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현미밥 식감이 부드러운 중생종 벼 ‘보드라미’

김우재, 강경호, 정종민, 모영준, 김보경, 정지웅*

‘Bodrami’, Mid-Maturing Brown Rice Cultivar with High Grain Quality and Soft Texture Suitable for Cooking

Korean Journal of Breeding Science 2019;51(3):234-243.
Published online: September 1, 2019

농촌진흥청 국립식량과학원

National Institute of Crop Science, R.D.A., Wanju, Jeonbuk, 55365, Republic of Korea

*(E-mail: jrnj@korea.kr, Tel: +82-63-238-5231, Fax: +82-63-238-5205)
• Received: June 21, 2019   • Revised: July 5, 2019   • Accepted: July 9, 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
  • High Grain Quality Mid-late Maturing Rice Cultivar ‘Yechan’ with Lodging Tolerance and Multiple Disease Resistance
    Man-Kee Baek, Hyun-Su Park, Jeong-Kwon Nam, Young-Chan Cho, Ki-Young Kim, Jeong-Ju Kim, Woo-Jae Kim, Woon-Chul Shin, Ji-Ung Jeung, Choon-Song Kim, Jong-Min Jeong, Keon-Mi Lee, Seul-Gi Park, Chang-Min Lee, Jung-Pil Suh, Jeom-Ho Lee
    Korean Journal of Breeding Science.2019; 51(4): 504.     CrossRef

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‘Bodrami’, Mid-Maturing Brown Rice Cultivar with High Grain Quality and Soft Texture Suitable for Cooking
Korean. J. Breed. Sci.. 2019;51(3):234-243.   Published online September 1, 2019
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‘Bodrami’, Mid-Maturing Brown Rice Cultivar with High Grain Quality and Soft Texture Suitable for Cooking
Korean. J. Breed. Sci.. 2019;51(3):234-243.   Published online September 1, 2019
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‘Bodrami’, Mid-Maturing Brown Rice Cultivar with High Grain Quality and Soft Texture Suitable for Cooking
Image Image Image
Fig. 1 Genealogical diagram of ‘Bodrami’
Fig. 2 Pedigree diagram of ‘Bodrami’
Fig. 3 Representative phenotype of ‘Bodrami’ and parents. A) Plants at maturity. B) Brown rice.
‘Bodrami’, Mid-Maturing Brown Rice Cultivar with High Grain Quality and Soft Texture Suitable for Cooking

Major agronomic traits and yield components

Cultivar Heading date (mm.dd) Culm length (cm) Panicle length (cm) Panicle number per hill (ea) Number of grains per panicle (ea) Percent ripened grain (%) 1000-grain weight of brown rice (g)
Bodrami 8.11ns,z 83ns 22ns 15ns 106* 74.4ns 22.2ns
Hwaseong 8.09 85 22 14 93 77.1 22.0

zns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

Response to environmental and physiological stress

Cultivar Premature Heading (%) Appearance of Wilting Viviparous Germinatioz (%) Cold Temp. Germinationy (%) Cold tolerancew

Clum length Shortening rate (%) Heading Delay (days) Grain Fertility (%) PAv
Bodrami 0 Resistant 47.1*x 94* 10.1* 14* 48ns 6
Hwaseong 0 Resistant 17.1 50 17.1 11 54 6

zGermination rate at 7 days after incubation (25°C, 100% RH)

yGermination rate at 15 days after seeding (13°C, 100% RH)

xns and * indicate not significant and significant at p<0.05, respectively.

wCold tolerance was evaluated at a cold-water (17°C) irrigated nursery in Chuncheon substation, NICS

vPhenotypic acceptability

Lodging tolerance traits of ‘Bodrami’

Cultivar Plant heightz (cm) Length of 3rd internode (cm) Breaking weight of 3rd internode (g) Lodging index Field lodging (1-9)
Bodrami 105nsy 10 676 196 1
Hwaseong 107 12 623 179 1

zCulm length + Panicle length

yns indicate not significant at p<0.05.

Reaction to leaf and panicle blast

Cultivar Reaction to leaf blast at blast nursery (0-9) Reaction to neck blast


No. of tested sites (14) Rate of infected panicles (%)


Rz M S Mean Icheon Jecheon Iksan
Bodrami 10 4 0 3.8 0.8nsy 0.3ns 0.0ns
Hwaseong 0 12 2 5.8 4.9 8.7 11.0

zR: Resistant, M: Moderately resistant, S: Susceptible

yns indicate not significant at p<0.05.

