[0025] Such as figure 1 A kind of multi-resistance high-quality spring-autumn double-purpose method for polymerization crossbreeding of Chinese baby cabbage with orange red heart shown, it comprises the steps:

[0026] (1) After crossing TuMV anti-source BP007 with TuMV anti-source Shite 826, self-select for 5 consecutive generations; after artificially inoculating TuMV Lu 2 strain at the seedling stage from self-cross 1 and 2 generations, select TuMV disease grade 0 and Level 1 plants are planted in the field, and then comprehensive resistance is carried out in the field (select plants with disease levels of 0 and 1 for the three major diseases of virus disease, downy mildew, and soft rot), economic traits (selection of high vegetable cleaning rate, plant The high-stake symspore TuMV resistance source 322 with improved traits was obtained through comprehensive screening.

[0027] TuMV resistance source BP007 is a high-pile straight tube material with a growth period of 90 da...

specific Embodiment 2

[0049] Such as figure 2 A kind of multi-resistance high-quality spring-autumn double-purpose method for polymerization crossbreeding of Chinese baby cabbage with orange red heart shown, it comprises the steps:

[0050] (1) After crossing TuMV resistant source BP007 with TuMV resistant source Shite 826, the anti-TuMV screening was carried out after 3 generations of self-crossing, and the lines with high vegetable cleaning rate, compact plant type and thin side were screened to obtain high-stakes with improved traits Cymbaloid Antigen 322;

[0051] (2) After crossing the high-stake symspore anti-yuan 322 with Juhongxin Yaoshanchun, after 5 generations of self-crossing, the anti-TuMV screening was carried out, and the cisplanaria 02-693 was obtained;

[0052] (3) The cisternum tangerine heart material 02-693 was crossed with Ych-H-1-357 and screened for resistance to TuMV through 4 generations of selfing, and the lines with strong bolting resistance and early maturation were sc...

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Abstract

The invention discloses a convergent cross breeding method for multi-resistance high-quality orange heart baby cabbage for spring and autumn. In order to solve problems, the method comprises the following steps of: selectively breeding a high-stalk encircling resistance source 322; selectively breeding an encircling orange heart material 02-693; selectively breeding a premature orange heart self-bred line 08P238; hybridizing a TuMV resistance source B75 and Fushan wrapped cabbage head, and then performing multi-generation inbred to obtain a property modified encircling resistance source 95; selectively breeding a bolting-resistant material 538; selectively breeding an extremely early orange heart strain 304; selectively breeding an orange heart baby cabbage self-bred line X08-219; performing coordinating test on the premature orange heart self-bred line 08P238 and the orange heart baby cabbage self-bred line X08-219; transforming the premature orange heart self-bred line 08P238 into a sterile line to obtain an orange heart male sterile line 08P238A; and hybridizing the orange heart baby cabbage self-bred line X08-219 and the orange heart male sterile line 08P238A to obtain an F1 crossbreed. The orange heart baby cabbage selectively bred by the method for spring and autumn is extremely early, has high virus disease resistance and orange color, and is suitable to be cultivated in spring and autumn.

Description

technical field [0001] The invention relates to a hybrid breeding method of Chinese baby cabbage, in particular to a polymerization hybrid breeding method of multi-resistant high-quality spring and autumn dual-purpose orange red baby cabbage. Background technique [0002] At present, domestic Chinese cabbage breeding basically adopts the method of utilizing heterosis; since the 1980s, domestic breeding units have successively bred a large number of first-generation autumn Chinese cabbage hybrids, and realized early, middle and late maturing hybrids, storage resistance, high quality, Each has its own characteristics, such as strong disease resistance, but there are few varieties that combine these advantages. Improving the quality of Chinese cabbage, enriching the varieties of Chinese cabbage and meeting the needs of all aspects has become a new goal of breeding. Generally speaking, Chinese cabbage can be divided into spring cabbage, summer cabbage, early autumn cabbage (sel...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 苏学军徐茂俊王存娥赵传双王磊
Owner 山东春秋大白菜育种研究中心
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