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구기순 및 잎 생산에 알맞은 4배체 구기자 ‘청순’

이정1,*, 이보희2, 김선중1, 윤상림1, 최현구1, 김주영1, 김수동1

‘Cheongsoon’, A Tetraploid Goji Berry (Lycium chinense Mill.) Cultivar Suitable for Sprout and Leaf Production

Korean Journal of Breeding Science 2025;57(4):483-491.
Published online: December 1, 2025

1충청남도농업기술원 구기자연구소

2충청남도 스마트농업본부

1Goji Berry Research Institute, Chungcheongnam-do ARES, Chengyang, 33319, Republic of Korea

2Smart Farming Department, The Headquater of Smart Agriculture, Chungcheongnam-do, Yesan, 32426, Republic of Korea

*Corresponding to Jeong LeeTEL. +82-41-635-6384E-mail. jeonglee@korea.kr
• Received: July 22, 2025   • Revised: August 19, 2025   • Accepted: September 9, 2025

Copyright © 2025 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 to this article as recorded by  Crossref logo
  • Goji Leaves and Buds as Food Resources: Composition, Processing, Safety, and Links to Side-Stream Valorization
    Jinhao Zou, Xiaowei Tian, Siyi Wang, Ye Sun
    Foods.2026; 15(18): 3298.     CrossRef

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‘Cheongsoon’, A Tetraploid Goji Berry (Lycium chinense Mill.) Cultivar Suitable for Sprout and Leaf Production
Korean. J. Breed. Sci.. 2025;57(4):483-491.   Published online December 1, 2025
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‘Cheongsoon’, A Tetraploid Goji Berry (Lycium chinense Mill.) Cultivar Suitable for Sprout and Leaf Production
Korean. J. Breed. Sci.. 2025;57(4):483-491.   Published online December 1, 2025
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‘Cheongsoon’, A Tetraploid Goji Berry (Lycium chinense Mill.) Cultivar Suitable for Sprout and Leaf Production
Image Image Image Image Image
Fig. 1 Pedigree diagram of goji berry cultivar ‘Cheongsoon’.
Fig. 2 Genealogical diagram of goji berry cultivar ‘Cheongsoon’.
Fig. 3 Flow cytometric analysis of DNA content in ‘Cheongsoon’ and the control variety ‘Gugisoon 1’.
Fig. 4 Leaf morphology of the two cultivars. A: ‘Gugisoon 1’, B: ‘Cheongsoon’.
Fig. 5 Field sprout shapes of ‘Gugisoon 1’ (left; leaves damaged by Eriophyes macronis) and ‘Cheongsoon’ (right).
‘Cheongsoon’, A Tetraploid Goji Berry (Lycium chinense Mill.) Cultivar Suitable for Sprout and Leaf Production

Operating conditions of HPLC/DAD.

Parameters Conditions
Instrument Agilent 1260 infinity II
Detector DAD (265 nm)
Column Reverse-Phase C18 (Agilent eclipse Plus, 4.6×150 mm, 4 μm)
Column temperature 40℃
Mobile phase Time
(min)
Az (%) By (%)
0 35 65
5 50 50
10 35 65
Flow rate 1.5 mL/min
Sample injection 10 μL

Morphological characteristics of ‘Cheongsoon’ and the control variety ‘Gugisoon 1’.

Cultivar Plant
shape
Leaf Sprouting
abiliy
Flower Fruit
shape
Chromosome number
Color Shape Size Color Size
Cheongsoon Upright Green Eliptic Medium Strong Purple Large Eliptic 2n=4x=48
Gugisoon 1 Upright Light green Lanceolate Medium Strong Light Purple Small Lanceolate 2n=2x=24

Comparison of leaf characteristics between ‘Cheongsoon’ and the control variety ‘Gugisoon 1’ in the regional yield trial (2021-2022).

