A New Spray Chrysanthemum Cultivar, 'Serapina' with Good Shape, Single Type and Yellow Petals for Cut Flower

화형, 화색이 우수한 황색 홑꽃 스프레이국화 '세라피나' 육성

A new spary chrysanthemum(Dendranthema grandiflorum) cultivar 'Serapina' was developed from a cross between 'Relanse' and 'Yen' by selection of seedlings and lines at the Flower Research Institute, Gyeongnam Agricultural Research and Extention Services(ARES) from 2002 to 2006. Its characteristics were investigated three times from 2004 to 2006 under condition of forcing culture in spring and retarding culture in autumn. The natural flowering time of 'Serapina' was October 23th, and year-round production was possible by day length treatment. Its capitulum was 2.8cm in diameter, and had 43.4 ray florets and 28.9 head per stem in autumn. Its ray floret was yellow with green central zone. To flower in the short day condition, for 'Serapina' was about 46 days in spring, and 'Serapina' showed the vase life of 21.7 days in autumn. This cultivar was registered for a commercialization in 2007.

'Serapina' 품종은 경남농업기술원 화훼연구소에서 적색 홑꽃인 'Relanse'를 모본, 백색 홑꽃인 'Yen'을 부본으로 인공교배를 실시하여 2002년에서 2006년에 걸쳐서 파종과 계통선발을 통해 육성하였다. 품종의 특성검정은 2004년부터 2006년까지 봄 촉성재배와 가을억제재배 조건아래서 3회에 걸쳐 조사하였다. 'Serapina'품종의 자연개화기는 10월23일이며, 일장조절에 의해 주년재배가 가능하다. 꽃 크기가 2.8cm인 소륜으로 꽃 하나의 꽃잎수가 43.4개로 많은 편이며, 착화수도 28.9개로 다화성이다. 화색은 황색이며 녹색화심을 가졌다. 봄의 단일상태에서 'Serapina'품종의 개회소요일수는 46일이며, 가을 절화수명검정에서 21.7일로 나타났다.