抄録
To establish the optimal temperature control for Miltonia‘Second Love’culture at the highland (955 m above the sea level) in Yamanashi Prefecture, plants were cultivated in greenhouses from autumn to spring by raising night temperature. In the plot where the minimum temperature was kept at 5°C before the night temperature was raised, the emergence of flowering stalk was less than 90%. In the plot where the minimum temperature was kept at 15°C, it was elevated to 100% irrespective of the time of raising temperature. The earliest flowering was obtained when the minimum temperature was kept at 15°C before the night temperature was raised and the minimum temperature was then kept at 18°C from December 29. The numbers of flower stalks and pseudobulbs did not differ among the treatments when the minimum temperature was kept at 15°C.
