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First-year tree seedlings represent a critical demographic life stage, functioning as a bottleneck to forest regeneration… Expand Pinus contorta is a widespread and ecologically damaging invasive tree in the southern hemisphere. Land managers want control… Expand Abstract Mass attack by tree-killing bark beetles (Curculionidae: Scolytinae) brings about large chemical changes in host trees… Expand BACKGROUND AND AIMS
Tuberculate ectomycorrhizae are a unique form of ectomycorrhiza where densely packed clusters of mycorrhizal… Expand SummaryThe aphidsCinara pini andC. pinea are tended byFormica lugubris on young trees ofPinus sylvestris. Ants begin to forage on… Expand Abstractexo-brevicomin, a multifunctional pheromone of the mountain pine beetle,Dendroctonus ponderosae, was tested at release… Expand A disk-trenching experiment in thesub-boreal spruce zone of central British Columbia,Canada, established three plots (0.12 to 0… Expand Endogenous, free indol-3yl-acetic acid (IAA) levels were measured in the main stem in the 10-year-old cambial zone, in the… Expand SummaryA new Eimeria species—E. contorta n. sp.—is isolated from a laboratory colony of rats (Rattus norvegicus). E. contorta can… Expand