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쌀 외관이 양호하고 도열병에 강한 극조생 벼 ‘백일미’

모영준, 정종민, 김우재, 김보경, 정지웅*

‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance

Korean Journal of Breeding Science 2019;51(2):151-159.
Published online: June 1, 2019

농촌진흥청 국립식량과학원

National Institute of Crop Science, Rural Development Administration, Wanju, Jeonbuk, 55365, Republic of Korea

*(E-mail: jrnj@korea.kr, Tel: +82-63-238-5231, Fax: +82-63-238-5205)
• Received: May 10, 2019   • Revised: May 17, 2019   • Accepted: May 21, 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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Citations

Citations to this article as recorded by  Crossref logo
  • Genetic architecture and predictive modeling of heading date in japonica rice cultivars
    Seung Young Lee, Hyun-Sook Lee, Ji-Ung Jeung, Youngjun Mo
    The Crop Journal.2026; 14(3): 885.     CrossRef
  • Evaluation of Molecular Markers Linked to Rice Blast Resistance Gene in Korean Rice Varieties
    Hyun-Sook Lee, Su-Kyung Ha, Chang-Min Lee, Hyun-Su Park, Ji-Ung Jeung
    Korean Journal of Breeding Science.2022; 54(4): 375.     CrossRef
  • Characterization of QTLs and Candidate Genes for Days to Heading in Rice Recombinant Inbred Lines
    Youngjun Mo, Jong-Min Jeong, Su-Kyung Ha, Jinhee Kim, Changmin Lee, Gung Pyo Lee, Ji-Ung Jeung
    Genes.2020; 11(9): 957.     CrossRef
  • Correction to: ‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance
    Youngjun Mo, Jong-Min Jeong, Woo-Jae Kim, Bo-Kyeong Kim, Ji-Ung Jeung
    Korean Journal of Breeding Science.2020; 52(3): 279.     CrossRef

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‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance
Korean. J. Breed. Sci.. 2019;51(2):151-159.   Published online June 1, 2019
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‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance
Korean. J. Breed. Sci.. 2019;51(2):151-159.   Published online June 1, 2019
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‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance
Image Image Image
Fig. 1 Pedigree diagram of ‘Baegilmi’.
Fig. 2 Genealogical diagram of ‘Baegilmi’.
Fig. 3 Representative phenotype of ‘Baegilmi’. A) Plants at maturity. B) Brown rice. C) Milled rice.
‘Baegilmi’, an Extremely Early Maturing Blast Resistant Rice with Good Grain Appearance

Summary of the heading date evaluated during three-year local adaptability trials (2012–2014).

Seasonz
(no.)
Regiony Trial site Heading date
(mm.dd)
A-B Seeding
(mm.dd)
Transplanting
(mm.dd)

Baegilmi (A) Checkx (B)
Ordinary planting (5) MDP Hwaseong 7.16 8.07hs -22 4.25 5.25
Yeoju 7.15 8.08hs -24 4.25 5.25
Cheongweon 7.09 8.02hs -24 4.25 5.25
Mean 7.13 8.06hs -23

MMP Cheolweon 7.14 7.24od -10 4.20 5.20
NEC Gangreung 7.20 7.28od -8 4.20 5.20

Grand Mean 7.14 8.06hs -23
7.26od -9

Early Planting (2) HNP Iksan 7.06 7.12jp -7 4.10 5.10
Naju 7.06 7.14jp -8 4.10 5.10

Grand Mean 7.06 7.13jp -8

Late Planting (2) MDP Suweon 8.15 8.25go -10 6.10 7.01
HNP Iksan 8.14 8.25go -12 6.15 7.10

Grand Mean 8.14 8.25go -11

zThe total numbers of trial sites for each culture season are indicated in parenthesis.

yRegions are middle plane (MDP), mid-north middle plain (MMP), north-east coastal (NEC), and Honam plane (HNP).

xCheck varieties for each trial site are indicated as superscripted abbreviation with the heading date; ‘Hwaseong’ (hs), ‘Odae’ (od), ‘Jopyeong’ (jp), and ‘Geumo’ (go).

Major agronomic traits and yield components of ‘Baegilmi’ along with the check variety, ‘Hwaseong’z.

Variety Heading date (mm.dd) Culm Length (cm) Panicle Length (cm) No. of Panicles
/hill
No. of Spikelets
/panicle
Ratio of ripenedgrain (%) 1,000-grain weight of brown rice (g)
Baegilmi 7.18** 75** 21ns 12* 80* 90.4ns 20.6**
Hwaseong 8.10 85 21 14 94 87.1 23.0

zThe overall means of three-year local adaptability trials (2012–2014) conducted in ‘Suweon’.

nsNot significant in the t-test.

*,**Significant at p<0.05 and p<0.01, respectively.

Resistance reactions to blast disease.

