天麻,别名赤箭、仙人脚等,以根入药,是一种名贵中药材,多年来一直靠野生供药用。七十年代中期,卢氏县有关科研单位经过反复研究,成功地培育出了纯密环菌,并用密环菌培育菌材,在当地大面积推广了天麻人工栽培技术,已取得了良好的经济效益。近年来,随着医疗卫生事业的不断发展,市场对天麻的需求量大增,价 Tianma, alias red arrow, immortal feet, etc., to root into medicine, is a valuable Chinese herbal medicine, for many years has been relying on wild for medicinal purposes. In the mid seventies, Rushi County, after repeated research on scientific research units, successfully cultivated a pure ring bacteria, bacteria and bacteria with bacteria ring bacteria, large areas in the promotion of artificial gastrodia cultivation technology, has achieved good economy benefit. In recent years, with the continuous development of medical and health services, the market demand for gastrodia greatly increased, the price