CN101401542A - Method for combining hybrid first generation seed with cytoplasmic male sterility system - Google Patents
Method for combining hybrid first generation seed with cytoplasmic male sterility system Download PDFInfo
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- CN101401542A CN101401542A CNA2008100738759A CN200810073875A CN101401542A CN 101401542 A CN101401542 A CN 101401542A CN A2008100738759 A CNA2008100738759 A CN A2008100738759A CN 200810073875 A CN200810073875 A CN 200810073875A CN 101401542 A CN101401542 A CN 101401542A
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Abstract
The invention relates to a method for combining the first generation of hybrid seeds by kenaf cytoplasmic male sterile line, and belongs to the technical field of combination of crop hybrid seeds. The method is characterized in that the kenaf cytoplasmic male sterile line (also called cytoplasmic-nuclear male sterile line) is taken as female parent, and is combined and crossbred with any one of male fertile varieties (lines), and the male fertile variety (line) is in accordance with the breeding target and is taken as male parent, without considering whether the first generation of hybrid restores the fertility. The method can greatly improve the freedom degree of kenaf hybridized combination, and is easy to breed the hybridized combination with comparative advantages.
Description
Technical field:
The present invention relates to the compound formulation of crop hybrid kind, specifically is the method that a kind of usefulness is utilized bluish dogbane cytoplasmic male sterile line assembly first generation of hybrid seed.
Background technology:
Bluish dogbane claims " mestha " again, is the annual phloem fiber crop of Malvaceae Hibiscus.Because of bluish dogbane serves as the cultivation purpose with results phloem fiber or stem stalk, heterosis rate is up to 35%～40%, the bluish dogbane heterosis utilization is the main goal of attack of domestic and international bluish dogbane breeding for a long time, is not used for hybrid seed production but forefathers have selected utilization value bluish dogbane cytoplasmic male sterile line as yet.
In September, 2008, " selection of bluish dogbane Yebai cytoplasmic male sterile line " of the Zhou Ruiyang of Guangxi University invention obtains national inventing patent (ZL 200510019454.4).No. the [2004] 152, Gui Ke mirror word), (see: 7 cytoplasmic male sterile lines such as, the bluish dogbane heterosis utilization enters the combination selection stage for good fortune 3A, P3A, 917A, 722A, 763A and L23A No. the [2007] 177, Gui Ke mirror word) according to said method having selected K03A (sees:.
Cytoplasmic male sterility in plants system is called cytoplasmic nuclear male sterile line again.Because most crops serve as the cultivation purpose with the results fruits and seeds, the general method breeding male sterile line that adopts male sterile line * male sterility maintainer line (abbreviation maintenance line) hybridization, with male sterile line * restoring line method assembly first generation of hybrid seed of (be called for short and recover system), " three series mating " of promptly so-called male sterile line, maintenance line and recovery system.But because the fertility whether this method can recover filial generation to male parent has specific (special) requirements, cause the male parent range of choice narrow, limited the apolegamy of strong advantage combination to a certain extent.
Summary of the invention:
Purpose of the present invention provides a kind of method of utilizing cytoplasmic male sterile line assembly bluish dogbane crossbreed overcoming the defective that prior art exists.
Technical scheme of the present invention is: with the method propagated cell matter male sterile line of bluish dogbane cytoplasmic male sterile line * male sterility maintainer line; With bluish dogbane cytoplasmic male sterile line * arbitrary kind (being) the assembly first generation of hybrid (F that educates
1Generation) seed.
Novelty of the present invention is: whether the first generation of hybrid is recovered not educate require, because bluish dogbane serves as the cultivation purpose with results stem stalk or phloem fiber, need not gather in the crops seed, therefore, the present invention does not adopt traditional male sterile line and the method assembly first generation of hybrid seed that recovers system's hybridization, but adopts male sterile line and arbitrary educated kind (being) that meets breeding objective to be male parent assembly first generation of hybrid seed.
