Two-year-old seedlings of Pinus tabulaeformis were inoculated with three kinds of Ectomycorrhiza fungi inoculum,Suillus bovines,S. luteus and Boletus luridus.

• 对商南县2年生油松苗木进行乳牛肝菌(Su illus bov inus)、褐环乳牛肝菌(S.；luteus)和褐黄牛肝菌(B oletus luridus)3种外生菌根真菌菌剂的接种试验。