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김영아(Young A Kim),최성렬(Sung Ryul Choi),권오근(Oh Keun Kweon),정향영(Hyang Young Joung),신학기(Hak Ki Shin),이종석(Jong Suk Lee) 한국원예학회 2004 원예과학기술지 Vol.22 No.2
The study was conducted to investigate the differences in vase life, fresh weight, water uptake, water balance, and flower diameter in the thirty-six cultivars of the cut gerbera (Gerbera hybrida) flowers. The vase life was significantly different among the cultivars. The vase life of ‘Beauty’ (15.9 days), ‘Estelle’ (15.5 days), ‘Rita’ (15.4 days) ‘Event’ (15.3 days), and ‘Rodis’ (15.0 days) was three times longer than that in ‘Red Ball’ (4.9 days) and ‘Vital’ (4.8 days), which have short vase life. The incidence of scape deformation was 100% in ‘Lilabella’, ‘Red Ball’, ‘Mirage’, ‘Moana’, ‘Tamara’, ‘Sarinah’, ‘Ramona’, ‘Rosamette’, ‘Vital’, and ‘Pinkie’, but it was 0% in ‘Rodis’, and ‘Rusia’. The fresh weight initially increased in one day after harvest, and then decreased until senescence. The fresh weight of cultivars showing long vase life showed a slight decrease, the cultivars showing long vase life decreased largely. The water uptake in ‘Beauty’ showing a long vase life increased 1.4 times in the fourth day after harvest and was maintained highly until senescence. However, the water uptake in ‘Red Ball’ showing a short vase life cultivar was small as compared with ‘Beauty’ being long vase life, at the first day after harvest. The change in the water balance of the several cultivars showed the minus value at the second day after harvest. The flower diameter in all flowers gradually decreased after harvest. Cut gerbera cultivars having short vase life showed a little water uptake and the water balance of them changed rapidly to the minus value. Therefore, poor water balance in gerbera was one of cause of gerbera senescence.