White-pine weevil attack : susceptibility of western white pine in the Northeast / Ronald C. Wilkinson

by Wilkinson, Ronald C.
[Durham, NH] : U.S. Dept. of Agriculture, Forest Service, 1981.

Series: Research paper (Northeastern Forest Experiment Station) ; NE-483

Oleoresin crystallization in eastern white pine : relationships with chemical components of cortical oleoresin and resistance to the white-pine weevil / by Ronald C. Wilkinson.

by Wilkinson, Ronald C.
Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979.

Series: Research paper (Northeastern Forest Experiment Station) ; NE-438