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New Cultivar Developed

진한 녹색자엽을 가진 극대립 검정콩 ‘새바람’

이지윤1,*, 손창기1, 배정숙1, 조현태1, 최홍집1, 이정동2, 조현2

Black Soybean Cultivar “Saebaram” with Dark Green Cotyledons and a Large Seed Size

Korean Journal of Breeding Science 2022;54(4):453-460.
Published online: December 1, 2022

1경상북도농업기술원

2경북대학교 응용생명과학과

1Gyeongsangbuk-do Agricultural Research and Extension Services, Daegu, 41404, Republic of Korea

2Department of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea

*Corresponding Author: (E-mail: dock0409@korea.kr, Tel: +82-54-373-5486, Fax: +82-54-373-5487)
• Received: October 26, 2022   • Revised: November 11, 2022   • Accepted: November 11, 2022

Copyright © 2022 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

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  • Black Soybean Cultivar ‘Jayang’ with Green Cotyledon and Low Stachyose Content, Free of Lipoxygenase, Kunitz Trypsin Inhibitor, and Lectin Proteins
    Sarath Ly, Byeong Eon Park, Jae Gyeong Cho, Ju Hyeong Kim, Jong Il Chung
    Journal of Agriculture & Life Science.2026; 60(2): 23.     CrossRef
  • Bacterial Pustule Disease in Soybean: Occurrence, Host–Pathogen Interactions and Management
    Su‐Yan Wang, Yong‐Hui Jiang, Zi‐Yao Huo, Shi‐Ling Zhang, Xin‐Chi Shi, Daniela D. Herrera‐Balandrano, Guo‐Liang Qian, Sang‐Wook Han, Wei Guo, Gong‐You Chen, Feng‐Quan Liu, Pedro Laborda
    Plant Pathology.2025; 74(7): 1941.     CrossRef

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Black Soybean Cultivar “Saebaram” with Dark Green Cotyledons and a Large Seed Size
Korean. J. Breed. Sci.. 2022;54(4):453-460.   Published online December 1, 2022
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Black Soybean Cultivar “Saebaram” with Dark Green Cotyledons and a Large Seed Size
Korean. J. Breed. Sci.. 2022;54(4):453-460.   Published online December 1, 2022
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Black Soybean Cultivar “Saebaram” with Dark Green Cotyledons and a Large Seed Size
Image Image Image
Fig. 1 Genealogy of ‘Saebaram’.
Fig. 2 Pedigree diagram of ‘Saebaram’.
Fig. 3 Pictures of ‘Saebaram’: Comparison of seed appearance and cotyledon color (A), pod size (B), and first pod height (C) between ‘Saebaram’ and ‘Chungja 3’.
Black Soybean Cultivar “Saebaram” with Dark Green Cotyledons and a Large Seed Size

Morphological characteristics of ‘Saebaram’.

Cultivar Leaflet shape Flower color Pubescence color Pod color Seed coat color Hilum color Cotyledon color Seed shape
Saebaram Pointed ovate Purple Grey Light brown Black Black Deep green Spherical flattened
Chungja 3 Pointed ovate Purple Brown Brown Black Black Light green Spherical flattened

Quantitative characteristic of ‘Saebaram’ in seven locationsz over three years (2017-2019).

Cultivar Flowering (Month, Day) Maturity (Month. Day) Plant height (cm) No. of nodes No. of branches First pod height (cm) 100-seed weight (g)
Saebaram 8.5 10.27 75.5ay 14.4a 3.6a 16.2a 42.8a
Chungja 3 8.1 10.21 68.0b 14.8a 3.6a 14.0b 36.2b

Resistance to diseases, lodging and pod shattering of ‘Saebaram’ in Dalsung over three years (2017-2019).

Cultivar Bacterial pustule Soybean mosaic virus Root rotv (%) Lodging at field Shatterings
Regionalz test (0-9) Fieldy test (0-9) Inoculationx (0-9) Regionalz Test (0-9) Fieldy test (0-9) Inoculationw (G6H) Regionalu Test (1-9) Normalt culture(x1) (1-9) Denset culture(x2) (1-9) Fieldt test (1-9) 24 h (%) 48 h (%) 72 h (%)
Saebaram 1 0 2 0 1 - / M 0 2 1 4 5 99 100 100
Chungja 3 1 0 3 0 4 - / M 0 2 2 3 5 98 99 99

Seed composition characteristics of ‘Saebaram’ over three years (2017-2019).

Cultivar Crude protein (%) Crude fat (%) Anthocyaninz (μg/g) Fatty acid (%)
Palmitic acid C16:0 Stearic acid C18:0 Oleic acid C18:1 Linoleic acid C18:2 α-Linolenic acid C18:3 Saturated fatty acid Unsaturated fatty acid
Saebaram 42.4ay 17.3a 7,527b 10.4a 3.2a 23.5a 54.2a 8.5b 13.7a 86.3a
Chungja 3 41.7a 16.7a 21,562a 9.8b 3.2a 19.7a 56.8a 10.3a 13.1a 86.9a

Functional compounds and color of cotyledon of ‘Saebaram’ in 2017.

