CN1765175A - Method for cultivating wheat new variety by distant graft and asexual hybridization - Google Patents
Method for cultivating wheat new variety by distant graft and asexual hybridization Download PDFInfo
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- CN1765175A CN1765175A CN 200410055470 CN200410055470A CN1765175A CN 1765175 A CN1765175 A CN 1765175A CN 200410055470 CN200410055470 CN 200410055470 CN 200410055470 A CN200410055470 A CN 200410055470A CN 1765175 A CN1765175 A CN 1765175A
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- sweet potato
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Abstract
The invention relates to a method for asexual distant crossing to breed a new wheat strain with the grafting of Convolvulaceae sweet potato and forage wheat. Taking the strong sweet potato sprout of hostile environment induced inversion resistant and variation breeding as stock; new growing wheat as scion; grafting the scion after root removal to the stem near the soil of the stock. Making sure that the scion survives and no self-growing root generates in the early stage of grafting. Removing the excess tillers, leaving the main tillers and breeding them for natural blooming and fruit yielding. Receiving the grafting seeds and sowing naturally, choosing plants with dominant feature variation from the group of well growing, receiving seeds and sowing again until the chosen feature inherits stably.
Description
Technical field
What the present invention relates to is to cultivate the grass family new variety of wheat by Convolvulaceae sweet potato and the asexual distant hybridization of gramineous plants wheat grafting.The distant grafting variation is exactly the degeneration-resistant variation that grafting growth adverse circumstance is induced.
Background technology
At present, known wheat breeding mode is by sexual hybridization seed selection in this genus section, though annual all have a lot of new varieties to occur.But the resistance against diseases of wheat, per mu yield and quality do not have too many breakthrough change and raising.With the sweet potato is stock, and wheat is scion, cultivates the method for new variety of wheat by the distant grafting vegetative hybridization of striding section and does not at home and abroad appear in the newspapers as yet.
Summary of the invention
The present invention is stock with the sweet potato, and wheat is that scion is by striding distant grafting vegetative hybridization seed selection high-quality, high yield, the anti-disease wheat new varieties of section.This kind not only plant is sturdy, and leaf area is big, fringe is big, grain is big, grain fecund amount high and best in quality, has higher cold-resistant, drought resisting, disease-resistant, resistant to lodging characteristic and unique yield potential.
Embodiment
The technology used in the present invention method is: cultivate and grow sturdy sweet potato seedling (seedling is about 50 centimetres) as stock; Cultivate newborn wheat (Henan wheat 18 plant height 3-6 centimetres) as scion; Scion goes to graft in behind the root near-earth stem of stock fully.Cultivating scion survives and confirms that scion early growth period (30 centimetres of plant heights, begin to tiller before) does not have from taking root formation.Remove unnecessary tillering, stay 2-3 main tiller and cultivate its flowering naturally, solid.Results ingraftment seed and its self seed, sorting has the strain body of obvious character variation from the good colony of growing, and the results seed is sowed once more, up to selected proterties genetic stability.
Sweet potato grafting wheat plant will be survived the winter in the greenhouse, results ingraftment seed sow immediately, spring and summer adding generation.Select the variant body, until stabilization characteristics of genetics.
Claims (6)
1, the method for new variety of wheat is cultivated in distant grafting vegetative hybridization, and the selected topic of the present invention and method originality are strong, and selection material and achievement in research are significant, are wheat breeding new ways that has breakthrough innovation at home and abroad.The distant grafting variation is exactly the degeneration-resistant variation that grafting growth adverse circumstance is induced.The grass family new variety of wheat is cultivated in the asexual distant hybridization of Convolvulaceae sweet potato and the grafting of gramineous plants wheat.
2, at home and abroad do not appear in the newspapers as yet by the method for sweet potato and wheat edge asexual grafting cultivation far away new variety of wheat.The seed selection of new material has proved that successfully vegetative hybridization (grafting) is a kind of breeding approach that obtains good variation proterties.The potato wheat new varieties that vegetative hybridization is cultivated have stronger general resistance against disadvantage, experimental results show that: cold-resistant, drought resisting, disease-resistant.Best in quality, yield potential is big, and suitable winter sowing also can be sowed in spring, and this kind suits in eight wheat area plantations of China.
