Effect of pre-shooting temperature and duration for enhancing cut flower quality of Lilium oriental hybrid 'Siberia' in summer season in Korea
Jae-Young Ko, Kang-Jun Choi, Dae-Ki Hong, Hee-Sun Noh, Hye Kyung Rhee and Jung-Soo Lee
ISHS Acta Horticulturae 900:309-312.2011.
2011
บทคัดย่อ
Summer cut flower production of Lilium oriental hybrids has some problems including short stems, reduced number of flower buds, and shortened inflorescence length. The temperature and length of pre-plant holding before planting bulbs were studied in an effort to improve quality of ‘Siberia’ oriental hybrid lilies. ‘Siberia’ bulbs were held at 9, 12 or 15°C, for 9, 14, or 19 days before planting (10 June) in Gangneung (a high land, 600 m a.s.l.). When held at 12°C for 14 days before planting, the length and weight of harvested stems increased and physiological flower bud blindness was reduced by 46% as compared with controls. When ‘Siberia’ was held at 12°C for 17 days before planting at the other high site (Muju, 400 m a.s.l.) on 20 July, stem length and flower bud length were 90.2 and 12.5 cm, greater than the other treatments and bud blindness was reduced by 35.5% as compared with the control.