CN1179635C - Method for breeding yellow-seed high oil content rape or cytoplasm male sterility recovery line - Google Patents
Method for breeding yellow-seed high oil content rape or cytoplasm male sterility recovery line Download PDFInfo
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- CN1179635C CN1179635C CNB021387788A CN02138778A CN1179635C CN 1179635 C CN1179635 C CN 1179635C CN B021387788 A CNB021387788 A CN B021387788A CN 02138778 A CN02138778 A CN 02138778A CN 1179635 C CN1179635 C CN 1179635C
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- male sterility
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Abstract
The present invention belongs to the technical field of the selective breeding of a cytoplasm male sterility recovery line of rape, which is characterized in that the yellow-seed rape of different sources is hybridized with a nuclear male sterility strain of a recurrent selection group which establishes a cytoplasm male sterile recovery line to establish the recurrent selection group for selectively breeding a yellow-seed rape cytoplasm male sterile recovery line with high oil content; and the yellow-seed rape cytoplasm male sterile recovery line with high oil content is bred by a recurrent selective breeding method. Compared with the prior art, the present invention has the advantages of simple breeding procedure, money saving and labor saving. The directional selection is continuous, and the yellow-seed frequency and the oil content can be continuously enhanced. When the yellow-seed frequency is continuously enhanced, other characters can also be improved. The artificial selection and the natural selection are organically combined, and the present invention also has the advantage that the recovery line which has good economic character, strong antireversion force and good adaptability can be favorably selected and bred.
Description
Technical field
The invention belongs to the rapeseed cytoplasmic male sterile recovery is the technical field of seed selection.Be specifically related to a kind of breeding method of new seed selection yellow seed rape new varieties.
Background technology
A large amount of studies show that, yellow seed rape has oil content height, protein content height, the low advantage for the treatment of of crude fiber content.Therefore, domestic and international many breedings are man all classifies yellow seed breeding as important breeding objective, and the yellow seed cross-bred rape of seed selection is the effective way that further improves the yellow seed rape variety yield.
Cytoplasmic male sterility is the valid approach of present cross rape breeding (for example, Fu Tingdong work: " breeding of cross-bred rape and utilization ", Wuhan, Hubei science tech publishing house, 2000 years).Can the yellow seed floorboard with high oil content of assembly rape Hybrid by seed selection yellow seed cytoplasmic male sterility recovery system and yellow seed cytoplasmic male sterile line.It is that elder generation hybridizes with yellow seed rape with recovering system that the yellow seed cytoplasmic male sterility of past seed selection is recovered system, isolates yellow seed again and recover system from its filial generation.Because it is many to Gene Handling that yellow seed proterties is subjected to, and heredity is upward unstable, is difficult to prove effective with common cross breeding method.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing breeding method, provide a kind of cultivation yellow seed rape of simple and effective seed selection particularly to cultivate yellow seed, the floorboard with high oil content rapeseed cytoplasmic male sterile recovers the method for system.
The present invention is achieved through the following technical solutions:
A kind of seed selection yellow seed rape, the yellow seed of seed selection particularly, the floorboard with high oil content rapeseed cytoplasmic male sterile recovers the method for system, the cytoplasmic male sterility recovery that establishes a yellow seed rape is a recurrent selection population, yellow seed rape with separate sources is the nuclear male sterility strain hybridization of recurrent selection population with the cytoplasmic male sterility recovery of having set up, from its filial generation, isolate yellow seed and recover system, set up the particularly recurrent selection population of the yellow seed floorboard with high oil content of seed selection rapeseed cytoplasmic male sterile recovery system of the yellow seed of seed selection, and recover system by the yellow seed floorboard with high oil content of recurrent selection method seed selection rapeseed cytoplasmic male sterile.
Concrete seed selection step is as follows:
(1) recovering with the yellow seed rape of separate sources and the cytoplasmic male sterility of having set up is nuclear male sterility strain hybridization in the recurrent selection population, when needing, can also backcross once with corresponding yellow seed parent;
(2) hybridization or backcross progeny seed in the step (1) are seeded under the isolation condition after mixing, treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(3) be seeded under the isolation condition after the seed mixing with results in the step (2), treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(4) seed with results in the step (3) carries out seed color inspection and quality determination, select seed color for yellow or assorted yellow, oil content greater than 42%, erucic acid is lower than 1%, the sulphur glycosides is lower than 30 μ mol/g single-strain seed;
(5) will be seeded under the isolation condition after the seed mixing elected in the step (4), treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe.
Constantly repeat (3), (4), (5) three steps, and from colony, select to educate the strain selfing, from the self progeny, isolate the yellow seed floorboard with high oil content rapeseed cytoplasmic male sterile that meets breeding objective and recover system since second samsara.
