The Improvement of Postharvest Handling Technology on the Oncidium Cut Flower and Potted Flowers Nursery Plantlets

文心蘭產業包括切花及盆花，其中切花貯運後品質及盆花種苗貯運後品質不佳問題，經過多年研究仍有品質改進的空間。切花輸日到貨品質已大幅改善，不過瓶插壽命僅3-4日，外觀不亮麗。文心蘭種苗之到貨後持續栽培，在進口國之植株及開花不盡理想。本計畫之目標在建立文心蘭切花處理流程與適當之保鮮配方及文心蘭種苗出口時貯運前處理方法與流程，以提昇種苗到貨品質及後續栽培生育與開花品質。文心蘭切花模擬輸日貯運流程，探討Cytokinin類似劑aminotriazole配合1-MCP處理對文心蘭切花品質改進之可行性，包括園藝性狀調查乙烯、呼吸率及ACC含量測定。盆花種苗貯運前處理及活力劑試驗改善貯運後後續栽培之生育活力，以硫酸鋅及aminotriazole化學藥劑改進生育活力及園藝性狀之可行性。文心蘭盆花成株貯運前處理噴施aminotriazole配合1-MCP處理，改善到貨品質及生育。Oncidium industry included cut flowers and pot flowers. Cut flowers and nursery plantlets were not satisfied on quality upon arrival. Even though a lot of researches were conducted, both qualities of two products existed several problems had to overcome. Cut flowers for export in Japan presented less brightness of appearance and 3-4 days vase life. Pot flowers nursery plants showed pool growth and bloom quality in imported countries. This project focused on the establishment of cut oncidium postharvest handling system and flower preservatives. The nursery plantlets will be conducted with postharvest handling and transportation system to promote the quality of nursery plantlets upon arrival and proceeding growth and flowering. The simulative transportation for Japan which applying Cytokinin analog substance, aminotriazole treat with 1-MCP to improve cut flower quality including horticultural traits, ethylene production, respiration, and ACC content. Nursery plantlets will be treated with zinic sulfate and aminotriazole to improve vigority of plantlets and horticultural traits. Therefore pre-transportation handling and chemicals will be considered. Moreover, mature plants of oncidium treat with aminotriazole and 1-MCP in the meantime to improve quality upon arrival and proceeding growth