CN1062410C - Cultural method for optimum restoring line - Google Patents
Cultural method for optimum restoring line Download PDFInfo
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- CN1062410C CN1062410C CN95111071A CN95111071A CN1062410C CN 1062410 C CN1062410 C CN 1062410C CN 95111071 A CN95111071 A CN 95111071A CN 95111071 A CN95111071 A CN 95111071A CN 1062410 C CN1062410 C CN 1062410C
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- restoring line
- subspecies
- restoration
- hybridization
- line
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Abstract
The present invention provides a method using a descendent generation measuring and detecting method of secondary subspecies double restoration hybridization for breeding a strong excellent restoring line, and belongs to a new variety breeding method for farm crops and the technical field of the application thereof. The present invention uses special green plants of a nonglutinous-type restoring line as female parents, and minghui 75 plants of secondary subspecies (the filial generation of the nonglutinous subspecies) restoring line as male parents for carrying out the double restoration hybridization. The measurement of restoring force is carried out from the low generation F3 of hybridization, and salt restoration 559 of a strong excellent restoring line is bred. The possibility of the strong excellent restoring line is designed and obtained from the recombination, the accumulation and the complementation of the parental blood relationship and the recovery properties. The salt restoration 559 of a strong excellent restoring line is bred in a shortest time. Thus, the special excellent 559 of strong excellent combination can be measured and matched, and series combination can be formed. The yield is obviously higher than that of the new combination of the shanyou 63 nonglutinous hybrid rice.
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.Superior restorer line that the Fujian Province Sanming City institute of agricultural sciences breeds " bright extensive 63 " and the hybrid rice combination " Shanyou 63 " that forms with its test cross are planted combination the master who over nearly 10 years is China's indica hybrid rice always, and do to recover system with " bright extensive 63 " and survey to allot and resemble " special excellent 63 ", " II excellent 63 ", a series of strong excellent combinations are used for producing " to assist excellent 63 " etc., 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 the indica hybrid rice that purpose of the present invention is cultivated a kind of paddy rice superior restorer line exactly and obviously broken through " Shanyou 63 " with its testcross and screening yield newly makes up.
The objective of the invention is to be achieved through the following technical solutions: the rice restorer breeding method is characterized in that: (1) serves as that maternal the recovery with time subspecies is that hybridize " bright extensive 75 " with indica restorer line " special green grass or young crops "; (2) mix the receipts crossbreed; (3) crossbreed is carried out three generations's selfing, each Dai Jun is to be that the proterties of gathering meets the plant seed of target with individual plant; (4) seed of selecting with the third generation as breeding with recovery is.
As shown from the above technical solution, with indica restorer line " special green grass or young crops " serves as that maternal the recovery with time subspecies is that " bright extensive 75 " 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 by Nan Fanbei and quicken the method for process from generation to generation, breed superior restorer line " salt extensive 559 ".This method had both enlarged parent's blood relationship, strengthened the hybrid vigour of its offspring and male sterile line combo, and can make recovery again is that gene is recombinated, added up, and the advantage proterties is able to complementation, and reaches the purpose of breeding superior restorer line.
Accompanying drawing is the breeding line spectrogram of " salt extensive 559 ".
Below describe the present invention in detail.
One. the extensive friendship of the inferior subspecies of breeding method----of " salt extensive 559 "
Referring to accompanying drawing, summer in 1989, Yancheng, hybridization garden, with " special blue or green " is female parent, recover system " bright extensive 75 " with inferior subspecies (Hybrids of Indica and Japonica offspring) and hybridize cultivation " salt extensive 559 " for male parent, 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, cultivate " salt extensive 559 ", and F3 roguing and special A test cross, new combination F1 of join is carried out advantage identify.
Two. the morphological feature of " salt extensive 559 " (under the ecological condition of Yancheng, Jiangsu)
1. seedling: bud scale is short and thick colourless, and the seedling low body is strong, and blade is narrower slightly to drape over one's shoulders dark green leaf color.
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 wide about 1.1 centimetres, blade is dark green, 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 millimeter of paddy are 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 a leaf in per 3 days; The the 5th～the 18th leaf went out a leaf in per 4.5 days; The the 19th～the 21st leaf went out a 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 " salt extensive 559 " 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 Tepu A " to be carried out to test cross; Summer in 1991, carry out hybrid vigour in Yancheng experiment field and identify, in numerous evaluation combinations, number have outstanding performance with " 91～559 ", meanwhile, corresponding male parent " salt extensive 559 " seed list is received Dan Fan, produce " salt extensive 559 " basic original seed.Winter in 1991, go to Hainan small size production of hybrid seeds, 1992, its crossbreed " special excellent 559 " is 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 " salt extensive 559 " 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 inferior subspecies mirror method ", breed to superior restorer line " salt extensive 559 " from the hybridization combo, and test cross identifies " special excellent 559 ", only used triennium, such cultivation speed is rare in seed selection that recovers system and application facet foot.
Breeding of " special excellent 559 ", it is the concrete application example of superior restorer line " salt extensive 559 ", both used " salt extensive 559 " to continue and dissimilar male sterile line test crosses, or do the parent with " salt extensive 559 ", adopt " the low generation survey of extensive friendship mirror method ", will form new combination of serial strong excellent hybrid rice or new superior restorer line with " salt extensive 559 " preparation.
Claims (1)
1. rice restorer breeding method is characterized in that: (1) serve as that maternal the recovery with time subspecies is that hybridize " bright extensive 75 " with indica restorer line " special blue or green "; (2) mix the receipts crossbreed; (3) crossbreed is carried out three generations's selfing, each Dai Jun is to be that the proterties of gathering meets the plant seed of target with individual plant; (4) seed of selecting with the third generation as breeding with recovery is.
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 CN1131505A (en) | 1996-09-25 |
| CN1062410C true CN1062410C (en) | 2001-02-28 |
Family
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN1062410C (en) |
Cited By (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 |
Families Citing this family (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-congenial restoring line and its heterozygotic combination breeding method |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044201A (en) * | 1990-03-09 | 1990-08-01 | 江苏省农业科学院粮食作物研究所 | Hybrids of Indica and Japonica rice---inferior excellent No. two breeding method |
| CN1066558A (en) * | 1992-05-21 | 1992-12-02 | 陈绍光 | Screen and utilize the method for male sterible series of rice |
-
1995
- 1995-06-14 CN CN95111071A patent/CN1062410C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044201A (en) * | 1990-03-09 | 1990-08-01 | 江苏省农业科学院粮食作物研究所 | Hybrids of Indica and Japonica rice---inferior excellent No. two breeding method |
| CN1066558A (en) * | 1992-05-21 | 1992-12-02 | 陈绍光 | Screen and utilize the method for male sterible series of rice |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1131505A (en) | 1996-09-25 |
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