Good effect of the present invention is:
1. the procedure of breeding is simple, and it is laborsaving to save money;
2. continuously-directional is selected, and can improve constantly yellow seed rate and oil content;
3. when improving constantly yellow seed rate and oil content, can also improve other proterties;
4. artificial selection and natural selection are organically combined, help the good recovery system of the good strong stress resistance adaptability of seed selection economic characters.
Embodiment:
Embodiment 1: it is the seed selection example of YR6245 that yellow seed floorboard with high oil content recovers
Recovering with the yellow seed rape set up is that sterile strain in the recurrent selection population is done maternal, respectively with cabbage type rape yellow seed strain No.2127-1, Yn-90-1016,2000V57 or Rakow hybridization, obtain behind the F1 again backcrossing once, again backcross progeny seed mixed seeding is entered recurrent selection with corresponding yellow seed parent.Its concrete seed selection step is:
(1) recovering with the yellow seed rape (for example: cabbage type rape yellow seed strain No.2127-1, Yn90-1016,2000V57 or Rakow) of separate sources and the cytoplasmic male sterility of having set up is nuclear male sterility strain hybridization in the recurrent selection population, obtains the F1 hybrid;
(2) the F1 hybrid is backcrossed once with corresponding yellow seed parent;
(3) hybridization or backcross progeny seed in step (1) or (2) are seeded under the isolation condition after mixing, treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(4) be seeded under the isolation condition after the seed mixing with results in the step (3), treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(5) seed with results in the step (4) carries out seed color inspection and quality determination, select seed color for yellow or assorted yellow, oil content greater than 42%, erucic acid is lower than 1%, the sulphur glycosides is lower than 30 μ mol/g individual plant 1000 strain seeds;
(6) with being seeded under the isolation condition after 1000 elected in the step (5) single-strain seeds mixing, treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
Constantly repeat (5), (6) two steps, and from colony, select to educate the strain selfing, from the self progeny, isolate the yellow seed floorboard with high oil content rapeseed cytoplasmic male sterile that meets breeding objective and recover system since second samsara.
Claims (2)
1, a kind of seed selection yellow seed rape particularly yellow seed floorboard with high oil content of seed selection rapeseed cytoplasmic male sterile recovers the method for system, it is recurrent selection population that the cytoplasmic male sterility that it is characterized in that establishing a yellow seed rape is recovered, yellow seed rape with separate sources is the nuclear male sterility strain hybridization of recurrent selection population with the cytoplasmic male sterility recovery of having set up, from its filial generation, isolate yellow seed and recover system, set up the particularly recurrent selection population of the yellow seed floorboard with high oil content of seed selection rapeseed cytoplasmic male sterile recovery system of the yellow seed of seed selection, and by the yellow seed floorboard with high oil content of recurrent selection method seed selection rapeseed cytoplasmic male sterile recovery system, concrete seed selection step is as follows:
(1) recovering with the yellow seed rape of separate sources and the cytoplasmic male sterility of having set up is nuclear male sterility strain hybridization in the recurrent selection population, when needing, can also backcross once with corresponding yellow seed parent;
(2) hybridization or backcross progeny seed in the step (1) are seeded under the isolation condition after mixing, treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(3) be seeded under the isolation condition after the seed mixing with results in the step (2), treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe;
(4) seed with results in the step (3) carries out seed color inspection and quality determination, select seed color for yellow or assorted yellow, oil content greater than 42%, erucic acid is lower than 1%, the sulphur glycosides is lower than 30 μ mol/g single-strain seed;
(5) will be seeded under the isolation condition after the seed mixing elected in the step (4), treat on the plant that shows as nuclear male sterility, to gather in the crops seed when rape is ripe.
2, method according to claim 1, it is characterized in that continuous repetition (3), (4), (5) three steps, and from colony, select to educate the strain selfing since second samsara, from the self progeny, isolate the yellow seed floorboard with high oil content rapeseed cytoplasmic male sterile that meets breeding objective and recover system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021387788A CN1179635C (en) | 2002-07-12 | 2002-07-12 | Method for breeding yellow-seed high oil content rape or cytoplasm male sterility recovery line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021387788A CN1179635C (en) | 2002-07-12 | 2002-07-12 | Method for breeding yellow-seed high oil content rape or cytoplasm male sterility recovery line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1466870A CN1466870A (en) | 2004-01-14 |
| CN1179635C true CN1179635C (en) | 2004-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021387788A Expired - Fee Related CN1179635C (en) | 2002-07-12 | 2002-07-12 | Method for breeding yellow-seed high oil content rape or cytoplasm male sterility recovery line |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106069742A (en) * | 2016-07-21 | 2016-11-09 | 重庆市农业科学院 | A kind of method improving Rape Germplasm Resources oil content |
| CN111789023A (en) * | 2020-07-27 | 2020-10-20 | 西南大学 | Breeding method of yellow-seed high-oleic-acid cabbage type rape |
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2002
- 2002-07-12 CN CNB021387788A patent/CN1179635C/en not_active Expired - Fee Related
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