EFFECTS OF SECONDARY METABOLITES OF POPLAR TREES ON THE CARBOXYLESTERASE AND GLUTATHIONE-S-TRANSFERASE IN ANOPLOPHORA GLABRIPENNIS A MODELING APPROACH TO THE RELATIONSHIPS BETWEEN PLANTATION POPLAR WOOD PROPERTIES AND QUALITIES OF VENEER AND PLYWOOD THE ICE NUCLEATION ACTIVE BACTERIA ON POPLAR TREES AND THEIR EFFECTS IN THE COURSES OF CAUSING FREEZING INJURY AND INDUCING FUNGOUS CANKER INTERRELATION BETWEEN CARBOXYLESTERASE AND GLUTATHIONE-S-TRANSFERASE IN APRIONA GERMARI LARVAE AND SECONDARY METABOLITES OF POPLAR TREES