CN104137766B - A kind of selection of extraordinary type Characters of Giant Embryo Rice restorer - Google Patents
A kind of selection of extraordinary type Characters of Giant Embryo Rice restorer Download PDFInfo
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- CN104137766B CN104137766B CN201410332776.3A CN201410332776A CN104137766B CN 104137766 B CN104137766 B CN 104137766B CN 201410332776 A CN201410332776 A CN 201410332776A CN 104137766 B CN104137766 B CN 104137766B
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 101
- 235000009566 rice Nutrition 0.000 title claims abstract description 101
- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 58
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 100
- 230000000306 recurrent effect Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims description 35
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 25
- 241000196324 Embryophyta Species 0.000 claims description 21
- 238000009396 hybridization Methods 0.000 claims description 15
- 238000002054 transplantation Methods 0.000 claims description 15
- 235000021329 brown rice Nutrition 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 5
- 238000009331 sowing Methods 0.000 claims description 5
- 238000003306 harvesting Methods 0.000 abstract description 8
- 238000009395 breeding Methods 0.000 abstract description 5
- 230000001488 breeding effect Effects 0.000 abstract description 5
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
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- OGNSCSPNOLGXSM-UHFFFAOYSA-N (+/-)-DABA Natural products NCCC(N)C(O)=O OGNSCSPNOLGXSM-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229960003692 gamma aminobutyric acid Drugs 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
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- 230000000050 nutritive effect Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of selection of extraordinary type Characters of Giant Embryo Rice restorer, belong to Special Rices breeding technical field.This method selects albefaction green changing type to mark parent W2, green non-irrigated No. 1 of drought resisting parent, the fragrant B of naked body rice parent light, blast resisting parent Wunong 1 is hybrid strain, it is recurrent parent that Characters of Giant Embryo Rice recovers, by hybridizing the polymerization that backcrosses, albefaction is turned green, naked body, drought-resistant, the gene pyramiding of these 4 kinds of proterties of blast resisting is in Characters of Giant Embryo Rice restorer, be bred as agronomy consistent with former Characters of Giant Embryo Rice restorer height with yield traits, there is naked body, albefaction turns green, drought-resistant, the extraordinary type giant embryo restorer of blast resisting characteristic, this extraordinary type giant embryo restorer has better resistance, seed purity is high, output is high, the advantages such as easy harvesting.
Description
Technical field
The present invention is specifically related to a kind of selection of extraordinary type Characters of Giant Embryo Rice restorer, belongs to Special Rices breeding technical field.
Background technology
Naked body rice is the paddy rice of whole body without hair, because sick worm not easily adheres to and invades, performance has stronger resistant to diseases and insects, skin can be reduced itch and damage to skin when manual harvesting and threshing, be easy to mechanized harvest, add free from dust in man-hour, can environmental pollution be reduced.Characters of Giant Embryo Rice is the paddy rice with large prostate, makes the nutritive value of rice greatly improve because of the increase of embryo, and contain the γ-aminobutyric acid and multiple natural nutrition element and physiological activator enriched, normal food can improve health, and regulates body ' s physiological rhythm.In recent years, Global Natural Disasters frequency is many, and the production directly having influence on paddy rice seriously occurs for shortage of water resources, rice blast, and arid and rice blast have become the one of the main reasons of Rice Yield Loss Caused.White greening leaf color label be carry complete albefaction a seedling stage, the later stage turns green novel leaf colour marker, carry economical character and output that recessive green-revertible albino leaf color marker does not affect the maturing stage, hybrid purity detection can be carried out easily as means of identification, as long as remove the plant of those normal leaf looks in seedling stage when breeding and the production of hybrid seeds, the purity of restorer breeding and the production of hybrid seeds can be ensured.Restorer seedling carries albefaction mark, and the hybrid F of its preparation
1the characteristic of green of acting normally again, at F
1seeding stage mixes restorer rice shoot wherein according to the different rejecting of leaf aberration, thus reaches impurity elimination pure keeping object.Cultivate can drought resisting blast resisting, again there is naked body, albefaction turns green, the restorer of giant embryo proterties and hybrid rice, has important theory and realistic meaning.
