Method Observation of the serial sections on the nutritional stems of G.elata, and measure new corms of G.elata when cut off the old corms connection with rhizomorph of A. mellea.

• 方法作天麻营繁茎连续纵切片结合横切片观察；在天麻生长期切断其与菌材连接的蜜环菌索，测量新生麻生长情况。