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Breeding of High Yield Butterhead Lettuce ‘Sun Red Butter’
다수성 버터헤드 상추 ‘썬레드버터’ 육성
Korean J Breed Sci 2018;50(3):240-244
Published online September 1, 2018
© 2018 Korean Society of Breeding Science.

Suk-Woo Jang1*, Seung-Kook Choi1, Suhyoung Park1, Hak-Sun Choi1, Eung Young Yang1, Jong-Nam Lee2, Dae-Gyun Kim3, Jae-Kwan Noh4, Eun-Ji Kim5, Wan-Gyu Jeong6, and Sun-Bo Ko7
장석우1* , 최승국1, 박수형1, 최학순1, 양은영1, 이종남2, 김대균3, 노재관4, 김은지5, 정완규6, 고순보7

1Vegetalble Research Division, National Institute of Horticultural & Herbal Science, Wanju 55385, Korea
2Highland Agriculture Research Institute, National Institute of Crop Science, RDA, Pyeongchang 25342, Korea
3Gyeonggi-do Agric. Res. and Extension Services, Hwaseong 18388, Korea
4Chungcheongbuk-do Agric. Res. and Extension Services, Cheongju, 28130, Korea
5Jeollabuk-do Agric. Res. and Extension Services, Iksan 54591, Korea
6Gyeongsangnam-do Agric. Res. and Extension Services, Jinju 52733, Korea
7Jeju-do Agric. Res. and Extension Services, Seogwipo 63556, Korea
1국립원예특작과학원, 2고령지농업연구소, 3경기도원, 4충북도원, 5전북도원, 6경남도원, 7제주도원
Correspondence to: (E-mail: swjang02@korea.kr, Tel: +82 63-238-6620, Fax: +80-63-238-6605)
Received February 8, 2018; Accepted June 6, 2018.
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.
Abstract
A new red butterhead lettuce (Lactuca sativa L.) with transverse broad elliptic, red leaves, ‘Sun Red Butter’, with late bolting and high yield, was developed from a cross between ‘Jajusangchu’ (red leaf color and half crisp) and ‘Dukseomjeokchukmyeon’ (high yield). The crossing and selection for advanced lines was previously carried out using the pedigree method during the period 2001–2009. The advanced lines were evaluated for yield and adaptability at several locations in Korea (Gangwon-do, Gyeonggi-do, Chungcheongbuk-do, Jeollabuk-do, Gyeongsangnam-do, and Jeju-do) in 2011. The type of matured stage is early and medium butterhead lettuce. The shelf life of ‘Sun Red Butter’ was four weeks longer than that of ‘Germania’ at 4°C. The anthocyanin content of ‘Sun Red Butter’ was lower than that of ‘Germania’ at 11.2 mg/100 g. The BSL (latucin+8-deoxylactucin+lactucopicrin) content of ‘Sun Red Butter’ was higher than that of ‘Germania’ at 32.8 μg/g, DW. The marketable yield of ‘Sun Red Butter’ was higher than that of ‘Germania’ by 67% (at 621.4 g per plant), and ‘Sun Red Butter’ showed a particularly improved yield under high-temperature cultivation in the field. Furthermore, ‘Sun Red Butter’ had better taste characteristics and was crisper and sweeter than ‘Germania’. Therefore, we recommend that the new cultivar ‘Sun Red Butter’ would be suitable for cultivation in spring and fall. Furthermore, this new cultivar could be harvested in a single harvest, as in a head lettuce, and could therefore be managed more efficiently and economically by farmers.
Keywords : Butter head lettuce, Red leaf color, Shelf-life, Taste, Breeding


September 2018, 50 (3)
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