Study on Chemical Components of Oleoresin from Different Wild Sindora glabra Individuals in Jianfengling, Hainan, China Chemical Characteristics of Oleoresin from Pinus bungeana Zucc. and Its Taxonomic Implication Application of Oleoresin Exudation Method for Controlling Pine Wood Nematode Disease by Bursaphelenchus xylophilus in Changdao County of Shandong Province Variation for Oleoresin Yielding Capability and Growth among Families and Early Selection for Superior Families in Pinus massoniana Physical and Chemical Properties of the Oleoresin of Sindora glabra in Jianfengling National Nature Forest Reserve, Hainan island of China Study on Early Diagnosis for Pine Wilt Disease Causedby Bursaphelenchus xylophilusⅡ.The Effect of Pine Species, Dose and Nematode Origin on Oleores in Exudation Method Study on Early Diagnosis for Pine Wilt Disease Caused by Bursaphelenchus xylophilus Ⅰ.Early Diagnosis for Pine Wilt Disease by Bursaphelenchus xylophilus Parasiting in Pinus massoniana and P.thunbergii Biological Characteristics and Oleoresin Production of Sindora glabra in Hainan Island Variation of Oleoresin Yield among High-Gum-Yielding Slash Pine Families and Their Realized Genetic Gain Family Variation of Oleoresin Compounds and Their Correlation in Pinus massoniana ISOLATION OF CAPSAICINOIDS FROM CAPSICUM OLEORESIN BY USING SILICA GEL COLUMN CHROMATOGRAPHY Anatomical Comparison of Resin Canals in Pinus yunnanensis with Different Oleoresin Yield