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"soluble solids content"

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당도가 높은 촉성재배용 딸기 품종 ‘은향’
‘Eunhyang’, A Strawberry Variety for Forcing Culture with High Soluble Solids Contents
Inha Lee, Hyun Sook Kim, Myeong Hyeon Nam, Hee Chul Lee, Je Hyeok Yoo, Donggyeom Kim
Korean. J. Breed. Sci. 2026;58(1):87-95.
Published online March 1, 2026
DOI: https://doi.org/10.9787/KJBS.2026.58.1.87

‘Eunhyang’ is a new strawberry cultivar developed in 2021 by the Strawberry Research Institute of the Chungcheongnam-do Agricultural Research and Extension Services for forcing culture. The cultivar was bred to diversify the domestic market dominated by the single cultivar ‘Sulhyang’ and to improve fruit quality, including sweetness, firmness, and flavor. ‘Daewang,’ characterized by excellent flavor, aroma, and high firmness was used as the female parent, while ‘Durihyang,’ bred by the same institute with large fruit size, strong vigor, and good taste, was used as the male parent. Artificial crossing was conducted in 2017, followed by seedling selection, evaluation of characteristics, and productivity testing from 2018 to 2020. The selected line, initially designated ‘Nonsan 16,’ was officially named ‘Eunhyang’ in 2021. ‘Eunhyang’ exhibits semi-spreading growth, strong plant vigor, and elliptic leaves. Its flowering date is slightly earlier than that of ‘Sulhyang,’ and it shows excellent continuous flowering ability. The first harvest date was similar to that of ‘Sulhyang.’ The fruits are conical and bright light red. The first flower cluster has 8.6 flowers, fewer than ‘Sulhyang’ (16.8), reducing labor for flower thinning. It demonstrates higher soluble solids content (11.0 °Brix), stronger fruit firmness (14.1 g/mm2), and a higher sugar-to-acid ratio (19.0) than ‘Sulhyang.’ The average fruit weight is 17.7 g, which is heavier than ‘Sulhyang’ (15.4 g). Total yield is 3,945 kg/10a, which is 93% of ‘Sulhyang’ (4,236 kg/10a). ‘Eunhyang’ is relatively susceptible to anthracnose, powdery mildew, and two-spotted spider mites. ‘Eunhyang’ was registered for plant variety protection in 2023 (Registration No. 9751).

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경도가 높은 참다래 품종 ‘스위트골드’
‘Sweet Gold’, A Kiwifruit Variety with High Firmness
Seong-Cheol Kim, Chun-Hwan Kim, Chan Kyu Lim, Eun-Young Song
Korean. J. Breed. Sci. 2018;50(3):245-248.   Published online September 1, 2018
DOI: https://doi.org/10.9787/KJBS.2018.50.3.245

‘Sweet Gold’ is a new promising kiwifruit variety developed for high soluble solid content and firmness at the Research Institute of Climate Change and Agriculture, National Institute of Horticultural and Herbal Science, Rural Development Administration, Korea, in 2010. This variety was selected from seeds obtained by the cross between Actinidia chinensis ‘First Emperor’ and A. chinensis ‘Okcheon’ in 2000. Seedling and line selections were conducted from 2001 to 2008, and characteristic trials were carried out from 2009 to 2010. Shoots of ‘Sweet Gold’ sprouts were similar to those of ‘Jecy Gold’ with green leaves. The fruit shape was oblong and fruit skin color was yellow brown without hair. The average fruit weight was 88.7 ±12.37 g. The fruit had a central soft core, yellow or yellow green pericarp, and fragile and juicy flesh. The soluble solid content was higher than that of ‘Jecy Gold’ at 16.3° Brix when ripe and the firmness was higher, at 21.4N, than that of ‘Jecy Gold’. The harvesting time was about 7 days earlier than that of ‘Jecy Gold’. ‘Sweet Gold’ was officially registered as a new cultivar in 2014 in accordance with the Plant Variety Protection Act by the Commissioner of the KSVS (Grant Number 5151).

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