xylem hardness 第1页

Relationship Between Resistance Level of 10-and 11-Year-Old Poplar Strains to Cryptorrhynchus lapathi L. (Coleoptera: Curculionidae).and the Physical Properties of Poplar Trunk Relationship between the Resistance Level of Poplar Strains Resist to Cryptorrhynchus lapathi (Coleoptera: Curculionidae)and the Physical Properties of Their Trunks