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식용 고구마 신품종 ‘건황미’

A New Sweetpotato Variety ‘Geonhwangmi’ for Table Use

The Korean Journal of Breeding Science 2016;48(3):355-361.
Published online: August 31, 2016

1 농촌진흥청 국립식량과학원 바이오에너지작물연구소,

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

2 농촌진흥청,

2 Rural Development Administration, Jeonju 54875, Korea

3 농촌진흥청 국립식량과학원 작물재배생리과,

3 Crop Production & Physiology Division, NICS, RDA, Wanju 55365, Korea

4 농촌진흥청 국립원예특작과학원 배연구소,

4 Pear Research Institute, NIHHS, RDA, Naju 58216, Korea

5 전라북도농업기술원,

5 Jeollabuk-do Agricultural Research & Extension Services, Iksan 54591, Korea

6 농촌진흥청 국립식량과학원

6 National Institute of Crop Science, RDA, Wanju 55365, Korea

*Corresponding author (leehu79@korea.kr, +82-61-450-0141, +82-61-453-0085)
• Received: July 15, 2016   • Accepted: July 15, 2016

© 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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    Frontiers in Plant Science.2023;[Epub]     CrossRef
  • ‘Bodeuremi’, a Sweetpotato Variety with Moist Texture and High Yield
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    Korean Journal of Breeding Science.2022; 54(1): 57.     CrossRef
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    Korean Journal of Breeding Science.2020; 52(3): 263.     CrossRef
  • A Sweetpotato Variety Resistant to Fusarium Wilt, 'Yeseumi'
    Hyeong-Un Lee, Mi-Nam Chung, Joon-Seol Lee, Seung-Hyun Ahn, Jae-Myung Kim, Seon-Kyeong Han, Jung-Wook Yang, Yeon-Sang Song, Hyun-Man Shin, Jin-Young Moon, Kyu-Hwan Choi, Sang-Hyun Lim, In-Hu Choi
    Korean Journal of Breeding Science.2018; 50(2): 131.     CrossRef
  • Textural character of sweet potato root of Korean cultivars in relation to chemical constituents and their properties
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    Food Science and Biotechnology.2018; 27(6): 1627.     CrossRef

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A New Sweetpotato Variety ‘Geonhwangmi’ for Table Use
Korean. J. Breed. Sci.. 2016;48(3):355-361.   Published online September 30, 2016
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Korean. J. Breed. Sci.. 2016;48(3):355-361.   Published online September 30, 2016
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A New Sweetpotato Variety ‘Geonhwangmi’ for Table Use
Image Image Image
Fig. 1. Genealogical diagram of ‘Geonhwangmi’.
Fig. 2. Pedigree diagram of ‘Geonhwangmi’.
Fig. 3. Raw (left) and steamed (right) storage roots of ‘Geonhwangmi’.
A New Sweetpotato Variety ‘Geonhwangmi’ for Table Use

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

Variety Stem color Stem tip color Anthocyanin coloration of node No. of leaf blade lobes Depth of leaf blade lobe Leaf color Anthocyanin coloration on abaxial veins Petiole color Flowering

Geonhwangmi Green Green Medium 5 Moderate Green Large Green Medium
Yulmi Green Green Absent Absent (Cordate) - Green Small Green Sparse or absent

Storage root characteristics of ‘Geonhwangmi’.

Variety General shape Skin color Flesh color Depth of eyes

Geonhwangmi Elliptic Red Light orange Shallow
Yulmi Elliptic Light red Light yellow Medium

Agronomic characteristics, yield components and yield of ‘Geonhwangmi’ on regional yield trial under early season cultivation.

Variety Sprout appearance (DAP)z No. of sprout Vine length (cm) Vine Weight (MT/ha) No. of marketable storage root per plant Ave. weight of marketable storage root (g) Marketable storage root yield (MT/ha)

Geonhwangmi 17 Medium 85ns 17.2ns 3.0* 117* 23.0ns
Yulmi 17 Medium 81 17.9 1.9 135 16.5

Not significant (ns) in the t-test

significant at P < 0.05.

Agronomic characteristics and yield components of ‘Geonhwangmi’ on regional yield trial under optimum and late season cultivation.

Variety Vine length (cm) Vine Weight (MT/ha) No. of marketable storage root per plant Ave. weight of marketable storage root (g)

Geonhwangmi 206ns 27.2ns 2.6* 151ns
Yulmi 216 33.2 2.0 144

Not significant (ns) in the t-test

significant at P < 0.05.

Reaction to fusarium wilt, root-knot nematode (Meloidogyne incognita) and storability of storage root of ‘Geonhwangmi’.

Variety Fusarium wilt (0~9)z Root-knot nematode (0~9) Storability

Geonhwangmi 5 3 Excelent
Yulmi 7 9 Medium

0: resistant, 9: susceptible.

Quality of storage root of ‘Geonhwangmi’.

