溫度 및 日長條件이 人蔘의 生育 및 開花에 미치는 影響

Effects of temperature and daylength on growth and flowering in ginseng(P. ginseng C.A.Meyer)

To observe the effects of temperature and photoperiod on the growth and flowering habits of ginseng(Panax ginseng C. A. Meyer), two variants, Violet-stem and Yellow-berry variant, of 3-year-old ginseng were tested at various conditions like 4 photoperiod levels(8,10,12,14hrs.) in each 3 temperature levels(10,18,25℃). Among the traits of two variants investigated Characteristics of quantitative characters such as stem diameter, stem length, petiole length, leaf length and leaf width were generally shorted at high temperature(25℃), and were elongated at low temperature(10℃), but the growth at 18℃ condition showed the most healthy. Total chlorophyll contents in leaf were decreased along to temperature and photoperiodic hour rising. Especially, days to emergence of the sprout and days to flowering were significantly accelerated along to the temperature rising, but were not significant according to photoperiod treatments. Consequently, we thought that the flowering time of ginseng could be controled by temperature treatment when flowering time of two parents are different about 35 days.