3, cultivate the sturdy sweet potato seedling of growth as stock; Cultivate newborn wheat as scion; Scion goes to graft in behind the root near-earth stem of stock fully.The cultivation scion survives and confirms that the scion early growth period does not have from taking root formation.Remove unnecessary tillering, stay main tiller and cultivate its flowering naturally, solid.Results ingraftment seed and its self seed, sorting has the strain body of obvious character variation from the good colony of growing, and the results seed is sowed once more, up to selected proterties genetic stability.
4, sweet potato and wheat grafting, the character variation that the amphigenetic offspring of scion occurs is called the grafting variation,, the frequency that the grafting variation occurs is much higher than natural variation, and the proterties of variation can genetic stability.
5, sweet potato grafting wheat plant will be survived the winter in the greenhouse, results ingraftment seed sow immediately, spring and summer adding generation.Select the variant body, until stabilization characteristics of genetics.
6, utilize sweet potato and wheat grafting, the amphigenetic offspring's new varieties of scion are backcrossed, and just grafting makes a variation again again.Seed selection has the new variety of wheat (being) of breakthrough
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410055470 CN1765175A (en) | 2004-08-06 | 2004-08-06 | Method for cultivating wheat new variety by distant graft and asexual hybridization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410055470 CN1765175A (en) | 2004-08-06 | 2004-08-06 | Method for cultivating wheat new variety by distant graft and asexual hybridization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1765175A true CN1765175A (en) | 2006-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200410055470 Pending CN1765175A (en) | 2004-08-06 | 2004-08-06 | Method for cultivating wheat new variety by distant graft and asexual hybridization |
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| CN (1) | CN1765175A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498898A (en) * | 2011-11-11 | 2012-06-20 | 界首市昊坤农作物种植专业合作社 | Wheat high-yield cultivation technique using distant grafting induced mutation |
| CN102845239A (en) * | 2012-09-25 | 2013-01-02 | 界首市昊坤农作物种植专业合作社 | Method for breeding new wheat variety by using sweet potatoes and sword bean through distant grafting mutation |
| CN103202181A (en) * | 2013-04-23 | 2013-07-17 | 杜振中 | Sweet potato cross-breeding method |
| CN103535193A (en) * | 2013-10-08 | 2014-01-29 | 界首市昊坤农作物种植专业合作社 | High-yield cultivation method for using sweet potatoes for mutagenesis of wheat through distant grafting |
| CN103947408A (en) * | 2014-04-18 | 2014-07-30 | 陈良 | Cultivating method for fennel with Mentha haplocalyx flavor and products of funnel |
| CN112931092A (en) * | 2021-01-28 | 2021-06-11 | 河南多麦稼农业科技有限公司 | Technology for cultivating hexaploid purple-kernel wheat by utilizing distant symbiosis and epigenetic inheritance |
| CN115250775A (en) * | 2022-07-29 | 2022-11-01 | 吕子栋 | Method for cultivating new soybean variety through three distant grafting vegetative hybrids |
-
2004
- 2004-08-06 CN CN 200410055470 patent/CN1765175A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498898A (en) * | 2011-11-11 | 2012-06-20 | 界首市昊坤农作物种植专业合作社 | Wheat high-yield cultivation technique using distant grafting induced mutation |
| CN102498898B (en) * | 2011-11-11 | 2013-03-27 | 界首市昊坤农作物种植专业合作社 | Wheat high-yield cultivation technique using distant grafting induced mutation |
| CN102845239A (en) * | 2012-09-25 | 2013-01-02 | 界首市昊坤农作物种植专业合作社 | Method for breeding new wheat variety by using sweet potatoes and sword bean through distant grafting mutation |
| CN103202181A (en) * | 2013-04-23 | 2013-07-17 | 杜振中 | Sweet potato cross-breeding method |
| CN103535193A (en) * | 2013-10-08 | 2014-01-29 | 界首市昊坤农作物种植专业合作社 | High-yield cultivation method for using sweet potatoes for mutagenesis of wheat through distant grafting |
| CN103947408A (en) * | 2014-04-18 | 2014-07-30 | 陈良 | Cultivating method for fennel with Mentha haplocalyx flavor and products of funnel |
| CN112931092A (en) * | 2021-01-28 | 2021-06-11 | 河南多麦稼农业科技有限公司 | Technology for cultivating hexaploid purple-kernel wheat by utilizing distant symbiosis and epigenetic inheritance |
| CN115250775A (en) * | 2022-07-29 | 2022-11-01 | 吕子栋 | Method for cultivating new soybean variety through three distant grafting vegetative hybrids |
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