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为了验证落叶松菌根真菌的作用，为造林提供优质菌根苗，１９９２～１９９６年在辽宁北部、东部等地利用厚环乳牛肝菌、赭丝膜菌、彩色豆马勃菌等菌根真菌，采取播种同时撒播，幼苗期开沟、扎孔，容器苗于播种期间袋内接菌，进行了落叶松播种苗、移植苗、容器苗、扦插苗等接菌及菌苗造林试验，结果接菌苗较对照苗菌根指数有很大提高，其生物产量（苗高、地径、根长等）也有明显提高，从而起到了促进苗木速生增产的作用。
In order to verify the role of larch mycorrhizal fungi, afforestation to provide good mycorrhizal seedlings, from 1992 to 1996 in northern Liaoning, eastern Liaoning and other places using the milk bolete, ochratosis, color bean Puff fungus mycorrhizal fungi, Seedlings were inoculated at the same time with sowing seeds, ditches and holes at seedling stage, container seedlings were inoculated in bags during sowing period, and the larch sowing seedlings, transplant seedlings, container seedlings and cutting seedlings were inoculated and the afforestation experiment was carried out. The mycorrhizal index of seedlings is much higher than that of the control, and its biological yield (seedling height, diameter, root length, etc.) also increased obviously, which played a role in promoting the fast growth of seedlings.