Cultivar Leaf length
(cm, A)
Leaf width
(cm, B)
Leaf shapez (B/A) Leaf thickness
(mm)
Weight of
100 leaves (g)
SPADy value
Cheongsoon 6.2±0.3a x 3.1±0.1a 0.5±0.0a 0.4±0.0a 49.7±4.7a 50.1±0.8a
Gugisoon 1 5.6±0.3a 2.2±0.2b 0.4±0.0b 0.3±0.0b 26.5±2.4b 44.0±0.8b

Stem characteristics of ‘Cheongsoon’ and the control variety ‘Gugisoon 1’ in the regional yield trial (2021-2022).

Cultivar Stem length
(cm)
Stem diameter
(mm)
NO. of stem
per plant (ea)
Weight
per stem (g)
Cheongsoon 23.7±0.8a 3.2±0.7a 11.2±0.8b 79.7±9.0a
Gugisoon 1 25.0±2.4a 2.4±0.5b 14.9±0.5a 49.4±3.7b

Comparison of cultivar resistance to Eriophys macronis in the regional yield trial (2021-2022).

Cultivar Damaged leaves (%) Insect galls per damaged leaf (ea)


1st year 2st year Mean 1st year 2st year Mean
Cheongsoon 2.0±0.5b 2.5±2.0b 2.3 1.3±0.0b 0.8±0.2b 1.3
Gugisoon 1 23.9±3.0a 22.6±3.7a 23.3 2.5±0.1a 3.3±0.7a 2.9

Comparison of goji sprout yield in the preliminary yield trial (PYT) and advanced yield trial (AYT).

Cultivar PYT
(kg/10a)
AYT
(kg/10a)
Mean
(kg/10a)
Index
(%)
Cheongsoon 4,691a 5,872a 5,282 213
Gugisoon 1 2,612b 2,340b 2,476 100

Sprout yield of goji berry cultivar in the regional yield trial.

Cultivar Total sprouts (kg/10a) Tender sprouts (kg/10a)


1st year 2st year Mean (A) Index

(%)
1st year 2st year Mean (B) Index

(%)
Ratio
(B/A, %)
Cheongsoon 4,560a 37,533a 21,047 144 742a 6,960a 3,851 224 18.3

Gugisoon 1 2,512b 26,818b 14,665 100 278b 3,164b 1,721 100 11.7

Rutin and quercetin contents in the regional yield trial (2021-2022).

Cultivar Rutin (μg/g) Quercetin (μg/g)
Cheongsoon 107.1±2.5a 57.4±1.2b
Googisoon 1 42.4±0.3b 77.8±2.9a
Table 1 Operating conditions of HPLC/DAD.

zA: 0.1% TFA (Trifluoroacetic acid) in MeOH, yB: 0.1% TFA in D.W.

Table 2 Morphological characteristics of ‘Cheongsoon’ and the control variety ‘Gugisoon 1’.
Table 3 Comparison of leaf characteristics between ‘Cheongsoon’ and the control variety ‘Gugisoon 1’ in the regional yield trial (2021-2022).

zShape: 1 (Round) ↔ 0 (Lanceolate).

ySPAD value: chlorophyll meter (Minolta SPAD-502).

xIn a column, same letters are not significantly different at the 5% level by Duncan Multiple Range Test (DMRT).

Table 4 Stem characteristics of ‘Cheongsoon’ and the control variety ‘Gugisoon 1’ in the regional yield trial (2021-2022).

zIn a column, same letters are not significantly different at the 5% level by Duncan Multiple Range Test (DMRT).

Table 5 Comparison of cultivar resistance to Eriophys macronis in the regional yield trial (2021-2022).

zIn a column, same letters are not significantly different at the 5% level by DMRT.

Table 6 Comparison of goji sprout yield in the preliminary yield trial (PYT) and advanced yield trial (AYT).
Table 7 Sprout yield of goji berry cultivar in the regional yield trial.

Ns not significant between two cultivars.

Table 8 Rutin and quercetin contents in the regional yield trial (2021-2022).