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도열병 내구 저항성 자포니카 벼품종 팔공의 저항성 관련 유전좌위 분석

백만기1, 조영찬1,*, 박현수1, 정종민1, 김우재1, 남정권1, 김춘송1, 권순욱2, 김보경1

Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong

Korean Journal of Breeding Science 2019;51(4):395-403.
Published online: December 1, 2019

1농촌진흥청 국립식량과학원

2부산대학교 생명자원과학대학

1National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea

2College of Natural Resources and Life Science, Pusan National Unvi., Pusan 4641, Republic of Korea

* Corresponding Author (E-mail: yccho@korea.kr, Tel: +82-63-238-5211, Fax: +82-63-238-5205)
• Received: September 24, 2019   • Revised: September 25, 2019   • Accepted: October 25, 2019

Copyright © 2019 by the Korean Society of Breeding Science

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong
Korean. J. Breed. Sci.. 2019;51(4):395-403.   Published online December 1, 2019
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Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong
Korean. J. Breed. Sci.. 2019;51(4):395-403.   Published online December 1, 2019
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Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong
Image Image Image Image
Fig. 1 Diagram for development of BC1F7-8 population of backcross inbred lines (BILs).
Fig. 2 Photo of blast nursery screening in BIL population (Iksan, 2014).
Fig. 3 Distribution of incidence to blast nursery screening in BIL population.
Fig. 4 Putative QTLs detected for blast resistance in BIL population.
Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong

Linkage group consisting of 171 SNP markers in 80 BIL lines.

Chromosome. no. Linkage group No. of SNP marker Length (cM)
Chr. 1 1-1 4 36.8
1-2 15 146.6
Chr. 2 2 23 202.1
Chr. 3 3 12 128.0
Chr. 4 4-1 6 88.7
4-2 5 35.9
Chr. 5 5 12 81.2
Chr. 6 6 15 135.6
Chr. 7 7 23 139.7
Chr. 8 8 10 60.1
Chr. 9 9 4 17.7
Chr. 10 10 15 84.4
Chr. 11 11 10 106.4
Chr. 12 12 17 140.0

Total 171 1,403.2
Average distance 8.25

Putative QTLs detected for blast resistance in BIL population.

QTL Trait Chr. no. Franking marker Loc. (cM)z No.y LOD Add. R2 (%) Known gene
qBn2.1 13IS 2 aa02000707-aa02000735 30.2 1) 5.79 -3.77 16.1 Pi14(t), Pi16(t)
qBn2.2 13CW 2 aa02000735-aa02000854 50.3 5.17 -2.58 5.4 -
14IS 4.55 1.42 1.2
qBn2.3 13CW 2 ab02000380-aa02001544 80.5 2) 3.37 -3.65 28 Pid1(t)
qBn2.4 13IS 2 aa02001611-aa02003334 110.6 3.30 -4.45 12 -
qBn4.1 13IS 4 aa04002941-aa04005730 16.7 3) 3.21 -3.11 16.1 -
13CW 4.83 -3.34 18.8
14UB 3.92 -4.12 15.7
qBn4.2 13CW 4 aa04009401-aa04008763 109.9 5.68 -3.76 38.9 Pi39(t), qBR4-2
qBn7.1 14UB 7 ac07000428-ac07000431 72.2 3.12 -2.43 9.7 -
qBn7.2 13IS 7 aa07002123-aa07007149 105.6 4) 3.07 -4.01 16.3 Pi17(t)
14UB 3.25 -3.07 12.5
qBn11.1 13CW 11 aa11002722-ac11000367 54.3 5) 4.09 -3.61 41.4 PiCO39(t), Piy(t), Pilm-2, Pi30(t),
14UB 6.44 -4.73 45.8
qBn11.2 13IS 11 aa11007380-aa11004506 99.2 6) 6.87 -4.42 56.7 PikK-h, Pi44(t), Pi54, Pb1
qBn12 13IS 12 aa12001361-aa12004168 39.4 3.49 2.68 1.5 Pi6(t), Pi12(t), Pi21(t), Pitq6