We found that the root infected by the mycelium of T. matsutake was multibranched in shape and covered with the mycelium on surface.

• 结果表明：感染松口蘑菌丝的赤松根呈不规则的多分支状或扫帚状，表面覆有松口蘑菌丝，但不形成由菌丝构成的菌鞘。