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식용 고구마 신품종 ‘다호미’

A New Sweetpotato Variety ‘Dahomi’ for Table Use

Korean Journal of Breeding Science 2015;47(3):324-329.
Published online: August 31, 2015

1 농촌진흥청 국립식량과학원 바이오에너지작물연구소

1 Bioenergy Crop Research Institute, National Institute of Crop Science, RDA, Muan 534-833, Korea

2 농촌진흥청 국립식량과학원

2 National Institute of Crop Science, RDA, Wanju 565-851, Korea

3 농촌진흥청

3 Rural Development Administration, Jeonju 560-500, Korea

4 식품의약품안전평가원

4 National Institute of Food and Drug Safety Evaluation, Cheongju 361-951, Korea

5 농촌진흥청 국립식량과학원 중부작물부

5 Department of Middle Area Crop Science, National Institute of Crop Science, RDA, Suwon 441-707, Korea

*Corresponding author (leehu79@korea.kr, Tel: +82-61-450-0141, Fax: +82-61-453-0085)
• Received: July 24, 2015   • Revised: August 30, 2015   • Accepted: August 31, 2015

© Korean Society of Breeding Science All rights reserved

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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A New Sweetpotato Variety ‘Dahomi’ for Table Use
Korean. J. Breed. Sci.. 2015;47(3):324-329.   Published online September 30, 2015
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Korean. J. Breed. Sci.. 2015;47(3):324-329.   Published online September 30, 2015
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A New Sweetpotato Variety ‘Dahomi’ for Table Use
Image Image Image
Fig. 1. Genealogical diagram of ‘Dahomi’.
Fig. 2. Pedigree diagram of ‘Dahomi’.
Fig. 3. Storage roots and frying chips of ‘Dahomi’ (Left: storage roots, right: frying chips).
A New Sweetpotato Variety ‘Dahomi’ for Table Use

Sprout characteristics of ‘Dahomi’ at nursery bed.

Variety Sprout appearance (DAP)z No. of sprout Stem tip color No. of leaf blade lobes (leaf shape) Depth of leaf blade lobe Leaf color Stem color

Dahomi 19 Medium Green 3 or 5 Moderate Green Green
Yulmi 20 Medium Green Absent (Cordate) - Green Green

zDAP: Days after planting

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

Variety Vine Length (cm) Vine weight (MT/ha) Stem color Anthocyani n coloration of node No. of leaf blade lobes (leaf shape) Depth of leaf blade lobe Leaf color Extent of anthocyanin coloration on abaxial veins Stem tip color Petiole color

Dahomi 246 27.2 Green Weak 3 or 5 Moderate Green Large Green Green
Yulmi 215 34.3 Green Absent Absent (Cordate) - Green Small Green Green

Storage root characteristics of ‘Dahomi’.

Variety General shape Skin color Flesh color Root defect

Dahomi Elliptic Red Light orange None
Yulmi Elliptic Light red Light yellow None

Chroma value of strorage root of ‘Dahomi’.

Variety Chroma valuez

Skin Flesh


L a b L a b

Dahomi 39.6 18.9 7.9 76.0 20.2 34.3
Yulmi 47.2 16.8 11.1 86.3 0.8 29.0

zL, Lightness: black=0, white=100; a, redness to greenness: green=-80, red=+80; b, yellowness to blueness: blue=-80, yellowness=+80

Resistant index to fusarium wilt, root-knot nematode (Meloidogyne incognita), and storability of storage root of ‘Dahomi’.

Variety Root-knot nematode (0~9)z Fusarium wilt (0~9) Black rot (0~9) Soft rot (0~9)

Dahomi 9 3 3 3
Yulmi 9 7 3 3

z0: very resistant, 9: very susceptible

Quality of storage root of ‘Dahomi’.

Variety Palatability of steamed storage root (0-9) Texture of steamed storage root Starch value (%) Brix° of steamed storage root Total sugar contents (g/100g D.W.) Frying chip processing adaptability

Raw Steaming

Dahomi 6.7 Intermediate 20.9 24.8 9.7 32.0 Good
Yulmi 5.0 Dry 24.2 28.7 8.4 30.8 Medium

RVA properties of starch of ‘Dahomi’.

Variety Peak viscosity (RVU) Trough viscosity (RVU) Breakdown (RVU) Final viscosity (RVU) Setback (RVU) Pasting Temp. (°C)

Dahomi 301.3 139.2 162.2 207.6 68.4 75.7
Yulmi 307.8 115.8 192.0 183.9 68.1 76.4

Storage root yield (MT/ha) over 50 g of ‘Dahomi’ on preliminary and advanced yield trials

Variety Storage root yield (MT/ha)

Preliminary yield trial Indexz Advanced yield trial Index

Dahomi 34.8 234 20.8 130
Yulmi 14.9 100 16.0 100

zIndex: (yield of ‘Dahomi’ / yield of ‘Yulmi’) × 100

Average number of storage root per plant, and average weight of storage root of ‘Dahomi’ on regional yield trial.

Variety Cultivation season Average no. of storage root per plant Average weight of storage root (g)

2011 2012 Mean 2011 2012 Mean

Dahomi Early 3.5 3.7 3.6 129 89 109
Optimum and late 2.4 3.2 2.8 131 144 138

Yulmi Early 1.8 2.2 2.0 135 129 132
Optimum and late 1.7 2.1 1.9 140 149 145

Storage root yield (MT/ha) over 50 g of ‘Dahomi’ on regional yield trial.

Variety Cultivation season Storage root yield (MT/ha)

2011 2012 Mean Indexz

Dahomi Early 30.5 22.0 26.3 152
Optimum and late 19.3 24.5 21.9 135

Yulmi Early 16.3 18.2 17.3 100
Optimum and late 16.3 16.2 16.3 100

zIndex: (yield of ‘Dahomi’ / yield of ‘Yulmi’) × 100

Table 1. Sprout characteristics of ‘Dahomi’ at nursery bed.

DAP: Days after planting

Table 2. Mature vine characteristics of ‘Dahomi’ on field at harvesting stage.
Table 3. Storage root characteristics of ‘Dahomi’.
Table 7. Chroma value of strorage root of ‘Dahomi’.

L, Lightness: black=0, white=100; a, redness to greenness: green=-80, red=+80; b, yellowness to blueness: blue=-80, yellowness=+80

Table 4. Resistant index to fusarium wilt, root-knot nematode (Meloidogyne incognita), and storability of storage root of ‘Dahomi’.

0: very resistant, 9: very susceptible

Table 5. Quality of storage root of ‘Dahomi’.
Table 6. RVA properties of starch of ‘Dahomi’.
Table 8. Storage root yield (MT/ha) over 50 g of ‘Dahomi’ on preliminary and advanced yield trials

Index: (yield of ‘Dahomi’ / yield of ‘Yulmi’) × 100

Table 9. Average number of storage root per plant, and average weight of storage root of ‘Dahomi’ on regional yield trial.
Table 10. Storage root yield (MT/ha) over 50 g of ‘Dahomi’ on regional yield trial.

Index: (yield of ‘Dahomi’ / yield of ‘Yulmi’) × 100