Variety Reaction to leaf blast at blast nursery testsz Area ratio of leaf lesion of Magnaporthe grisea during sequential plantings (%)y Reaction to neck blast (%)x



No. of tested sites (14) 1 2 3 4 5 Resistance (0~5) No of virulent isolates (30) Jecheon Iksan

R
(0~3)
M
(4~6)
S
(7~9)
Mean
Baegilmi 10 4 0 3.8 5 1 1 0 0 0 1 0.2 0.0
Hwaseong 1 8 5 5.7 90 35 15 70 55 5 17 13.8 11.6

zN fertilization of blast nursery tests conducted in 2012–2014: 240 kg/ha.

yDurability against co-infection of 30 M. grisea isolates during sequential plantings in 2014 (Kim et al. 2004).

xN fertilization of neck blast tests conducted in 2012–2014: 220 kg/ha.

R: resistant, M: moderately resistant, S: susceptible.

Reaction to bacterial blight, virus disease and insect pests evaluated in 2012–2014.

Variety Bacterial blight Viral diseases Resistance to insectsz



K1 K2 K3 K3a Stripe (%) Dwarf Black-streak dwarf BPH WBPH SBPH
Baegilmi S S S S S (86.9) S S S S S
Hwaseong S S S S R (22.1) S S S S S

zBPH: brown planthopper; WBPH: white-backed planthopper; SBPH: small brown planthopper

R: resistant, S: susceptible.

Response to physiological and abiotic stresses evaluated in 2012–2014.

Variety Premature Heading (%) Occurrence of wilting Leaf Senescence at maturing Cold tolerancez Viviparous germinationx (%)

Leaf discolorationy
(1~9)
Heading Delay (day) Grain fertility (%) Phenotypic Acceptability
(1~9)
Baegilmi 60.0 Tolerant Slow 1 10 67.9ns 4 17.6ns
Hwaseong 0.0 Tolerant Slow 1 9 58.8 5 17.6

zCold tolerance was evaluated using cold-water (17℃) irrigation nursery at Chuncheon substation, NICS.

yEvaluation at maximum tillering stage (1: tolerant; 9: susceptible).

xGermination rate under water saturated incubation (17℃) for 7 days on the panicle at 40 days after pollination.

nsNot significant in the t-test.

*.**Significant at p<0.05 and p<0.01, respectively.

Culm characteristics related to lodging evaluated in 2014z

Variety Culm Length (cm) Length of 3rd internode (cm) Breaking resistancey (g) Fresh weight of upper portion (g) Lodging Indexx
Baegilmi 69 14 943 11.4 111
Hwaseong 88 14 1,312 14.2 117

zEvaluated under ordinary transplanting nursery condition, and the evaluation methods was based on Kim et al. (2000).

yBreaking resistance of the middle point of the 3rd internode with leaf sheath.

xBending moment / Breaking resistance × 100.

Characteristics related to grain shape and quality evaluated in 2012–2014.

Variety Brown rice Trans- Lucency (1~9) White belly/core (0~9) Alkali digestive value (1~7) Protein content (%) Amylose content (%) Palatability of cooked rice (-3~+3)

Length (mm) Width (mm) L/W ratio
Baegilmi 5.06ns 2.64** 1.92* 1 1/0 6.4 8.4** 18.6ns -0.33
Hwaseong 5.03 2.81 1.81 1 0/0 6.5 6.7 19.6 0.18

nsNot significant in the t-test

*,**Significant at p<0.05 and p<0.01, respectively.

Characteristics related to milling quality evaluated in 2014.

Variety Milling recovery ratio (%) Head rice milling recovery ratio (%)

Brown/rough Milled/brown Milled/rough Head rice
Baegilmiz 80.6 90.0 72.8 80.0 58.3
Hwaseong 83.0 91.6 76.0 96.8 73.6
Baegilmiy 82.4 91.5 75.3 96.7 72.8

zOrdinary season planting in Suweon (Transplanting: May 23, Heading: Jul 16, Harvest: Sep 15)

yLate season planting in Suweon (Transplanting: Jul 12, Heading: Aug 22, Harvest: Oct 5)

nsNot significant in the t-test

*,**Significant at p<0.05 and p<0.01, respectively.

Summary of the yield potential evaluated during three-year local adaptability trials (2012–2014).

