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New Cultivar Developed

식용 고구마 품종 ‘소담미’

이형운1,*, 정미남1, 고산1, 남상식1, 김재명1, 유경단1, 한선경2, 양정욱2, 노재환2, 이임빈1, 문진영3, 강영식4, 조수현5, 이재웅6, 최규환7

‘Sodammi’, a Sweetpotato Variety for Table Use

Korean Journal of Breeding Science 2023;55(1):54-62.
Published online: March 1, 2023

1농촌진흥청 국립식량과학원 바이오에너지작물연구소

2농촌진흥청 국립식량과학원

3경상남도농업기술원

4충청남도농업기술원

5강원도농업기술원

6충청북도농업기술원

7전라북도농업기술원

1Bioenergy Crop Research Institute, NICS, RDA, Muan 58545, Republic of Korea

2National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea

3Gyeongsangnam-do Agricultural Research & Extension Services, Jinju 52733, Republic of Korea

4Chungcheongnam-do Agricultural Research & Extension Services, Yesan 32418, Republic of Korea

5Gangwon-do Agricultural Research & Extensions Services, Chuncheon 24203, Republic of Korea

6Chungcheongbuk-do Agricultural Research & Extension Services, Cheongju 28130, Republic of Korea

7Jeollabuk-do Agricultural Research & Extension Services, Iksan 54591, Republic of Korea

*Corresponding Author (E-mail: leehu79@korea.kr, Tel: +82-61-450-0141, Fax: +82-61-453-0085)
• Received: November 11, 2022   • Revised: November 11, 2022   • Accepted: December 6, 2022

Copyright © 2023 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
  • Investigation of Histological Characteristics and Evaluation of Physiological Traits Damage by Low Temperature Under Different Transplanting Periods During Early Growth Period in Sweet Potato (Ipomoea batatas (L.) Lam)
    Sejin Oh, Seong-Wook Kang, Yumi Lee, Jaeyoung Ock, Gitak Ryu, Seul Lee, Jin-Young Kim, Jinyoung Moon, Jongtae Lee, Tae-Young Hwang, Seong-Woo Cho
    Agronomy.2025; 15(8): 1963.     CrossRef
  • Climate-responsive optimization of transplanting and harvest schedules for ‘Sodammi’ sweet potato (Ipomoea batatas L.)
    Eun-Seong Baek, Eun-Bin Hwang, Dong-Geon Nam, Hyeon-Seong Yoo, Sang-Cheol Gwak, Heon-Sang Jeong, Se-Jin Oh, Seong-Woo Cho, Ju-Kyung Yu, Tae-Young Hwang
    Journal of Crop Science and Biotechnology.2025; 28(5): 625.     CrossRef

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‘Sodammi’, a Sweetpotato Variety for Table Use
Korean. J. Breed. Sci.. 2023;55(1):54-62.   Published online March 1, 2023
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‘Sodammi’, a Sweetpotato Variety for Table Use
Image Image Image
Fig. 1 Genealogical diagram of ‘Sodammi’.
Fig. 2 Pedigree diagram of ‘Sodammi’.
Fig. 3 Raw storage roots of ‘Sodammi’ (left) and ‘Jinhongmi’ (right).
‘Sodammi’, a Sweetpotato Variety for Table Use

Mature vine characteristics of ‘Sodammi’ on field at harvesting stage.

Variety Leaf shape No. of leaf blade lobes Leaf color Extent of anthocyanin coloration on abaxial veins Anthocyanin coloration
Tip Internode Node Petiole
Sodammi Cordate Absent Green Absent Medium Absent Absent Absent
Jinhongmi Cordate Absent Green Medium Absent Absent Absent Absent

Storage root characteristics of ‘Sodammi’.

Variety Skin color Flesh colorz General shape Length/width ratio Depth of eyes
Sodammi Purple red Medium yellow+yellow Ovate 3.1±0.2ns y Shallow
Jinhongmi Red Light yellow+white Ovate 3.3±0.2x Medium

Agronomic characteristics and yield components of ‘Sodammi’ on regional yield trial in normal season culture.

Variety Sprout appearance (DAP)z Date of sprouting (DAP) Vine length (cm) Vine weight (MT/ha) Avg. weight of marketable storage root (g) No. of marketable storage root per plant
Sodammi 15.3±0.6* y 20.6±0.9** 215.9±17.8ns 44.2±6.8ns 135.8±22.0ns 2.6±0.2ns
Jinhongmi 13.0±0.6x 15.5±0.7 254.9±23.6 44.8±6.7 156.9±18.8 2.7±0.2

Resistance reaction to Fusarium oxysporum f. sp. batatas (Fusarium wilt) and Meloidogyne incognita (root-knot nematode) of ‘Sodammi’.

Variety Fusarium wilt Root-knot nematode
Disease index (DI, 0~5) Resistance reactionz No. of egg mass per plant Resistance reactiony
Sodammi 1.1 MR 28.3 MR
Jinhongmi 0.5 R 126.3 S
Juhwangmi -x - 0.5 R (Resistant check)
Yulmi - - 139.5 S (Susceptible check)
Singeonmi 0.1 R (Resistant check) 185.7 S
Borami 4.3 S (Susceptible check) 11.0 R

Storability of ‘Sodammi’.

Variety Decay rate (%) Pithiness rate (%)
Sodammi 0 0
Jinhongmi 6.0 0

Quality characteristics of raw storage root of ‘Sodammi’.

