Articles

‘Suhyang’: new strawberry cultivar from SRI, Republic of Korea

Article number
1404_88
Pages
645 – 650
Language
English
Abstract
The strawberry breeding program at the Strawberry Research Institute has released 15 cultivars since 2002. The currently leading strawberry cultivar (Fragaria × ananassa Duch.) grown in Korea is ‘Sulhyang’ by SRI, which accounted for 82% of production in Korea in 2022. It has a high yield and is resistant to powdery mildew but its firmness is weak, so its quality degrades after March.
In order to extend the harvest season of ‘Sulhyang’, ‘Highberry’ was released by SRI, which has high firmness and quality during the warm spring season.
It has an excellent aroma and high firmness, allowing it to be harvested until late spring but has the disadvantage of a late first harvest.
In order to complement the late first harvest of ‘Highberry’, ‘Suhyang’ originated from a cross between ‘Keumsil’ (female parent) with the early harvest and ‘Highberry’ (male parent) with high firmness and aroma in 2018. It was released by SRI in 2022. In 2019-2021, seedlings with the early harvest and high firmness were selected, and by conducting growth characteristics and production trials in forcing culture, it was named ‘Suhyang’. It can be harvested from early December to early May as they are planted in early September.
The plant is semi-upright and has a vigorous growth habit.
The first harvest date of ‘Suhyang’ was December 1, which was 13 days earlier than that of ‘Highberry’. The marketable yield of ‘Suhyang’ was 3,369 kg 10a‑1, which was 96% of that of ‘Highberry’. Fruit firmness was 17.9 g mm2, which was 11% higher than that of ‘Highberry’ and can be harvested until late spring.
Soluble solids content is 10.3 °Brix, and the fruit has a fragrance aroma.
The anthocyanin content is 17.2 mg%, which is 48% higher than that of ‘Highberry’. ‘Suhyang’ is resistant to Fusarium wilt but susceptible to anthracnose and two-spotted spider mites.

Publication
Authors
I.H. Lee, H.S. Kim, M.H. Nam, H.C. Lee, J.H. Yoo, D.H. Yi, S.-K. Oh
Keywords
crossing, Fragaria × ananassa, high firmness
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