The effective method is that ectomycorrhizal fungi are introduced just beside the callus of host plant, which can evidently upgrade the growth of the hyphae.

• 初步研究了一个较好的外生菌根菌菌丝体培养方法,即将宿主的愈伤组织与外生菌根共同培养,可以明显地促进真菌菌丝的萌发和生长。