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분자육종법과 관행육종법을 활용한 고식미계통 선발효율성 비교분석

Comparison of Marker-assisted Selection and Conventional Breeding Methods for Selection of High Palatability Rice

Korean Journal of Breeding Science 2014;46(3):250-259.
Published online: August 31, 2014

National Institute of Crop Science, RDA, Suwon 441-857, Korea

*Corresponding Author (E-mail: suhjp@korea.kr Tel: +82-31-290-6710, Fax: +82-31-290-6730)
• Received: September 1, 2014   • Revised: September 18, 2014   • Accepted: September 18, 2014

© 2014 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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  • Cup Arrangement Ranking Method for a Rapid and Small-Sample Sensory Evaluation of Cooked Rice
    Jeom-Sig Lee, Jieun Kwak, Mi-Ra Yoon, Jeong-Heui Lee, Eok-Keun Ahn, Hyang-Mee Park, Yong-Jae Won, Ji Young Shon, Jun Hwan Kim, Jung-Pil Suh, Areum-Chun, Jaebuhm Chun, Jang Hee Lee
    Korean Journal of Breeding Science.2015; 47(2): 105.     CrossRef

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Comparison of Marker-assisted Selection and Conventional Breeding Methods for Selection of High Palatability Rice
Korean. J. Breed. Sci.. 2014;46(3):250-259.   Published online September 30, 2014
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Comparison of Marker-assisted Selection and Conventional Breeding Methods for Selection of High Palatability Rice
Korean. J. Breed. Sci.. 2014;46(3):250-259.   Published online September 30, 2014
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Comparison of Marker-assisted Selection and Conventional Breeding Methods for Selection of High Palatability Rice
Image Image Image
Fig. 1. Scheme for the selection of high palatability line using marker-assisted selection and conventional selection methods in 4 cross combinations.
Fig. 2. PCR band patterns from a cross between Junamjosaeng//Unmi/Koshihikari using the primer set of M2CG.
Fig. 3. Dendrograms of 9 cross parental cultivars clustered by the similarity coefficients of 13 DNA markers. eq value: The value of the regression equation with a set of 13 DNA markers. Toyo taste value: The palatability value according to the Toyo taste meter.
Comparison of Marker-assisted Selection and Conventional Breeding Methods for Selection of High Palatability Rice

The number of F2 plants and F3 lines from each cross combination.

SR number Cross combination Numer of F2 plants Numer of F3 lines

SR33245 Gyeonggi1/Juan 600 94
SR33107 Junamjosaeng//Unmi/Koshihikari 600 70
SR33312 Suweon527/Haeoreumi 650 106
SR33344 Odae/Jogwang 570 105

Total 4 crosses 2,420 375

Toyo tasted value and polymorphic markers of parental varieties and eq value of F3 lines from 4 cross combinations.

SR no. Parental varieties Toyo taste value eq valuez
No. of polymorphic markery
Parents Mean ± SD of F3 lines (Range)

SR33245 Gyeonggi1 76.0 97 108 ± 13.6 (72~123) 3
Juan 73.6 118

SR33107 Junamjosaeng 61.6 104 112 ± 12.0 (90~132) 7
Unmi 62.8 101
Koshihikari 75.8 95

SR33312 Suweon527 73.9 97 112 ± 11.9 (94~125) 6
Haeoreumi 53.7 75

SR33344 Odae 69.3 123 94 ± 9.0 (64~124) 4
Jogwang 61.7 77

eq value: Palatability value were calculated by the regression equation based on marker genotypes

No. of polymorphic markers among 13 DNA markers for eq value

The selected number and Toyo taste value of F5 lines from each cross combination.

SR number Cross combination Number of F5 lines
Mean of Toyo taste value (Range)x
Total SCBz MASy SCB+MAS SCB MAS SCB+MAS

SR33245 Gyeonggi1/Juan 39 7 12 6 75b (72~78) 74b (70~78) 75c (70~78)
SR33107 Junamjosaeng//Unmi/Koshihikari 32 7 13 6 70b (62~77) 72b (62~78) 69b (62~75)
SR33312 Suweon527/Haeoreumi 36 9 14 6 73b (64~78) 74b (67~78) 75c (70~78)
SR33344 Odae/Jogwang 35 8 6 5 62a (54~65) 61a (54~66) 61a (54~65)

Total 4 crosses 142 31 45 23

SCB: Selection by conventional breeding

MAS: Marker assisted selection

Means followed by the same letter are not significant at the 5% significance level by the least significant difference test (LSD=0.05).

