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天麻属兰科植物,多年生草本,以块茎入药。它无根和绿叶,依靠蜜环菌供应营养,可在地道等黑暗环境中生长。蜜环菌是一种兼性寄生菌,生于死亡或衰弱的树木上,分解纤维素,吸取营养。野生天麻一般生长在海拔1000米以上高山区,喜凉爽、湿润,有一定的温周期,冬季休眠,2℃左右完全越冬,此低温有利于块茎在15℃左右发芽,但生长期不耐严寒骤袭。天麻旺长期要求较高湿度,但水份过多易引起块茎腐烂。这是培育天麻应注意的问题。
Gastrodia is an orchid plant, perennial herb, tuberized into medicine. It is rootless and greenery, relying on honey ring fungus supply nutrition, can be grown in authentic dark environment. Armillaria mellea is a facultative parasitic bacterium that is born on dead or weakened trees, decomposes cellulose and absorbs nutrients. Wild Gastrodia general growth at an altitude of 1000 meters above the mountain, hi cool, humid, a certain temperature cycle, winter dormancy, 2 ℃ completely overwinter, the low temperature is conducive to the tubers at about 15 ℃ germination, Hit. Tianma Wang long-term requirements of higher humidity, but excessive water can cause tuber rot. This is to cultivate Tianma should pay attention to the problem.