The New bicolor spray rose (Rose hybrida Hort.) cultivar was developed by line selection in 2000 at the Flower Breeding Research Institute, Gyeongnam ARES. Characteristics were investigated three times from 2003 to 2006. ‘Yellow King’ was crossed between ‘Spring Time’ and ‘Flair’ and it has a Yellow Orange-group color (RHS No. 16A), few thorns and spray flower with a good harmony between ray floret and flower center. The vase life of cut flower was 9.1 days. It was registered as commercial cultivar in 2006. This new cultivar could be planted in most of greenhouse production region of Korea and will be released to general rose growers in 2007.

• 김진기(경상남도 농업기술원 화훼육종연구소) | Jin-Ki Kim Corresponding author
• 안동춘(경상남도 농업기술원 화훼육종연구소) | Dong-Choon An
• 김수경(경상남도 농업기술원 화훼육종연구소) | Su-Kyeong Kim
• 빈철구(경상남도 농업기술원 화훼육종연구소) | Chul-Gu Been
• 김주현(경상대학교 농업생명과학대학) | Zhoo-Hyeon Kim