Summary of the invention
The object of the present invention is to provide a kind of selection of extraordinary type Characters of Giant Embryo Rice restorer, this method selects albefaction green changing type to mark the virtuous great waves in parent W2(room. and paddy rice turns the characteristic of green mutant in vain, heredity and Breeding Application thereof. nuclear agricultural science report, 2009, 23 (1): 1-6), green non-irrigated No. 1 of drought resisting parent, the fragrant B of naked body rice parent light, blast resisting parent Wunong 1 is hybrid strain, it is recurrent parent that Characters of Giant Embryo Rice recovers, by hybridizing the polymerization that backcrosses, albefaction is turned green, naked body, drought-resistant, the gene pyramiding of these 4 kinds of proterties of blast resisting is in Characters of Giant Embryo Rice restorer, be bred as agronomy consistent with former Characters of Giant Embryo Rice restorer height with yield traits, there is naked body, albefaction turns green, drought-resistant, the extraordinary type giant embryo restorer of blast resisting characteristic, this extraordinary type giant embryo restorer has better resistance, seed purity is high, output is high, the advantages such as easy harvesting.
For reaching above object, the present invention by the following technical solutions:
1) select A-albefaction green changing type to mark green non-irrigated No. 1 of parent W2, B-drought-resistant variety, C-naked body rice parent light fragrant B, D-blast resisting parent Wunong 1 is resistant parent, it is recurrent parent-E that Characters of Giant Embryo Rice recovers, and makes hybridization A/B and C/D, must hybridize F
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) F is planted
1-ABand F
1-CD, make hybridization F in flowering stage
1-AB/ F
1-CD, must reestablish diplomatic relations F
1-ABCD;
3) F is planted
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent E, F
2-ABCDcolony is in 800-1000 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction leaf and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and individual plant 5 strain of agronomy and yield traits excellence, make hybridization E/F
2-ABCDobtain F
1-ABCDE;
4) 3 are planted) gained F
1-ABCDE, selfing obtains F
2-ABCDE, by F
2-ABCDEseed shells into brown rice, select the brown rice sowing with giant embryo proterties, colony is in 400-600 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the drought-resistant rice shoot listing mark with rice blast simultaneously, select listing mark flowering stage and agronomy and yield traits similar to recurrent parent E individual plant 5 strain, backcross E/F
2-ABCDEobtain BC
1f
1;
5) 4 are planted) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400-600 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and agronomy and yield traits similar to recurrent parent E individual plant 5 strain, continue with recurrent parent E the BC that backcrosses to obtain
2f
1;
6) continue to be returned to BC by the program of step 5)
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, carries out albefaction proterties, naked body proterties, drought-resistant, blast resisting screening respectively, by step 5 method, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and selecting flowering stage to bloom in the rice strain of listing mark, loose powder is good, economical character is excellent, the individual plant 2-3 strain the most similar to recurrent parent E can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary geR ";
The selection of extraordinary type Characters of Giant Embryo Rice restorer, it is MhgeR, gewx1 or gewx2 that its recurrent parent (E) giant embryo recovers.The extraordinary type Characters of Giant Embryo Rice restorer be bred as has giant embryo proterties simultaneously, naked body proterties, albefaction turn green proterties, the characteristic of drought-resistant, blast resisting.
beneficial effect of the present invention:
Effect of the present invention is respectively albefaction to be turned green mark, naked body, drought resisting, blast resisting proterties are aggregated in large embryo rice restorer, be bred as extraordinary type Characters of Giant Embryo Rice restorer, this restorer or the resistance level of drought resisting, blast resisting can be improved with the giant embryo hybrid rice of its preparation, albefaction turns green mark and is then easy to remove hybrid strain, improve the purity of restorer and hybrid, naked body proterties is easy to mechanized harvest and improves output.The giant embryo hybrid rice every mu prepared by extraordinary type Characters of Giant Embryo Rice restorer is than former giant embryo hybrid rice check variety increase yield 20-24%.
Embodiment
Embodiment 1:
1) select albefaction green changing type to mark parent W2(A), drought-resistant variety green non-irrigated No. 1 (B), the fragrant B(C of naked body rice parent light), blast resisting parent Wunong 1 (D) is resistant parent, Characters of Giant Embryo Rice restorer MhgeR is recurrent parent (E), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) F is planted
1-ABand F
1-CD, make hybridization F in flowering stage
1-AB/ F
1-CD, must reestablish diplomatic relations F
1(F
1-ABCD);
3) F is planted
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent (E) MhgeR, F
2-ABCDcolony is in 800 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction leaf and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and individual plant 5 strain of agronomy and yield traits excellence, make hybridization MhgeR/F
2-ABCDobtain F
1-ABCDE;
4) 3 are planted) gained F
1-ABCDE, selfing obtains F
2-ABCDE, by F
2-ABCDEseed shells into brown rice, select the brown rice sowing with giant embryo proterties, colony is in 400 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the drought-resistant rice shoot listing mark with rice blast simultaneously, select listing mark flowering stage and agronomy and yield traits similar to MhgeR individual plant 5 strain, backcross MhgeR/F
2-ABCDEobtain BC
1f
1;
5) 4 are planted) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and agronomy and yield traits similar to MhgeR individual plant 5 strain, continue with MhgeR the BC that backcrosses to obtain
2f
1;
6) continue to be returned to BC by the program of step 5)
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, carries out albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method) respectively, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and the individual plant 2-3 strain that loose powder is good, economical character is excellent, the most similar to MhgeR of selecting flowering stage to bloom in the rice strain of listing mark can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary MhgeR ";
" extraordinary MhgeR " has giant embryo proterties simultaneously, naked body proterties, albefaction turn green proterties, the characteristic of drought-resistant, blast resisting, is easy to remove hybrid strain, improves the purity of restorer and hybrid, be easy to mechanized harvest and improve output.With the giant embryo hybrid rice increase yield 20% that the giant embryo hybrid rice every mu that extraordinary type Characters of Giant Embryo Rice restorer " extraordinary MhgeR " is prepared is prepared than MhgeR.