Variety Dry matter content (%) Texture of steamed storage root °Brix of steamed storage root Total sugar contents (g/100g DW)
Sweetness of steamed storage rootz Palatability of steamed storage rooty β-Carotene (mg/100g DW)
Raw Steaming

Geonhwangmi 29.4* Intermediate 24.7** 6.5ns 30.3ns 15.7ns 5.8 3.4
Yulmi 32.4 Dry 28.9 6.9 23.6 11.9 5.0 N.D.x

Fructose*1.0+Glucose*0.55+Sucrose*1.0+Maltose*0.35.

1: very bad, 3: bad, 5: medium, 7: good, 9: excellent.

Non-detectable.

Not significant (ns) in the t-test

significant at P < 0.05 and P < 0.01, respectively.

Sugar content of raw and steamed storage root of ‘Geonhwangmi’.

Variety Raw storage root (g/100g DW)
Steamed storage root (g/100g DW)
Fructose Glucose Sucrose Maltose Fructose Glucose Sucrose Maltose

Geonhwangmi 0.9ns 1.1ns 4.5ns N.D.z 1.0ns 1.5ns 6.4* 21.4ns
Yulmi 1.7 1.7 3.5 N.D. 1.5 2.0 3.4 16.6

Non-detectable.

Not significant (ns) in the t-test

significant at P < 0.05.

Chroma value of storage root of ‘Geonhwangmi’.

Variety Chroma valuez
Skin
Flesh
L a b L a b

Geonhwangmi 41.6* 18.4ns 9.3ns 81.5* 12.6** 31.6ns
Yulmi 46.4 16.9 11.3 85.8 1.4 29.7

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

Not significant (ns) in the t-test

significant at P < 0.05 and P < 0.01, respectively.

Rapid visco analysis (RVA) properties of starch of ‘Geonhwangmi’.

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

Geonhwangmi 297.0ns 129.4ns 167.7ns 195.3ns 65.9ns 75.7ns
Yulmi 310.9 118.6 192.2 184.5 65.9 75.2

Not significant (ns) in the t-test

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

Variety Storage root yield (MT/ha)
Preliminary yield trial Indexz Advanced yield trial Index

Geonhwangmi 19.2 129 30.0 187
Yulmi 14.9 100 16.0 100

(yield of ‘Geonhwangmi’ / yield of ‘Yulmi’) × 100.

Marketable storage root yield (MT/ha) of ‘Geonhwangmi’ on regional yield trial under optimum and late season cultivation at five regions.

Region Geonhwangmi (Mt/ha)
Indexz (A/B) Yulmi (MT/ha)
2011 2012 2013 Mean (A) 2011 2012 2013 Mean (A)

Muan 18.3 20.8 16.3 18.5 122 15.0 15.5 14.8 15.1
Chuncheon 20.9 29.1 19.7 23.3 155 11.2 19.8 14.1 15.0
Cheongju 16.5 25.8 28.3 23.5 130 11.8 20.9 21.5 18.0
Iksan 17.2 24.9 59.0 33.7 170 15.8 16.7 27.1 19.9
Jinju 18.5 19.9 28.6 22.4 141 18.0 17.9 11.5 15.8

Mean 18.3 24.1 30.4 24.2ns 145 14.4 18.1 17.8 16.8

(yield of ‘Geonhwangmi’ / yield of ‘Yulmi’) × 100.

Not significant (ns) in the t-test.

Table 1. Mature vine characteristics of ‘Geonhwangmi’ on field at harvesting stage.
Table 2. Storage root characteristics of ‘Geonhwangmi’.
Table 3. Agronomic characteristics, yield components and yield of ‘Geonhwangmi’ on regional yield trial under early season cultivation.

Not significant (ns) in the t-test

significant at P < 0.05.

Table 4. Agronomic characteristics and yield components of ‘Geonhwangmi’ on regional yield trial under optimum and late season cultivation.

Not significant (ns) in the t-test

significant at P < 0.05.

Table 5. Reaction to fusarium wilt, root-knot nematode (Meloidogyne incognita) and storability of storage root of ‘Geonhwangmi’.

0: resistant, 9: susceptible.

Table 6. Quality of storage root of ‘Geonhwangmi’.

Fructose*1.0+Glucose*0.55+Sucrose*1.0+Maltose*0.35.

1: very bad, 3: bad, 5: medium, 7: good, 9: excellent.

Non-detectable.

Not significant (ns) in the t-test

significant at P < 0.05 and P < 0.01, respectively.

Table 7. Sugar content of raw and steamed storage root of ‘Geonhwangmi’.

Non-detectable.

Not significant (ns) in the t-test

significant at P < 0.05.

Table 8. Chroma value of storage root of ‘Geonhwangmi’.

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

Not significant (ns) in the t-test

significant at P < 0.05 and P < 0.01, respectively.

Table 9. Rapid visco analysis (RVA) properties of starch of ‘Geonhwangmi’.

Not significant (ns) in the t-test

Table 10. Storage root yield (MT/ha) over 50 g of ‘Geonhwangmi’ on preliminary and advanced yield trials.

(yield of ‘Geonhwangmi’ / yield of ‘Yulmi’) × 100.

Table 11. Marketable storage root yield (MT/ha) of ‘Geonhwangmi’ on regional yield trial under optimum and late season cultivation at five regions.

(yield of ‘Geonhwangmi’ / yield of ‘Yulmi’) × 100.

Not significant (ns) in the t-test.