Reaction of durable resistance to leaf blast

Cultivar Percentage of diseased leaf area based on sequential seeding (%) Durable resistance index (0~10) No. of virulence isolate (No. of inoculated isolate: 30)

1st 2nd 3rd 4th 5th 6th 7th
Bodrami 75 50 25 15 25 5 0.2 6 8
Hwaseong 85 75 75 45 55 45 45 7 19

Reaction to major disease and insect pest

Cultivar Bacterial blight Virus disease (%) Planthopper



K1 K2 K3 K3a RSVz RDV RBSDV BPHy SBPH
Bodrami Rx S S S R (6.7) S (83.4) S (79.0) S S
Hwaseong S S S S R (14.1) S (72.2) S (91.1) S S

zRSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus

yBPH: Brown planthopper, SBPH: Small brown planthopper

xR: Resistant, M: Moderately resistant, S: Susceptible

Grain quality and gelatinization enthalpy

Cultivar Translucency (1-9) White core/belly (0-9) Amylose content (%) Protein content (%) Gelatinization enthalpyy (J/g)
Bodrami 1 0/0 20.0nsz 7.0ns 4.9**
Hwaseong 1 2/0 20.6 6.9 6.1

zns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

yDSC (Differential Scanning Calorimeter)

Milling properties and grain shape

Cultivar Milling recovery ratio (%) HRMRR (%) Brown rice


BRz MB MR HR Length (mm) Width (mm) Thickness (mm) L/W ratio
Bodrami 80.6 90.0 72.5 83.8**y 61.6* 5.22** 2.76ns 1.83* 1.89ns
Hwaseong 83.2 89.9 74.8 73.8 55.2 4.98 2.79 1.99 1.79

zBR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio

yns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

Sensory evaluation on cooked brown rice

Cultivar Appearance Flavor Taste Stickiness Texture Overall
Bodrami 0.65 0.55 0.69 0.38 0.46 0.84
Hwaseong -0.26 0.31 0.08 -0.03 -0.12 -0.11
Samkwang 0.80 0.50 0.47 0.28 0.51 0.50
Hiami 0.59 0.34 0.40 0.35 0.37 0.50

Check cultivar : Chucheong, water content : 480 ml/300 g,

Yield summary during 3 years local adaptability trials (2010~2012)

Culture season Region Trial sites Brown Rice Yield (MT/ha) Index (A/B)×100

Bodrami (A) Hwaseong (B)



2010 2011 2012 Mean 2010 2011 2012 Mean 2010 2011 2012 Mean
Ordinary Planting Culture Middle Plain Suwon 4.42 6.37 5.09 5.29 4.87 5.25 5.36 5.16 91 121 95 103
Hwaseong 5.34 5.94 5.71 5.66 5.18 5.23 6.08 5.50 103 114 94 103
Chuncheon 5.80 5.72 6.28 5.93 6.05 5.50 5.97 5.84 96 104 105 102
Cheongwon 4.77 5.93 5.36 5.35 4.95 5.6 5.51 5.31 96 109 97 101
Mean 5.08 5.99 5.61 5.56 5.26 5.36 5.73 5.45 97 112 98 102

Honam Plain Yesan 5.43 6.33 5.04 5.60 5.22 6.41 5.80 5.81 104 99 87 96

Grand Mean 5.14 6.05 5.52 5.57 5.26 5.36 5.73 5.45 97 112 98 102
(5.22) (6.41) (5.80) (5.81)z 104 99 87 96

zCheck variety : (Nampyeong)

Physicochemical properties

Cultivar Hardness (Brown rice, g) Toyo value Protein content Amylose content
Bodrami 6,274bz 70a 6.9a 18.7b
Hwaseong 8,481a 63b 6.6b 18.2c
Samkwang 8,453a 68a 6.5b 18.2c
Consengla - - 5.9c 26.2a

zThe same letters indicate not significant at the 0.05 probability level by Duncan’s multiple rage test

Comparison of the hardness of cooked white and brown rice

Cultivar Hardness of rice (g/cm2)z

Cooked white content Cooked brown contenty


Warm cooked rice Warm stored (24 h) Warm cooked rice Warm stored (24 h)
Bodrami 1,608cx±97 1,751c±30 1,875b±99 1,919c±127
Hwaseong 2,032a±54 2,075a±52 2,277a±98 2,636a±242
Samkwang 1,793b±71 1,857b±23 2,184a±76 2,656a±136
Hiami 1,619c±28 1,820bc±43 1,963b±97 2,237b±108

ANOVA F=26***,w R2=0.91 F=38*** R2=0.94 F=12** R2=0.82 F=17*** R2=0.86

zTENSIPRESSER My Boy II system : compress 10 g of sample to 1 cm in 5 mm tray, 2.5 cm2 probe

yWater content=480 ml/300 g, seed coat cracks rate after cooked: Bodrami (24%), Hwaseong (30%), Samkwang (22%), Hiami (25%)

xThe same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test

wns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively

Comparison of the hardness of cooked brown rice by water content

Cultivar Hardness of cooked brown rice (g/cm2)z

1.6 X water contenty 1.4 X water contentx


Warm cooked rice Warm stored (24 h) Warm cooked rice Warm stored (24 h)
Bodrami 1,916**w±82 2,297**±103 2,196**±13 2,509**±71
Baegjinju 1,399±106 1,397±139 1,741±116 1,926±45
ANOVA F=45*** R2=0.92 F=81*** R2=0.95 F=46*** R2=0.92 F=140*** R2=0.97

