TY JOUR TI BIOLOGICAL BASIS OF A BALSAM POPLAR RESISTANCE TO XYLOTROPHIC BASIDIOMYCETES KW balsam poplar KW sapwood KW phenol compounds KW fungal hyphas JO Bulletin of KSAU AU Tyukavina, O.N. AU Pokryshkin, S.A. PY 2017 IS PB Krasnoyarsk State Agrarian University