The selection size of F3 lines from 4cross combinations by MAS and conventional breeding methods.

SR No. No of lines No. of lines by selection (%)
SCBz MASy SCB+MAS
SR33245 94 39(41.5) 39(41.5) 19(20.2)
SR33107 70 32(45.7) 25(35.7) 18(25.7)
SR33312 106 36(33.9) 55(51.9) 26(24.5)
SR33344 105 35(33.3) 9(8.6) 8(7.6)
Total (Mean) 375 142(38.6) 128(34.4) 71(19.5)

SCB: Selection by conventional breeding

MAS: Marker assisted selection

Agronomic traits of the F5 lines selected by three kind of method in Suwon on 2013 year.

Parents and lines Flowering date (M/D) Culm length (cm) Panicle length (cm) Panicle number per plant

Gyeonggi1 8/4 80 22 10
Juan 8/14 75 24 10
SCBz 8/4 75 21 10
MASy 8/3 77 21 10
SCB+MAS 8/3 77 21 10

Junamjosaeong 8/4 75 22 11
Unmi 7/28 77 22 10
Koshihikari 8/9 86 19 12
SCB 8/3 74 20 11
MAS 8/2 80 21 11
SCB+MAS 8/2 76 21 11

Suweon527 8/6 80 20 9
Haeoreumi 8/11 79 22 9
SCB 8/5 76 21 9
MAS 8/4 77 21 10
SCB+MAS 8/5 76 20 10

Odae 7/31 75 22 10
Jogwang 8/1 72 19 10
SCB 7/31 70 22 9
MAS 7/30 70 22 10
SCB+MAS 7/30 69 22 9

SCB: Selection by conventional breeding

MAS: Marker assisted selection

DNA markers associated with Toyo taste value and eq value in the F5 lines from 4 cross combinations

Trait Linked DNA markers F-valuey R2 value (%)x Mean of band typew
Absent Present

Toyo taste value M11 81.6** 35.4 66.7 75
E30 12** 7.4 68.9 72.8
M2CG 119.2** 44.4 64.1 73.8
P5 5.1* 3.3 68.9 71.4
WK9 24.9** 14.3 68.5 73.9
A7 44** 22.8 61.4 71.7
S3c1 47.4** 24.1 74 67.2

eq valuez E30 128** 46.2 94.1 111.5
M2CG 7** 4.5 97.3 102.9
P5 17.1** 10.3 95.9 104.2
S3c1 15.7** 9.5 105.1 97.3
CBG 4.5* 2.9 74.7 101.2

eq value: Palatability value were calculated by the regression equation based on marker genotypes

Significant at 0.05 and 0.01 probability

R2 value: Percentage of the phenotypic variation explained by the DNA marker

The means of absent and present band type, respectively

Table 1. The number of F2 plants and F3 lines from each cross combination.
Table 2. Toyo tasted value and polymorphic markers of parental varieties and eq value of F3 lines from 4 cross combinations.

eq value: Palatability value were calculated by the regression equation based on marker genotypes

No. of polymorphic markers among 13 DNA markers for eq value

Table 4. The selected number and Toyo taste value of F5 lines from each cross combination.

SCB: Selection by conventional breeding

MAS: Marker assisted selection

Means followed by the same letter are not significant at the 5% significance level by the least significant difference test (LSD=0.05).

Table 3. The selection size of F3 lines from 4cross combinations by MAS and conventional breeding methods.

SCB: Selection by conventional breeding

MAS: Marker assisted selection

Table 5. Agronomic traits of the F5 lines selected by three kind of method in Suwon on 2013 year.

SCB: Selection by conventional breeding

MAS: Marker assisted selection

Table 6. DNA markers associated with Toyo taste value and eq value in the F5 lines from 4 cross combinations

eq value: Palatability value were calculated by the regression equation based on marker genotypes

Significant at 0.05 and 0.01 probability

R2 value: Percentage of the phenotypic variation explained by the DNA marker

The means of absent and present band type, respectively