zTENSIPRESSER My Boy II system : compress 10 g of sample to 1 cm in 5 mm tray, 2.5 cm2 probe

yWater content=480 ml/300 g, seed coat cracks rate after cooked: Bodrami (23%), Baegjinju (91%)

xWater content=420 ml/300 g, seed coat cracks rate after cooked: Bodrami (15%), Hwaseong (52%)

wns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively

Gelatinization properties of rice flour

Cultivar Peak viscosity (RVU) Hold viscosity (RVU) Final Viscosity (RVU) Breakdown (RVU) Setback (RVU)
Bodrami 228.0c z 147.9a 234.6c 80.2c 6.6b
Hwaseong 242.8b 128.8b 223.2d 114.0a -19.6d
Samkwang 255.8a 151.6a 242.0b 104.2b -13.8c
Consengla 229.9c 144.9a 289.2a 85.0c 59.4a

zThe same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test

Increase of water absorption rate (%) by steeping conditions

Steeping
condition
Cultivar Steeping time

10 min 15 min 20 min 25 min 30 min 16 hour
Milled rice
(25°)
Bodrami 12.9az 19.0a 21.1b 22.9b 22.8c 25.3b
Hwaseong 12.0a 17.7a 21.7b 25.9a 27.9b 30.3a
Samkwang 12.3a 18.6a 23.6a 26.6a 29.1a 31.9a

Brown rice
(25°)
Bodrami 2.7a 3.6a 3.9a 4.2a 5.3a 25.3b
Hwaseong 2.5a 3.0a 3.5a 2.8a 4.8a 29.3a
Samkwang 2.5a 3.8a 4.0a 4.2a 5.2a 29.5a

Brown rice
(57°)
10 min 20 min 30 min 40 min 50 min 60 min

Bodrami 8.5b 12.5c 15.3c 18.3c 19.9bc 21.0c
Hwaseong 9.7a 13.7b 17.3b 19.7b 20.6b 22.3b
Samkwang 10.3a 14.5a 18.3a 21.2a 23.1a 24.6a
Hiami - - - 17.3c 19.4c 21.0c

zThe same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test

Table 1 Major agronomic traits and yield components

zns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

Table 2 Response to environmental and physiological stress

Germination rate at 7 days after incubation (25°C, 100% RH)

Germination rate at 15 days after seeding (13°C, 100% RH)

ns and * indicate not significant and significant at p<0.05, respectively.

Cold tolerance was evaluated at a cold-water (17°C) irrigated nursery in Chuncheon substation, NICS

Phenotypic acceptability

Table 3 Lodging tolerance traits of ‘Bodrami’

Culm length + Panicle length

yns indicate not significant at p<0.05.

Table 4 Reaction to leaf and panicle blast

R: Resistant, M: Moderately resistant, S: Susceptible

yns indicate not significant at p<0.05.

Table 5 Reaction of durable resistance to leaf blast
Table 6 Reaction to major disease and insect pest

RSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus

BPH: Brown planthopper, SBPH: Small brown planthopper

R: Resistant, M: Moderately resistant, S: Susceptible

Table 7 Grain quality and gelatinization enthalpy

zns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

DSC (Differential Scanning Calorimeter)

Table 8 Milling properties and grain shape

BR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio

yns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively.

Table 9 Sensory evaluation on cooked brown rice

Check cultivar : Chucheong, water content : 480 ml/300 g,

Table 10 Yield summary during 3 years local adaptability trials (2010~2012)

Check variety : (Nampyeong)

Table 11 Physicochemical properties

zThe same letters indicate not significant at the 0.05 probability level by Duncan’s multiple rage test

Table 12 Comparison of the hardness of cooked white and brown rice

TENSIPRESSER My Boy II system : compress 10 g of sample to 1 cm in 5 mm tray, 2.5 cm2 probe

Water content=480 ml/300 g, seed coat cracks rate after cooked: Bodrami (24%), Hwaseong (30%), Samkwang (22%), Hiami (25%)

xThe same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test

wns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively

Table 13 Comparison of the hardness of cooked brown rice by water content

TENSIPRESSER My Boy II system : compress 10 g of sample to 1 cm in 5 mm tray, 2.5 cm2 probe

Water content=480 ml/300 g, seed coat cracks rate after cooked: Bodrami (23%), Baegjinju (91%)

Water content=420 ml/300 g, seed coat cracks rate after cooked: Bodrami (15%), Hwaseong (52%)

wns, *, and ** indicate not significant, significant at p<0.05, and p<0.01, respectively

Table 14 Gelatinization properties of rice flour

zThe same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test

Table 15 Increase of water absorption rate (%) by steeping conditions

The same letters indicate not significant at 0.05 probability level by Duncan’s multiple rage test