CN104137766A - Breeding method of special type giant embryo rice restorer - Google Patents
Breeding method of special type giant embryo rice restorer Download PDFInfo
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- CN104137766A CN104137766A CN201410332776.3A CN201410332776A CN104137766A CN 104137766 A CN104137766 A CN 104137766A CN 201410332776 A CN201410332776 A CN 201410332776A CN 104137766 A CN104137766 A CN 104137766A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 108
- 235000009566 rice Nutrition 0.000 title claims abstract description 108
- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 61
- 238000009395 breeding Methods 0.000 title abstract description 7
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 107
- 230000000306 recurrent effect Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 8
- 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 16
- 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
- 238000011534 incubation Methods 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 8
- 230000001488 breeding effect Effects 0.000 abstract description 5
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 230000009418 agronomic effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 6
- 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
- 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
- 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
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a breeding method of a special type giant embryo rice restorer and belongs to the technical field of breeding the special type rice. The method is characterized in that a green-revertible albino labeled parent W2, a drought resistant parent Lvhan No.1, a glabrous rice parent Guangxiang B and a rice blast resistant parent Wunong Noo.1 are taken as cross parents and the giant embryo rice restorer is taken as a recurrent parent, the genes of four traits of green-revertible albino, glabrous body, drought resistance and rice blast resistance are pyramided into the giant embryo rice restorer by use of a cross-backcross pyramiding method, and consequently, the special type giant embryo rice restorer which is highly consistent with the original giant embryo rice restorer in agronomic and yield traits and has the characteristics of glabrous body, green-revertible albino, drought resistance and rice blast resistance can be bred; and the special type giant embryo rice restorer has the advantages of good resistance, high seed purity, high yield, easy harvesting and the like.
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 be whole body without the paddy rice of hair because sick worm is difficult for adhering to and invading, performance has a stronger resistant to diseases and insects, when manual harvesting and threshing, can reduce that skin is itched and the damage to skin, be easy to mechanized harvest, add free from dust in man-hour, can reduce environmental pollution.Characters of Giant Embryo Rice is the paddy rice with huge embryo, because the increase of embryo makes the nutritive value of rice, greatly improves, and containing abundant γ-aminobutyric acid and multiple natural nutrition element and physiological activator, normal food can improve health, and regulates body ' s physiological rhythm.In recent years, Global Natural Disasters frequency is many, and shortage of water resources, the serious generation of rice blast directly have influence on the production of paddy rice, and arid and rice blast have become the one of the main reasons of Rice Yield Loss Caused.White greening leaf color label is to carry complete albefaction, later stage a seedling stage to turn green novel leaf color marker, carrying recessive green-revertible albino leaf color marker does not affect economical character and the output in maturing stage, as means of identification, can carry out easily hybrid purity detection, when breeding and the production of hybrid seeds, need only the plant of removing those normal leaf looks in seedling stage, can guarantee the purity of restorer breeding and the production of hybrid seeds.Restorer seedling is carried albefaction mark, and the hybrid F of its preparation
1the green characteristic of acting normally again, at F
1according to leaf aberration, different rejecting mixes restorer rice shoot wherein to seeding stage, thereby reaches impurity elimination pure keeping object.Cultivating can drought resisting blast resisting, have naked body again, albefaction turns restorer and hybrid rice green, giant embryo proterties, 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 is selected the virtuous great waves in albefaction green changing type mark 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 the hybridization polymerization that backcrosses, albefaction is turned to 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, it is green that albefaction turns, drought-resistant, the extraordinary type giant embryo restorer of blast resisting characteristic, this special type 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) selecting A-albefaction green changing type mark parent W2, green non-irrigated No. 1 of B-drought-resistant variety, the fragrant B of C-naked body rice parent light, D-blast resisting parent Wunong 1 is resistant parent, and 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) plantation F
1-ABand F
1-CD, in flowering stage, make hybridization F
1-AB/ F
1-CD, F must reestablish diplomatic relations
1-ABCD;
3) plantation F
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent E, F
2-ABCDcolony is in 800-1000 strain, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select individual plant 5 strains of listing mark and agronomy and yield traits excellence flowering stage, make hybridization E/F
2-ABCDobtain F
1-ABCDE;
4) plantation 3) 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, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select flowering stage listing mark and agronomy similar to recurrent parent E with yield traits individual plant 5 strains, E/F backcrosses
2-ABCDEobtain BC
1f
1;
5) plantation 4) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400-600 strain, in the three leaf stages of seedling 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 drought-resistant and rice blast simultaneously, select flowering stage listing mark and agronomy similar to recurrent parent E with yield traits individual plant 5 strains, with the recurrent parent E BC that continues to backcross obtaining
2f
1;
6) by the program of step 5), continue to be returned to BC
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, is carried out respectively albefaction proterties, naked body proterties, drought-resistant, blast resisting screening, by step 5 method, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and in the rice strain of listing mark, selecting flowering stage to bloom, 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 being bred as has the characteristic that giant embryo proterties, naked body proterties, albefaction turn green proterties, drought-resistant, blast resisting simultaneously.
beneficial effect of the present invention:
Effect of the present invention is that respectively albefaction is turned to green mark, naked body, drought resisting, blast resisting proterties to be aggregated in large embryo rice restorer, be bred as extraordinary type Characters of Giant Embryo Rice restorer, this restorer or can improve the resistance level of drought resisting, blast resisting with the giant embryo hybrid rice of its preparation, albefaction turns green mark and is easy to remove hybrid strain, the purity that improves restorer and hybrid, naked body proterties is easy to mechanized harvest and improves output.With every mu of the giant embryo hybrid rice of extraordinary type Characters of Giant Embryo Rice restorer preparation, than former giant embryo hybrid rice check variety, increase output 20-24%.