Embodiment 2:
1) select albefaction green changing type to mark parent W2(A), drought-resistant variety green non-irrigated No. 1 (B), the fragrant B(C of naked body rice parent light), blast resisting parent Wunong 1 (D) is resistant parent, Characters of Giant Embryo Rice restorer gewx1 is recurrent parent (E), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) F is planted
1-ABand F
1-CD, make hybridization F in flowering stage
1-AB/ F
1-CD, must reestablish diplomatic relations F
1(F
1-ABCD);
3) F is planted
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent (E) gewx1, F
2-ABCDcolony is in 900 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction leaf and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and individual plant 5 strain of agronomy and yield traits excellence, make hybridization gewx1/F
2-ABCDobtain F
1-ABCDE;
4) 3 are planted) gained F
1-ABCDE, selfing obtains F
2-ABCDE, by F
2-ABCDEseed shells into brown rice, select the brown rice sowing with giant embryo proterties, colony is in 500 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the drought-resistant rice shoot listing mark with rice blast simultaneously, select listing mark flowering stage and agronomy and yield traits similar to gewx1 individual plant 5 strain, backcross gewx1/F
2-ABCDEobtain BC
1f
1;
5) 4 are planted) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 500 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and agronomy and yield traits similar to gewx1 individual plant 5 strain, continue with gewx1 the BC that backcrosses to obtain
2f
1;
6) continue to be returned to BC by the program of step 5)
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, carries out albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method) respectively, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and the individual plant 2-3 strain that loose powder is good, economical character is excellent, the most similar to gewx1 of selecting flowering stage to bloom in the rice strain of listing mark can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx1 ";
" extraordinary gewx1 " has giant embryo proterties simultaneously, naked body proterties, albefaction turn green proterties, the characteristic of drought-resistant, blast resisting, is easy to remove hybrid strain, improves the purity of restorer and hybrid, be easy to mechanized harvest and improve output.With the giant embryo hybrid rice increase yield 22% that the giant embryo hybrid rice every mu that extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx1 " is prepared is prepared than gewx1.
Embodiment 3:
1) select albefaction green changing type to mark parent W2(A), drought-resistant variety green non-irrigated No. 1 (B), the fragrant B(C of naked body rice parent light), blast resisting parent Wunong 1 (D) is resistant parent, Characters of Giant Embryo Rice restorer gewx2 is recurrent parent (E), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) F is planted
1-ABand F
1-CD, make hybridization F in flowering stage
1-AB/ F
1-CD, must reestablish diplomatic relations F
1(F
1-ABCD);
3) F is planted
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent (E) gewx2, F
2-ABCDcolony is in 1000 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction leaf and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and individual plant 5 strain of agronomy and yield traits excellence, make hybridization gewx2/F
2-ABCDobtain F
1-ABCDE;
4) 3 are planted) gained F
1-ABCDE, selfing obtains F
2-ABCDE, by F
2-ABCDEseed shells into brown rice, select the brown rice sowing with giant embryo proterties, colony is in 600 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the drought-resistant rice shoot listing mark with rice blast simultaneously, select listing mark flowering stage and agronomy and yield traits similar to gewx2 individual plant 5 strain, backcross gewx2/F
2-ABCDEobtain BC
1f
1;
5) 4 are planted) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 600 strains, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and agronomy and yield traits similar to gewx2 individual plant 5 strain, continue with gewx2 the BC that backcrosses to obtain
2f
1;
6) continue to be returned to BC by the program of step 5)
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, carries out albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method) respectively, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and the individual plant 2-3 strain that loose powder is good, economical character is excellent, the most similar to gewx2 of selecting flowering stage to bloom in the rice strain of listing mark can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx2 ";
