Studies on the Mycoflora of Pinus thunbergii Infected by Bursaphelenchus xylophilus DISTRIBUTION OF PINE WOOD NEMATODE IN CHINA Studies on the Resistance of Pine Trees to Pine Wood Nematode, Bursaphelenchus xylophilus Studies on Influence of Poplar Canker and Pine Wood Nematode on the Electrical Indexes of Tree Stem Impact on forest growth and related growth models of the Pinus massoniana population invaded by Bursaphelenchus xylophilus Lethal Effect of Flagellin Secreted by Pseudomonas fluorescens on Cells of Pinus thunbergii Impact of pine wood nematode invasion on the micro-structures of different pine hosts Effects of pine wood nematode on propagation of its carrying bacteria Study on the Spreading of Pine Wood Nernatode through Pine Wood Chips Effect of HighVoltage Pulse Current on the Vitality and Reproduction of Pine Wood Nematode Ecological relationships between Bursaphelenchus xylophilus and its companion microorganisms. STUDIES ON WILTING TOXIC SUBSTANCES PRODUCED IN PINES INFECTED BY PINE WOOD NEMATODES Effects of Pulsed Magnetic Field on the Biochemical and Physiological Characters and Ultrastructure of Pine Wood Nematode