Embodiment
Embodiment 1:
1) select albefaction green changing type mark parent W2(A), the fragrant B(C of drought-resistant variety green non-irrigated No. 1 (B), 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 hybridize F
1in generation,, respectively with F
1-ABand F
1-CDrepresent;
2) plantation F
1-ABand F
1-CD, in flowering stage, make hybridization F
1-AB/ F
1-CD, F must reestablish diplomatic relations
1(F
1-ABCD);
3) plantation F
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDand recurrent parent (E) MhgeR, F
2-ABCDcolony is in 800 strains, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select individual plant 5 strains of listing mark and agronomy and yield traits excellence flowering stage, make hybridization MhgeR/F
2-ABCDobtain F
1-ABCDE;
4) plantation 3) 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, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select flowering stage listing mark and agronomy similar to MhgeR with yield traits individual plant 5 strains, MhgeR/F backcrosses
2-ABCDEobtain BC
1f
1;
5) plantation 4) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400 strains, in the three leaf stages of seedling 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 drought-resistant and rice blast simultaneously, select flowering stage listing mark and agronomy similar to MhgeR with yield traits individual plant 5 strains, with the MhgeR BC that continues to backcross obtaining
2f
1;
6) by the program of step 5), continue to be returned to BC
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, is carried out respectively albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method), listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and in the rice strain of listing mark, selecting flowering stage to bloom, loose powder is good, economical character is excellent, the individual plant 2-3 strain the most similar to MhgeR can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary MhgeR ";
" extraordinary MhgeR " has the characteristic that giant embryo proterties, naked body proterties, albefaction turn green proterties, drought-resistant, blast resisting simultaneously, is easy to remove hybrid strain, improves the purity of restorer and hybrid, is easy to mechanized harvest and improves output.With every mu of giant embryo hybrid rice of preparing than MhgeR of giant embryo hybrid rice of extraordinary type Characters of Giant Embryo Rice restorer " extraordinary MhgeR " preparation, increase output 20%.
Embodiment 2:
1) select albefaction green changing type mark parent W2(A), the fragrant B(C of drought-resistant variety green non-irrigated No. 1 (B), 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 hybridize F
1in generation,, respectively with F
1-ABand F
1-CDrepresent;
2) plantation F
1-ABand F
1-CD, in flowering stage, make hybridization F
1-AB/ F
1-CD, F must reestablish diplomatic relations
1(F
1-ABCD);
3) plantation F
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDand recurrent parent (E) gewx1, F
2-ABCDcolony is in 900 strains, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select individual plant 5 strains of listing mark and agronomy and yield traits excellence flowering stage, make hybridization gewx1/F
2-ABCDobtain F
1-ABCDE;
4) plantation 3) 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, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select flowering stage listing mark and agronomy similar to gewx1 with yield traits individual plant 5 strains, gewx1/F backcrosses
2-ABCDEobtain BC
1f
1;
5) plantation 4) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 500 strains, in the three leaf stages of seedling 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 drought-resistant and rice blast simultaneously, select flowering stage listing mark and agronomy similar to gewx1 with yield traits individual plant 5 strains, with the gewx1 BC that continues to backcross obtaining
2f
1;
6) by the program of step 5), continue to be returned to BC
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, is carried out respectively albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method), listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and in the rice strain of listing mark, selecting flowering stage to bloom, loose powder is good, economical character is excellent, the individual plant 2-3 strain the most similar to gewx1 can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx1 ";
" extraordinary gewx1 " has the characteristic that giant embryo proterties, naked body proterties, albefaction turn green proterties, drought-resistant, blast resisting simultaneously, is easy to remove hybrid strain, improves the purity of restorer and hybrid, is easy to mechanized harvest and improves output.With every mu of giant embryo hybrid rice of preparing than gewx1 of giant embryo hybrid rice of extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx1 " preparation, increase output 22%.
