天麻(Costrodia clata B I)为兰科多年生草本植物,无根,无绿色叶片,本身无吸收和制造营养的器官,其生长的营养物质必须靠蜜环菌供给。近年来全国各地家种天麻出现了一些局部高产典型,但大面积栽培产量仍不稳定,而且偏低。影响天麻产量的关键问题至今尚无数据可以说明,近年来栽培面积大量减少,野生资源匮乏,价格上扬。对此,我们进行了天麻种源和蜜环菌两方面对天麻产量的影响初步试验。现报 Costrodia clata B I is an orchidaceous perennial herb that has no roots and no green leaves and does not have its own body that absorbs and produces nutrients. Its nutrients must be supplied by Armillaria. In recent years, there have been some local high yield typical varieties of Gastrodia elata in various parts of the country, but the output of large-scale cultivation is still unstable and low. The key issues affecting gastrodia production have so far no data to show that in recent years a large reduction in cultivation area, lack of wild resources, prices. In this regard, we carried out the gastrodin germplasm resources and honey on both aspects of the initial impact of gastrodin yield test. Now reported