CN1131505A - Cultural method for optimum restoring line - Google Patents
Cultural method for optimum restoring line Download PDFInfo
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- CN1131505A CN1131505A CN 95111071 CN95111071A CN1131505A CN 1131505 A CN1131505 A CN 1131505A CN 95111071 CN95111071 CN 95111071 CN 95111071 A CN95111071 A CN 95111071A CN 1131505 A CN1131505 A CN 1131505A
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Abstract
A method for culturing strong and excellent recovery line "Yanhui 559" and then "Teyou 559" (hybridized long-grained non-glutinous rice) by recombination, accumulation and mutual complement of parents in genetic connection and recovery characters features that non-glutinous type recovery line "Teqing" is used as female parent, secondary subspecies of recovery line "Minghui 75" is used as male parent and initial generation selfing F3 is used for test of recovery power. Its advantage is high yield.
Description
The invention belongs to the method for breeding of new crop varieties, specifically it relates to the breeding method of indica hybrid rice superior restorer line.
Superior restorer line is to obtain strong excellent hybrid rice newly to make up essential condition, and to recover be under the different situation in that male sterile line is identical, and institute's combo is closed heterotic power, the quality of comprehensive proterties, and the height of yield level all directly is subjected to recovering the restriction that is.Bright extensive 63 ＂ of the superior restorer line ＂ that the Fujian Province Sanming City institute of agricultural sciences breeds and the hybrid rice combination ＂ Shanyou 63 ＂ that forms with its test cross plant combination the master who over nearly 10 years is China's indica hybrid rice always, and do to recover system with bright extensive 63 ＂ of ＂ and survey to allot and resemble special excellent 63 ＂ of ＂, excellent 63 ＂ of ＂ II, ＂ assists a series of strong excellent combinations such as excellent 63 ＂ to be used for producing, though these combinations are revealed some proterties difference with the different table of male sterile line, yield level then with ＂ Shanyou 63 ＂ no significant difference.Therefore, improve the selection that recovers system by every means, breed new superior restorer line, make the strong excellent combination of output breakthrough ＂ Shanyou 63 ＂, break hybrid rice output and stagnate the situation of pacing up and down, impel grain-production to reach a new level, real needs for the Rice Production development also are the technical barriers that rice breeding circle need overcome.
But purpose of the present invention is exactly to cultivate a kind of superior restorer line and newly make up with the indica hybrid rice that its testcross and screening yield is obviously broken through ＂ Shanyou 63 ＂.
The objective of the invention is to be achieved through the following technical solutions: with the special blue or green ＂ of indica restorer line ＂ is female parent, recovering with inferior subspecies (being the Hybrids of Indica and Japonica offspring) is that bright extensive 75 ＂ of ＂ are that male parent is carried out extensive friendship, measure from the low restoring force of carrying out from generation to generation of hybridization, educate the method for quickening the generation process by Nan Fanbei, breed extensive 559 ＂ of superior restorer line ＂ salt.This method has promptly enlarged parent's blood relationship, strengthens the hybrid vigour of its offspring and male sterile line combo, can make again that to recover be that gene is recombinated, and adds up, and merit is able to complementation, and reaches the purpose of breeding extensive 559 ＂ of superior restorer line ＂ salt.
Accompanying drawing is the breeding line spectrogram of extensive 559 ＂ of ＂ salt.
Below describe the present invention in detail.
The extensive friendship of the inferior subspecies of breeding method----of extensive 559 ＂ of one ＂ salt
Referring to accompanying drawing, summer in 1989, Yancheng, hybridization garden, with the special blue or green ＂ of ＂ is female parent, recovering with inferior subspecies (Hybrids of Indica and Japonica offspring) is that bright extensive 75 ＂ of ＂ are that male parent is hybridized extensive 559 ＂ of cultivation ＂ salt, and the winter in 1989, Sanya, hybrid nursery, F1 mix and receive, summer nineteen ninety, Yancheng, selective nursery, F2 selects individual plant; In winter nineteen ninety, Sanya, test cross garden begin to carry out restoring force from F3 and measure, and cultivate extensive 559 ＂ of ＂ salt, and F3 roguing and special A test cross, new combination F1 of join is carried out advantage identify.
Two. the morphological feature of extensive 559 ＂ of ＂ salt (under the ecological condition of Yancheng, Jiangsu)
1. seedling: the bud vaginula is short and thick colourless, and the seedling low body is strong, and blade is narrower slightly to be draped over one's shoulders, leaf color depth edge.
2. one-tenth strain: the plant type compactness, about 115 centimetres of plant heights, about stem true leaf 21 leaves, 5 elongation internodes, blade is more straight and upright, and long 24.5 centimetres of sword-like leave is wide 1.5 centimetres; Two leaves are long 33.6 centimetres, and are wide 1.3 centimetres; Three leaves are long 36.8 centimetres, and are wide about 1.1 centimetres, the dark edge of blade, and leaf joint is colourless.
3. spike of rice: canopy straw mulch top when ripe, curved the hanging down of spike of rice shows arc, and the fringe type is bigger, about 23 centimetres of spike lengths, about 150 of every total grain panicles, about 140 of real grains, about 10 of blighted grains.
4. grain: husk is yellow, and long 8.35 millimeters of paddy is wide 2.78 millimeters, aspect ratio 3.0, colourless the no awns of grain husk point, thousand paddy weigh 24 restrain about.