" extraordinary gewx2 " has giant embryo proterties simultaneously, naked body proterties, albefaction turn green proterties, the characteristic of drought-resistant, blast resisting, is easy to remove hybrid strain, improves the purity of restorer and hybrid, be easy to mechanized harvest and improve output.With the giant embryo hybrid rice increase yield 24% that the giant embryo hybrid rice every mu that extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx2 " is prepared is prepared than gewx2.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. a selection for extraordinary type Characters of Giant Embryo Rice restorer, is characterized in that: described selection comprises the following steps:
1) select A-albefaction green changing type to mark green non-irrigated No. 1 of parent W2, B-drought-resistant variety, C-naked body rice parent light fragrant B, D-blast resisting parent Wunong 1 is resistant parent, it is recurrent parent-E that Characters of Giant Embryo Rice recovers, and makes hybridization A/B and C/D, must hybridize F
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) F is planted
1-ABand F
1-CD, make hybridization F in flowering stage
1-AB/ F
1-CD, must reestablish diplomatic relations F
1-ABCD;
3) F is planted
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent E, F
2-ABCDcolony is in 800-1000 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction leaf and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and individual plant 5 strain of agronomy and yield traits excellence, make hybridization E/F
2-ABCDobtain F
1-ABCDE;
4) 3 are planted) gained F
1-ABCDE, selfing obtains F
2-ABCDE, by F
2-ABCDEseed shells into brown rice, select the brown rice sowing with giant embryo proterties, colony is in 400-600 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the drought-resistant rice shoot listing mark with rice blast simultaneously, select listing mark flowering stage and agronomy and yield traits similar to recurrent parent E individual plant 5 strain, backcross E/F
2-ABCDEobtain BC
1f
1;
5) 4 are planted) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400-600 strain, seedling stage three-leaf stage carry out albefaction proterties, naked body character screening, select the seedling transplantation simultaneously with albefaction and naked body proterties to same field, carry out drought-resistant, blast resisting screening test, select the rice shoot listing mark of simultaneously drought-resistant and rice blast, select listing mark flowering stage and agronomy and yield traits similar to recurrent parent E individual plant 5 strain, continue with recurrent parent E the BC that backcrosses to obtain
2f
1;
6) continue to be returned to BC by the program of step 5)
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, carries out albefaction proterties, naked body proterties, drought-resistant, blast resisting screening respectively, by step 5 method, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and selecting flowering stage to bloom in the rice strain of listing mark, loose powder is good, economical character is excellent, namely the individual plant 2-3 strain the most similar to recurrent parent E be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary geR ";
Recurrent parent E is MhgeR, gewx1 or gewx2; The extraordinary type Characters of Giant Embryo Rice restorer be bred as has giant embryo proterties simultaneously, naked body proterties, albefaction turn green proterties, the characteristic of drought-resistant, blast resisting.
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| CN104642103B (en) * | 2015-03-12 | 2016-07-06 | 福建农林大学 | A kind of selection of rice flour special rice |
| CN104642100B (en) * | 2015-03-12 | 2016-06-29 | 福建农林大学 | A kind of selection of the green soft rice rice of premature senescence resistance storage endurance |
| CN104642099B (en) * | 2015-03-12 | 2016-11-30 | 福建农林大学 | A kind of selection with specialized character rice restorer |
| CN108834887A (en) * | 2018-08-31 | 2018-11-20 | 江西省农业科学院农产品质量安全与标准研究所 | A kind of albefaction turns the selection of green coloured Characters of Giant Embryo Rice |
| CN111280049A (en) * | 2020-02-12 | 2020-06-16 | 安徽袁粮水稻产业有限公司 | Breeding method of hybrid rice restorer line with smooth leaf type |
| CN111436366B (en) * | 2020-03-25 | 2023-05-16 | 上海天谷生物科技股份有限公司 | Water-saving drought-resistant rice restorer line cultivation method |
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| CN1183824C (en) * | 2001-12-30 | 2005-01-12 | 福建农林大学 | Breeding method of large embryo rice variety |
| CN102577938A (en) * | 2012-02-22 | 2012-07-18 | 福建农林大学 | Nude hybrid rice and breeding method thereof |
| CN102630556B (en) * | 2012-05-12 | 2013-04-17 | 福建农林大学 | Breeding method of multi-resistance glutinous rice restoring line |
| CN103229712B (en) * | 2013-05-06 | 2014-02-19 | 福建农林大学 | Breeding method of multi-resistance cold-resistant two-line sterile line |
| CN103891603B (en) * | 2014-04-04 | 2015-11-18 | 福建农林大学 | A kind of selection of multifunctional paddy CMS line |
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