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New Cultivar Developed

다수성 종간교잡 감초 신품종 ‘원감’

이정훈*, 오명원*, 이상훈, 박춘근, 정진태, 한종원, 마경호, 장재기

‘Wongam’, a Licorice Interspecific Hybrid Cultivar with High Yield

Korean Journal of Breeding Science 2020;52(4):454-459.
Published online: December 1, 2020

농촌진흥청 국립원예특작과학원 약용작물과

Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea

*Corresponding Author: Jeong-Hoon Lee (E-mail: artemisia@korea.kr, Tel: +82-43-871-5670, Fax: +82-43-871-5659)
*Co-corresponding Author: Myeong-Won Oh (E-mail: mwon0501@korea.kr, Tel: +82-43-871-5683 Fax: +82-43-871-5659)
• Received: August 7, 2020   • Revised: August 10, 2020   • Accepted: September 24, 2020

Copyright © 2020 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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‘Wongam’, a Licorice Interspecific Hybrid Cultivar with High Yield
Korean. J. Breed. Sci.. 2020;52(4):454-459.   Published online December 1, 2020
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Korean. J. Breed. Sci.. 2020;52(4):454-459.   Published online December 1, 2020
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‘Wongam’, a Licorice Interspecific Hybrid Cultivar with High Yield
Image Image
Fig. 1 Pedigree diagram (A) and genealogical diagram (B) of licorice variety ‘Wongam’. PYT means preliminary yield trial and RVT means replicated yield trial. M and F mean mother parent and father parent, respectively.
Fig. 2 The morphological characteristics of ‘Wongam’ (above) and ‘G. uralensis (below)’. (a) whole plant; (b) leaf shape; (c) root crossing section, respectively.
‘Wongam’, a Licorice Interspecific Hybrid Cultivar with High Yield

Analysis condition of glycyrrhizic acid and liquiritigenin in licorice.

HPLC Agilent 1260 series
Column YMC-PACK ODS-AM (205 mm x 4.6 mm, 5 μm)
Wavelength 254 nm (Glycyrrhizin) and 276 nm (Liquiritigenin)
Mobile phase Solvent A : 0.1(v/v)% formic acid in distilled water
Solvent B : 0.1(v/v)% formic acid in acetonitrile
Flow rate 1 mL/min
Column temperature 40 °C
Injection volume 5 μL

Gradient elution Time (min) Solvent A (%) Solvent B (%)

0-3 95 5
3 95 5
40 0 100
50 0 100

Inherent characteristics of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

Cultivar Plant type Leaf Root color Root shape



Shape Color Epidermis Cortex Rhizodermis Vascular bundle
Wongam Erect type Oval Green Brown Light yellow Thick Developed
G. uralensis (Control) Semi-runner type Lanceolate Green Reddish brown White Thin Undeveloped

Agronomical characteristics of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

Cultivar Plant
length
(cm)
Stem diameter
(mm)
Branch number (ea/plant) Root
length
(cm)
Main root diameter
(mm)
Supporting root number
(ea/plant)
Root
dry weight (g/plant)
Yield
(kg/10a)
Index
Wongam 102.9** 8.40** 6.0* 51.3** 15.2* 7.3** 54.6** 359** 227**
G. uralensis (Control) 54.5 4.3 4.7 35.1 11.3 5.3 22.7 158 100

Disease, pest, and lodging disease resistance of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

Region Wongam Glycyrrhiza uralensis (Control)


Brown spot disease
(0~9)z
Aphid
(0~9)
Mite
(0~9)
Lodging
(0~9)
Brown spot disease
(0~9)z
Aphid
(0~9)
Mite
(0~9)
Lodging
(0~9)
Gangwon Cheorwon 1 3 2 0 2 3 2 3
Chungbuk Eumseong 1 3 2 0 3 3 3 3
Gyeongbuk Uiseong 2 3 3 0 2 3 3 3
Jeonnam Naju 1 3 2 0 3 3 2 3
Average 1 3 2 0 3 3 2 3

Root yield (kg/10a) of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’ on regional yield trial at four regions.

Region Wongam (kg/10a) G. uralensis (kg/10a) Indexz


2012 2013 Mean 2012 2013 Mean
Gangwon Cheorwon 149 404 277 96 194 145 191by
Chungbuk Eumseong 295 588 442 109 245 177 249a
Gyeongbuk Uiseong 227 616 421 157 186 172 245a
Jeonnam Naju 291 307 299 132 145 139 215ab

Ingredient content (%) of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

Cultivar Glycyrrhizin Liquiritigenin
Wongam 3.96±0.02* 0.80±0.03*
G. uralensis (Control) 1.90±0.01 0.57±0.10

Cytotoxicity of Glycyrrhiza glabra, G. uralensis, and hybrid variety ‘Wongam’.

Sample Treatment
(μg/mL)
Percentage of viability (%)

100% EtOH 70% EtOH 30% EtOH Distilled Water
Glycyrrhiza glabra 25 103.35±5.81bz 96.23±5.98a 106.07±14.52a 80.58±8.80b
50 113.29±1.12b 119.73±2.30a 106.62±14.05a 90.04±7.04ab
100 118.53±1.82b 106.02±4.99a 110.26±13.30a 95.07±7.80b
200 125.17±5.70a 118.31±3.61a 109.96±11.04a 113.57±3.95ab

Glycyrrhiza uralensis 25 108.69±10.64a 98.29±5.86a 91.58±6.62b 116.10±3.88a
50 122.49±0.86a 110.90±23.35a 85.34±1.28b 110.88±3.35a
100 125.09±6.45a 108.32±10.62a 79.18±1.13c 117.83±5.44a
200 109.73±12.41c 106.22±15.54b 77.29±1.37b 119.69±5.13a

Wongam 25 102.59±14.50b 90.47±1.39a 101.42±4.23a 85.22±3.36b
50 104.56±9.40c 79.34±1.75b 96.49±3.32b 86.17±1.14b
100 116.33±11.18b 80.80±3.69b 100.72±3.36b 92.75±2.0b1
200 118.04±10.19b 66.73±8.07c 114.25±6.92a 106.92±4.03b
Table 1 Analysis condition of glycyrrhizic acid and liquiritigenin in licorice.
Table 2 Inherent characteristics of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.
Table 3 Agronomical characteristics of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

* and ** Significant at p<0.05 and p<0.01 in the t-test.

Table 4 Disease, pest, and lodging disease resistance of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

z0: Resistance, 9: Susceptible.

Table 5 Root yield (kg/10a) of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’ on regional yield trial at four regions.

z(Yield of ‘Wongan’ /yield of ‘G. uralensis’)×100.

yDifferent letter means significant difference according to the DMRT (p<0.05).

Table 6 Ingredient content (%) of Glycyrrhiza glabra (♀) x G. uralensis (♂) hybrid cultivar ‘Wongam’.

*means significantly difference (p<0.05), ns; no significance.

Table 7 Cytotoxicity of Glycyrrhiza glabra, G. uralensis, and hybrid variety ‘Wongam’.

zDifferent letter means significantly difference according to DMRT (p<0.05).