Practicality of the present invention is: owing to whether the first generation of hybrid is recovered not educate require, nearly all material of educating all can be done the hybridization of male parent and male sterile line, as long as its coordinate force is high, help selecting high yield, high-quality, disease-resistant strong advantage hybrid combination.
Embodiment:
Embodiment 1:
With bluish dogbane cytoplasmic male sterility K03A (seeing patent of invention: ZL 200510019454.4) is female parent, is male parent propagated cell matter male sterile line K03A with K03B; With bluish dogbane cytoplasmic male sterile line K03A is female parent, is that the male parent assembly goes out bluish dogbane crossbreed K03-2 with red 992 (University Of Agriculture and Forestry In Fujian provides) of good fortune, acts normally and can educate, high yield, high-quality, high anti-bluish dogbane anthracnose.This kind was in the expert appraisal by national agricultural [technology service centre tissue in 2007, and naming is " red excellent No. 1 " (state judgment fiber crops 2007003).
Embodiment 2:
With bluish dogbane cytoplasmic male sterile line " red No. 3 A of good fortune " (seeing patent of invention: ZL 200510019454.4 embodiment 4) is female parent, is male parent propagated cell matter male sterile line " red No. 3 A of good fortune " with " red No. 3 B of good fortune "; With another cytoplasmic male sterility maintenance line " rich No. 1 B in Guangdong " (seeing patent of invention: ZL 200510019454.4 embodiment 3) is that the male parent assembly goes out bluish dogbane crossbreed K07-2, performance male sterile, high yield, high-quality, high anti-bluish dogbane anthracnose are increased production more than 20% than the bluish dogbane kind " No. 3, rascal " that large tracts of land is promoted.
Claims (1)
- A kind of method of utilizing bluish dogbane cytoplasmic male sterile line assembly first generation of hybrid seed, it is characterized in that: with cytoplasmic male sterile line (being called nucleo-cytoplasmic interreaction male sterility system again) is female parent, with arbitrary male-fertile kind (being) that meets breeding objective is male parent assembly hybrid combination, need not to consider whether the first generation of hybrid is recovered to educate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100738759A CN101401542A (en) | 2008-11-03 | 2008-11-03 | Method for combining hybrid first generation seed with cytoplasmic male sterility system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100738759A CN101401542A (en) | 2008-11-03 | 2008-11-03 | Method for combining hybrid first generation seed with cytoplasmic male sterility system |
Publications (1)
| Publication Number | Publication Date |
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| CN101401542A true CN101401542A (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100738759A Pending CN101401542A (en) | 2008-11-03 | 2008-11-03 | Method for combining hybrid first generation seed with cytoplasmic male sterility system |
Country Status (1)
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| CN (1) | CN101401542A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144535A (en) * | 2011-02-22 | 2011-08-10 | 广西大学 | Method for producing hybrid seeds by ambary cytoplasm male sterile line |
| CN103667495A (en) * | 2013-12-19 | 2014-03-26 | 广西大学 | Molecular identification method for kenaf male sterility cytoplasm |
| CN107996389A (en) * | 2017-12-04 | 2018-05-08 | 广西大学 | A kind of selection of bluish dogbane cultigen cytoplasmic male sterile line |
-
2008
- 2008-11-03 CN CNA2008100738759A patent/CN101401542A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144535A (en) * | 2011-02-22 | 2011-08-10 | 广西大学 | Method for producing hybrid seeds by ambary cytoplasm male sterile line |
| CN102144535B (en) * | 2011-02-22 | 2013-06-12 | 广西大学 | Method for producing hybrid seeds by ambary cytoplasm male sterile line |
| CN103667495A (en) * | 2013-12-19 | 2014-03-26 | 广西大学 | Molecular identification method for kenaf male sterility cytoplasm |
| CN103667495B (en) * | 2013-12-19 | 2015-11-11 | 广西大学 | A kind of molecular assay method of bluish dogbane male sterile cytoplasm |
| CN107996389A (en) * | 2017-12-04 | 2018-05-08 | 广西大学 | A kind of selection of bluish dogbane cultigen cytoplasmic male sterile line |
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Application publication date: 20090408 |