resin yield 第1页

Comparative Study on the Resin Yield and Rosin Components of Pinus massoniana Superior Provenances among Different Ages Variation of Oleoresin Yield among High-Gum-Yielding Slash Pine Families and Their Realized Genetic Gain Variation for Oleoresin Yielding Capability and Growth among Families and Early Selection for Superior Families in Pinus massoniana