Variety Dry matter content (%) Sugar contents (g/100 g DW) Sweetnessz ß-carotene (㎍/100 g DW)
Fructose Glucose Sucrose Maltose Total
Sodammi 31.2±0.22* y
(95)x
0.9±0.03**
(171)
0.9±0.04**
(167)
8.1±0.33**
(121)
0.2±0.08ns
(107)
10.1±0.41**
(127)
9.9±0.37**
(127)
109.3±1.22**
(19)
Jinhongmi 32.9±0.47w
(100)
0.5±0.03
(100)
0.5±0.03
(100)
6.7±0.35
(100)
0.2±0.08
(100)
8.0±0.38
(100)
7.8±0.33
(100)
567.0±14.54
(100)

Quality characteristics of steamed storage root of ‘Sodammi’.

Variety Hardness (g) Texture °Brix Sugar contents (g/100 g DW) Sweetnessz Palatability (-3~3)
Fructose Glucose Sucrose Maltose Total
Sodammi 1,078±24.95** y
(67)x
Slightly moist 29.0±0.18ns
(103)
1.3±0.15**
(165)
1.4±0.18**
(188)
8.1±0.47**
(138)
25.8±2.77ns
(107)
36.5±3.0ns
(116)
19.1±1.14*
(125)
1.7±0.25*
Jinhongmi 1,614±128.07w
(100)
Slightly dry 28.2±0.65
(100)
0.8±0.07
(100)
0.7±0.05
(100)
5.9±0.18
(100)
24.2±2.71
(100)
31.5±2.7
(100)
15.3±0.85
(100)
0

Marketable storage root yield (MT/ha) of ‘Sodammi’ on preliminary and advanced yield trials.

Variety Marketable storage root yield (MT/ha)
2017 2018 Mean Indexz
Sodammi 27.8 16.3 22.0ns y 75
Jinhongmi 33.2 25.2 29.2 100

Marketable storage root yield (MT/ha) of ‘Sodammi’ on regional yield trial in normal season culture at six regions.

Region Sodammi (MT/ha) Indexz Jinhongmi (MT/ha)
2019 2020 Mean 2019 2020 Mean
Muan 16.1 18.9 17.5 75 20.2 26.2 23.2
Gangreung 19.4 16.8 18.1 63 27.9 29.0 28.5
Cheongju 14.1 13.7 13.9 70 16.0 23.6 19.8
Yesan 23.8 12.0 17.9 87 23.4 17.5 20.5
Iksan 32.9 23.8 28.4 107 26.8 26.2 26.5
Jinju 24.7 19.7 22.2 105 15.5 26.9 21.2
Mean 21.8 17.5 19.6ns 84 21.7 24.9 23.3
Table 1 Mature vine characteristics of ‘Sodammi’ on field at harvesting stage.
Table 2 Storage root characteristics of ‘Sodammi’.

zmain flesh color+secondary flesh color.

yns indicates no significant difference at p<0.05 in the independent two-sample t-test.

xMean±SE (n=12).

Table 3 Agronomic characteristics and yield components of ‘Sodammi’ on regional yield trial in normal season culture.

zDAP: Days after planting.

yns indicates no significant difference at p<0.05, while * and ** significant at respectively p<0.05 and p<0.01.

xMean±SE.

Table 4 Resistance reaction to Fusarium oxysporum f. sp. batatas (Fusarium wilt) and Meloidogyne incognita (root-knot nematode) of ‘Sodammi’.

zR (Resistance, DI=0~1.0), MR (Moderate resistance, DI=1.1~2.5), S (Susceptibility, DI=2.6~5.0).

yResistance was determined by number of egg masses per plant. R: ≤10% of a susceptible cultivar (Yulmi), MR: 11~25%, S: >25%.

xnot investigated.

Table 5 Storability of ‘Sodammi’.
Table 6 Quality characteristics of raw storage root of ‘Sodammi’.

zFructose×1.17+Glucose×0.74+Sucrose×1.00+Maltose×0.33.

yns indicates no significant difference at p<0.05, while * and ** significant at respectively p<0.05 and p<0.01 in the independent two-sample t-test.

x(‘Sodammi’ / ‘Jinhongmi’)×100.

wMean±SE.

Table 7 Quality characteristics of steamed storage root of ‘Sodammi’.

zFructose×1.17+Glucose×0.74+Sucrose×1.00+Maltose×0.33.

yns indicates no significant difference at p<0.05, while * and ** significant at respectively p<0.05 and p<0.01 in the independent two-sample t-test.

x(‘Sodammi’ / ‘Jinhongmi’)×100.

wMean±SE.

Table 8 Marketable storage root yield (MT/ha) of ‘Sodammi’ on preliminary and advanced yield trials.

z(Yield of ‘Sodammi’ / yield of ‘Jinhongmi’)×100.

yns indicates no significant difference at p<0.05 in the independent two-sample t-test.

Table 9 Marketable storage root yield (MT/ha) of ‘Sodammi’ on regional yield trial in normal season culture at six regions.

z(Yield of ‘Sodammi’ / yield of ‘Jinhongmi’)×100.

yns indicates no significant difference at p<0.05 in marketable storage root yield from 2019 to 2020 between ‘Sodammi’ and ‘Jinhongmi’ in the independent two-sample t-test.