Embodiment 3:
1) select albefaction green changing type mark parent W2(A), the fragrant B(C of drought-resistant variety green non-irrigated No. 1 (B), 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 hybridize F
1in generation,, respectively with F
1-ABand F
1-CDrepresent;
2) plantation F
1-ABand F
1-CD, in flowering stage, make hybridization F
1-AB/ F
1-CD, F must reestablish diplomatic relations
1(F
1-ABCD);
3) plantation F
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDand recurrent parent (E) gewx2, F
2-ABCDcolony is in 1000 strains, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select individual plant 5 strains of listing mark and agronomy and yield traits excellence flowering stage, make hybridization gewx2/F
2-ABCDobtain F
1-ABCDE;
4) plantation 3) 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, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select flowering stage listing mark and agronomy similar to gewx2 with yield traits individual plant 5 strains, gewx2/F backcrosses
2-ABCDEobtain BC
1f
1;
5) plantation 4) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 600 strains, in the three leaf stages of seedling 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 drought-resistant and rice blast simultaneously, select flowering stage listing mark and agronomy similar to gewx2 with yield traits individual plant 5 strains, with the gewx2 BC that continues to backcross obtaining
2f
1;
6) by the program of step 5), continue to be returned to BC
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, is carried out respectively albefaction proterties, naked body proterties, drought-resistant, blast resisting screening (by step 5 method), listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and in the rice strain of listing mark, selecting flowering stage to bloom, loose powder is good, economical character is excellent, the individual plant 2-3 strain the most similar to gewx2 can be fixed to extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx2 ";
" extraordinary gewx2 " has the characteristic that giant embryo proterties, naked body proterties, albefaction turn green proterties, drought-resistant, blast resisting simultaneously, is easy to remove hybrid strain, improves the purity of restorer and hybrid, is easy to mechanized harvest and improves output.With every mu of giant embryo hybrid rice of preparing than gewx2 of giant embryo hybrid rice of extraordinary type Characters of Giant Embryo Rice restorer " extraordinary gewx2 " preparation, increase output 24%.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing 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 (3)
1. a selection for extraordinary type Characters of Giant Embryo Rice restorer, is characterized in that: described selection comprises the following steps:
1) selecting A-albefaction green changing type mark parent W2, green non-irrigated No. 1 of B-drought-resistant variety, the fragrant B of C-naked body rice parent light, D-blast resisting parent Wunong 1 is resistant parent, and 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) plantation F
1-ABand F
1-CD, in flowering stage, make hybridization F
1-AB/ F
1-CD, F must reestablish diplomatic relations
1-ABCD;
3) plantation F
1-ABCD, selfing obtains F
2-ABCD, plantation F
2-ABCDwith recurrent parent E, F
2-ABCDcolony is in 800-1000 strain, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select individual plant 5 strains of listing mark and agronomy and yield traits excellence flowering stage, make hybridization E/F
2-ABCDobtain F
1-ABCDE;
4) plantation 3) 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, in the three leaf stages of seedling 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 rice shoot listing mark simultaneously drought-resistant and rice blast, select flowering stage listing mark and agronomy similar to recurrent parent E with yield traits individual plant 5 strains, E/F backcrosses
2-ABCDEobtain BC
1f
1;
5) plantation 4) gained BC
1f
1, selfing obtains BC
1f
2, plantation BC
1f
2colony is in 400-600 strain, in the three leaf stages of seedling 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 drought-resistant and rice blast simultaneously, select flowering stage listing mark and agronomy similar to recurrent parent E with yield traits individual plant 5 strains, with the recurrent parent E BC that continues to backcross obtaining
2f
1;
6) by the program of step 5), continue to be returned to BC
4f
1, selfing obtains BC
4f
2generation, plantation BC
4f
2in generation, seedling stage is to BC
4f
2in generation, is carried out respectively albefaction proterties, naked body proterties, drought-resistant, blast resisting screening, by step 5 method, listing mark has the rice seedling of albefaction and naked body proterties, drought-resistant, blast resisting, and in the rice strain of listing mark, selecting flowering stage to bloom, loose powder is good, economical character is excellent, 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 ".
2. the selection of a kind of extraordinary type Characters of Giant Embryo Rice restorer according to claim 1, is characterized in that: recurrent parent E is MhgeR, gewx1 or gewx2.
3. the selection of a kind of extraordinary type Characters of Giant Embryo Rice restorer according to claim 1, is characterized in that: the extraordinary type Characters of Giant Embryo Rice restorer of incubation has the characteristic that giant embryo proterties, naked body proterties, albefaction turn green proterties, drought-resistant, blast resisting simultaneously.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104642099A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of rice restoring line with special characters |
| CN104642100A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of anti-premature senility and storage-endurable green soft rice |
| CN104642103A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of rice noodles dedicated special rice |
| CN104642101A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of two-line sterility line with special character |
| 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 |
| CN111436366A (en) * | 2020-03-25 | 2020-07-24 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104642099A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of rice restoring line with special characters |
| CN104642100A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of anti-premature senility and storage-endurable green soft rice |
| CN104642103A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of rice noodles dedicated special rice |
| CN104642101A (en) * | 2015-03-12 | 2015-05-27 | 福建农林大学 | Breeding method of two-line sterility line with special character |
| 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 |
| CN104642103B (en) * | 2015-03-12 | 2016-07-06 | 福建农林大学 | A kind of selection of rice flour special rice |
| 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 |
| CN111436366A (en) * | 2020-03-25 | 2020-07-24 | 上海天谷生物科技股份有限公司 | Water-saving drought-resistant rice restorer line cultivation method |
| 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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