Seasonz (no.) Regiony Trial site Milled rice yield (MT/ha) Index
(A/B) 100

Baegilmi (A) Check varietyx (B)

2012 2013 2014 Mean 2012 2013 2014 Mean 2012 2013 2014 Mean
Ordinary planting (5) MDP Hwaseong 4.53 3.90 4.23 4.22 5.32 4.94 4.95 5.07hs 85 79 86 83

Yeoju 4.32 3.64 4.36 4.11 5.10 4.95 5.32 5.12hs 85 73 82 80

Cheongweon 4.64 4.09 4.13 4.28 5.02 5.01 5.06 5.03hs 92 82 82 85

Mean 4.50 3.88 4.24 4.20 5.15 4.97 5.11 5.07hs 87 78 83 83

MMP Cheolweon 5.05 4.49 5.50 5.01 5.23 4.58 5.80 5.21od 96 98 95 96

NEC Gangreung - 4.97 5.58 5.27 - 4.97 5.44 5.21od - 100 102 101

Grand Mean 4.63 4.22 4.76 4.53 5.15 4.97 5.11 5.07hs 87 78 83 83

5.23 4.78 5.62 5.21od 96 99 99 98

Early planting (2) HNP Iksan 4.46 4.10 - 4.28 4.95 5.05 - 5.00jp 90 81 - 86

Naju - 4.15 4.63 4.39 - 5.63 5.31 5.47jp - 74 87 80

Grand Mean 4.46 4.13 4.63 4.34 4.95 5.34 5.31 5.24jp 90 77 87 83

Late planting (2) MDP Suweon - 3.12 4.04 3.58 - 4.32 4.94 4.63go - 72 82 77

HNP Iksan - 3.35 4.92 4.24 - 4.82 5.15 4.99go - 74 95 85

Grand Mean - 3.34 4.48 3.91 - 4.57 5.05 4.81go - 73 89 81

zThe total numbers of trial sites for each culture season are indicated in parenthesis.

yRegions are middle plane (MDP), mid-north middle plain (MMP), north-east coastal (NEC), and Honam plane (HNP).

xCheck varieties for each trial site are indicated as superscripted abbreviation with the mean milled rice yield; ‘Hwaseong’ (hs), ‘Odae’ (od), ‘Jopyeong’ (jp), and ‘Geumo’ (go).

Table 1 Summary of the heading date evaluated during three-year local adaptability trials (2012–2014).

The total numbers of trial sites for each culture season are indicated in parenthesis.

Regions are middle plane (MDP), mid-north middle plain (MMP), north-east coastal (NEC), and Honam plane (HNP).

Check varieties for each trial site are indicated as superscripted abbreviation with the heading date; ‘Hwaseong’ (hs), ‘Odae’ (od), ‘Jopyeong’ (jp), and ‘Geumo’ (go).

Table 2 Major agronomic traits and yield components of ‘Baegilmi’ along with the check variety, ‘Hwaseong’z.

The overall means of three-year local adaptability trials (2012–2014) conducted in ‘Suweon’.

Not significant in the t-test.

Significant at p<0.05 and p<0.01, respectively.

Table 3 Resistance reactions to blast disease.

N fertilization of blast nursery tests conducted in 2012–2014: 240 kg/ha.

Durability against co-infection of 30 M. grisea isolates during sequential plantings in 2014 (Kim et al. 2004).

N fertilization of neck blast tests conducted in 2012–2014: 220 kg/ha.

R: resistant, M: moderately resistant, S: susceptible.

Table 4 Reaction to bacterial blight, virus disease and insect pests evaluated in 2012–2014.

BPH: brown planthopper; WBPH: white-backed planthopper; SBPH: small brown planthopper

R: resistant, S: susceptible.

Table 5 Response to physiological and abiotic stresses evaluated in 2012–2014.

Cold tolerance was evaluated using cold-water (17℃) irrigation nursery at Chuncheon substation, NICS.

Evaluation at maximum tillering stage (1: tolerant; 9: susceptible).

Germination rate under water saturated incubation (17℃) for 7 days on the panicle at 40 days after pollination.

Not significant in the t-test.

*.**Significant at p<0.05 and p<0.01, respectively.

Table 6 Culm characteristics related to lodging evaluated in 2014z

Evaluated under ordinary transplanting nursery condition, and the evaluation methods was based on Kim et al. (2000).

Breaking resistance of the middle point of the 3rd internode with leaf sheath.

Bending moment / Breaking resistance × 100.

Table 7 Characteristics related to grain shape and quality evaluated in 2012–2014.

Not significant in the t-test

Significant at p<0.05 and p<0.01, respectively.

Table 8 Characteristics related to milling quality evaluated in 2014.

Ordinary season planting in Suweon (Transplanting: May 23, Heading: Jul 16, Harvest: Sep 15)

Late season planting in Suweon (Transplanting: Jul 12, Heading: Aug 22, Harvest: Oct 5)

nsNot significant in the t-test

*,**Significant at p<0.05 and p<0.01, respectively.

Table 9 Summary of the yield potential evaluated during three-year local adaptability trials (2012–2014).

The total numbers of trial sites for each culture season are indicated in parenthesis.

Regions are middle plane (MDP), mid-north middle plain (MMP), north-east coastal (NEC), and Honam plane (HNP).

Check varieties for each trial site are indicated as superscripted abbreviation with the mean milled rice yield; ‘Hwaseong’ (hs), ‘Odae’ (od), ‘Jopyeong’ (jp), and ‘Geumo’ (go).