Cultivar Lutein (μg/g)z Chlorophyll (μg/g)y Color valuex
Chlorophyll a Chlorophyll b L* a* b*
Saebaram 48.2aw 63.5a 10.6b 90.0 -20.7 53.2
Chungja 3 40.4b 14.7b 15.4a 91.7 -10.3 34.1

Preliminary and advanced yield trials of ‘Saebaram’ in daegu over two years (2015-2016).

Cultivar PYT (’15)z AYT (’16)y
Yield
(kg/10a)
Index (%)x Yield (kg/10a ± SD)x Index (%)w
Saebaram 427 136 389±24av 168
Chungja 3 314 100 231±51b 100

Regional yield trials of ‘Saebaram’ in seven locations over three years (2017-2019).

Cropping system Location Saebaram (kg/10a ± SD z) Chungja 3 (kg/10a ± SD)
2017 2018 2019 Mean Index (%)y 2017 2018 2019 Mean
Single cropping Suwon 279±44 282±39 252±21 271 92 300±29 298±19 285±25 294
Yeoncheon 167±10 288±37 260±32 238 105 157±18 292±29 233±16 227
Chuncheon 260±13 236±7 317±16 271 111 232±19 230±35 274±18 245
Mean 235 269 276 260ax 102 229 273 264 256a
Double cropping Dalseong 426±143 257±43 250±22 311 129 332±40 198±79 195±20 242
Yesan 258±44 235±8 138±7 210 97 247±35 221±24 181±5 216
Naju 438±23 404±32 250±32 364 104 440±27 334±13 272±21 349
Daegu 403±17 296±3 332±2 344 138 306±33 218±20 227±29 250
Mean 381 298 244 307a 116 331 243 219 264b
Total means 319 285 257 287a 110 288 256 238 261b
Table 1 Morphological characteristics of ‘Saebaram’.
Table 2 Quantitative characteristic of ‘Saebaram’ in seven locationsz over three years (2017-2019).

ya, b: same letters were not significantly different between two cultivars ‘Saebaram’ and ‘Chungja 3’ by duncan’s multiple range test at p<0.05

ZSeven locations: Suwon, Yeoncheon, Chuncheon, Dalseong, Yesan, Naju, Daegu

Table 3 Resistance to diseases, lodging and pod shattering of ‘Saebaram’ in Dalsung over three years (2017-2019).

yField test in Dalseong, (0-9): (0) Tolerant ~ (9) Susceptible

xInoculation of bacterial pustule in Dalseong: spray inoculation and wet treatment at second normal leaf period, (0-9): (0) Tolerant ~ (9) Susceptible

wInoculation of soybean mosaic virus: reaction of inoculated leaf/upper leaves, (-) No symptom, (L) Local reaction, (M) Mosaic

vRoot rot: the ratio of naturally infected plant in the field.

uRegional test in seven locations (Suwon, Yeoncheon, Chuncheon, Dalseong, Yesan, Naju, Daegu), (1-9): (1) Tolerant ~ (9) Susceptible

tNormal culture(x1) & Dense culture(x2) & Field test in Dalseong, (1-9): (1) Tolerant ~ (9) Susceptible

sShttering: the ratio of shattered pod by dry oven test at 40°C for 48 hrzRegional test in seven locations (Suwon, Yeoncheon, Chuncheon, Dalseong, Yesan, Naju, Daegu), (0-9): (0) Tolerant ~ (9) Susceptible

Table 4 Seed composition characteristics of ‘Saebaram’ over three years (2017-2019).

zAnthocyanin: in seed coats

ya, b: same letters were not significantly different between two cultivars ‘Saebaram’ and ‘Chungja 3’ by least significant difference (LSD) at p<0.05

Table 5 Functional compounds and color of cotyledon of ‘Saebaram’ in 2017.

zLutein ~ yChlorophyll: in cotyledon removed seed coats

xColor value (CIE-L*a*b* system): L* [Lightness (0~100)], a* [redness (-) Green ~ (+) Red], b* [yellowness (-) Blue ~ (+) Yellow]

wa, b: same letters were not significantly different between two cultivars ‘Saebaram’ and ‘Chungja 3’ by least significant difference (LSD) at p<0.05

Table 6 Preliminary and advanced yield trials of ‘Saebaram’ in daegu over two years (2015-2016).

zPYT: preliminary yield trial, one replication

yAYT: advanced yield trial, randomized block design with three replications

xSD: standard deviation

wIndex: (yield of ‘Saebaram’ / yield of Chungja 3)×100

va, b: same letters were not significantly different between two cultivars ‘Saebaram’ and ‘Chungja 3’ by least significant difference (LSD) at p<0.05

Table 7 Regional yield trials of ‘Saebaram’ in seven locations over three years (2017-2019).

zSD: standard deviation

yIndex: (yield of ‘Saebaram’ / yield of Chungja 3)×100

xa, b: same letters were not significantly different between two cultivars ‘Saebaram’ and ‘Chungja 3’ by duncan’s multiple range test at p<0.05