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S. Ross | 1990article/chapitre/communication
L. Rasmussen ; G. Amman ; J. Vandygriff ; R. Oakes ; A. Munson ; K. Gibson | 1996Surveys of bark beetle and wood borer infestation in the Greater Yellowstone Area were conducted from 1991 through 1993 to determine the effect of delayed tree mortality on mosaics of fire-killed and green tree stands, the relationship between f[...]rapport
The document contains : - Kinds of mycorrhizae - How to observe root systems for mycorrhizal fungi - Characteristics of mycorrhizal and nonmycorrhiznl short roots - Nursery practices influencing mycorrhizal fungi - Insects and diseases that may [...]rapport
Ministere de l'Energie et des Ressources, Sainte Foy PQ (CAN), - Auteur | 1985article/chapitre/communication
The Spruce weevil (=white pine weevil), Pissodes strobi Peck (Coleoptera : Curculionidae), is the most serious and economically important native pest of spruce regeneration in British Columbia. The document contains : - Hosts and distribution - [...]