Three. biological property (under the ecological condition of Yancheng, Jiangsu)
1. growth: seedling stage and tillering stage leaf emergence rate fast, the 1st～the 4th leaf went out 1 leaf in per 3 days; The the 5th～the 18th leaf went out 1 leaf in about 4.5 days; The the 19th～the 21st leaf went out 1 leaf in per 7 days.About sowing～heading 110 days, sowing～maturation is about 145 days; Breeding time is insensitive to light, temperature reaction, belongs to the basic nutrition vegetative form.
2. stooling: isogonic is strong in the tillering ability, and the percentage of earbearing tiller is higher, and general every mu of total stem tiller seedling about 280,000 becomes fringe 16～170,000, the percentage of earbearing tiller about 60%.
3. lodging resistance: cane is more sturdy, and basal internode is shorter, well developed root system, and lodging resistance is stronger.
Four. the low generation survey of the application----of extensive 559 ＂ of ＂ salt mirror
In winter nineteen ninety, in the test cross garden in Nan Fan base, Sanya, Hainan F3 for strain is, select elite plant and ＂ Long Te Pu A ＂ to be carried out to test cross; Summer in 1991, carry out hybrid vigour in experimental field, Yancheng and identify, in numerous evaluation combinations, have outstanding performance with ＂ 91～559 ＂ numbers, meanwhile, the extensive 559 ＂ seed lists of corresponding male parent ＂ salt are received Dan Fan, produce extensive 559 ＂ of ＂ salt basis original seed.Winter in 1991, go to Hainan small size production of hybrid seeds, 1992, special excellent 559 ＂ of its crossbreed ＂ are participated in Jiangsu Province's hybrid rice unite evaluation, participated in Jiangsu Province's assorted Xian district examination in 1993,1994 continuous 2 years, to have outstanding performance, effect of increasing production is obvious.The selection of extensive 559 ＂ of ＂ salt and the supporting research of application technology, bring out the best in each other, and adopt the low generation survey of ＂ the extensive friendship of subspecies survey method ＂, breed to extensive 559 ＂ of superior restorer line ＂ salt from the hybridization combo, and test cross identifies special excellent 559 ＂ of strong excellent combination ＂, only used triennium, such cultivation speed is rare in seed selection and the application facet of recovering system.
Special excellent 559 ＂ of ＂ breed, be the concrete application examples of extensive 559 ＂ of superior restorer line ＂ salt, promptly continue and dissimilar male sterile line test crosses with extensive 559 ＂ of ＂ salt, or do the parent with extensive 559 ＂ of ＂ salt, adopt the low generation survey of the extensive friendship of ＂ mirror method ＂, will form new combination of serial strong excellent hybrid rice or new superior restorer line with the extensive 559 ＂ preparation of ＂ salt.
Claims (3)
1. the breeding method of a superior restorer line, it is characterized in that: with the special blue or green ＂ of indica restorer line ＂ is female parent, recovering with inferior subspecies is that bright extensive 75 ＂ of ＂ are that male parent is carried out extensive friendship, and the low generation of hybridization begins to carry out restoring force mensuration certainly, breeds extensive 559 ＂ of superior restorer line ＂ salt.
2. breeding method according to claim 1 is characterized in that: the low F3 from generation to generation of hybridization begins to carry out restoring force mensuration certainly.
3. breeding method according to claim 1 is characterized in that: F1 mixes and receives seed, begins to select individual plant from F2, begins to carry out restoring force from F3 and measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111071A CN1062410C (en) | 1995-06-14 | 1995-06-14 | Cultural method for optimum restoring line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111071A CN1062410C (en) | 1995-06-14 | 1995-06-14 | Cultural method for optimum restoring line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1131505A true CN1131505A (en) | 1996-09-25 |
| CN1062410C CN1062410C (en) | 2001-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111071A Expired - Fee Related CN1062410C (en) | 1995-06-14 | 1995-06-14 | Cultural method for optimum restoring line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077765C (en) * | 1998-05-12 | 2002-01-16 | 四川省农业科学院作物研究所 | Rice wide-affinity restoring line and breeding method of its heterosis combination |
| CN103168680A (en) * | 2013-04-15 | 2013-06-26 | 四川得月科技种业有限公司 | Method for rapidly and selectively breeding restoring line of hybrid rice |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391332C (en) * | 2006-04-27 | 2008-06-04 | 辽宁省稻作研究所 | Quick oriented selection and breeding technology for hybrid japonica rice restoration line |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1014298B (en) * | 1990-03-09 | 1991-10-16 | 江苏省农业科学院粮食作物研究所 | Method of producing hybrid rice between subspecies of long-grained and round-grained nonglutinous rice |
| CN1042088C (en) * | 1992-05-21 | 1999-02-17 | 陈绍光 | Method of selection and use of rice male sterility line |
-
1995
- 1995-06-14 CN CN95111071A patent/CN1062410C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077765C (en) * | 1998-05-12 | 2002-01-16 | 四川省农业科学院作物研究所 | Rice wide-affinity restoring line and breeding method of its heterosis combination |
| CN103168680A (en) * | 2013-04-15 | 2013-06-26 | 四川得月科技种业有限公司 | Method for rapidly and selectively breeding restoring line of hybrid rice |
| CN103168680B (en) * | 2013-04-15 | 2014-11-26 | 四川得月科技种业有限公司 | Method for rapidly and selectively breeding restoring line of hybrid rice |
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| Publication number | Publication date |
|---|---|
| CN1062410C (en) | 2001-02-28 |
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