Summary: | 碩士 === 國立臺灣大學 === 園藝學研究所 === 84 === This study was to investigate effects of temeparature and light
on the growth and flowering of Phal. equestris var. alba and Dori
-taenopsis plants which are hybrids of Phalaenopsis and Doritis.
The results shows the best temerature for the growth in Phal.
equestris var. alba is 20~30C, 25~35C in Dtps. Purple Gem, and 25
~30C in Dtps. Coral Gleam x Phal. Pinlong Lady and Dtps. Pinlong
Princess '' Ruby Queen ''.The temperature treatment in 1994 had no
effects on the time of flowering in Phal. equestris var. alba,
while the 20~30c treatment promoted the flowering in 1995, specu
-lating the flowering is mainly controlled by the nutrition sta
-tus of the plants. The flowering of Dtps. Coral Gleam x Phal.
Pinlong Lady an be induced in 15~20C and 15~25C in Dtps. Pinlong
Princess '' Ruby Queen ''. Neverthless the temperature and day
-length respectively failed to induce the flowering of Dtps.
Purple Gem, expect the flowering of the plants grown in 30C above
all year round were inhibited. The temperature shift of 35/30C to
25/20C with 16 hours lighting can somewhat promote the flowering
in Dtps. Purple Gem. The light intensity largely influences the
growth anfd flowering in Phal. equestris var. alba, however the
high phosphate fertilizer not. Under the moderate light intensi
-ty, the different fertilizers have no significant effects on the
inflorescence emergence time and numbers in Phal. equestris var.
alba.
|