tsuga heterophylla extract

abies heterophylla extract western hemlock extract hemlock western extract PubMed: An endophytic Coniochaeta velutina producing broad spectrum antimycotics. PubMed: Characterization of an Endophytic Gloeosporium sp. and Its Novel Bioactivity with "Synergistans". PubMed: Spatially nonrandom tree mortality and ingrowth maintain equilibrium pattern in an old-growth Pseudotsuga-Tsuga forest. PubMed: The contribution of dynamic changes in photosynthesis to shade tolerance of two conifer species. PubMed: Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree-ring C and O stable isotopes. PubMed: The importance of large-diameter trees to forest structural heterogeneity. PubMed: Tree-ring stable isotopes record the impact of a foliar fungal pathogen on CO(2) assimilation and growth in Douglas-fir. PubMed: Orientation behavior of the predator Laricobius nigrinus (Coleoptera: Derodontidae) to hemlock woolly adelgid and host tree odors in a multi-chambered olfactometer. PubMed: Climate determines upper, but not lower, altitudinal range limits of Pacific Northwest conifers. PubMed: Riparian forest composition affects stream litter decomposition despite similar microbial and invertebrate communities. PubMed: Carbon isotope discrimination in western hemlock and its relationship to mineral nutrition and growth. PubMed: Environmental change controls postglacial forest dynamics through interspecific differences in life-history traits. PubMed: Convergence of leaf display and photosynthetic characteristics of understory Abies amabilis and Tsuga heterophylla in an old-growth forest in southwestern Washington State, USA. PubMed: Characterization of a strong CCA-treated wood degrader, unknown Crustoderma species. PubMed: Parasitoids reared from predators of hemlock woolly adelgid (Hemiptera: Adelgidae), and the hymenopterous parasitoid community on western hemlock in the Pacific Northwest. PubMed: The effect of fertilization on the below-ground diversity and community composition of ectomycorrhizal fungi associated with western hemlock (Tsuga heterophylla). PubMed: Predators associated with the hemlock woolly adelgid (Hemiptera: Adelgidae) in the Pacific Northwest. PubMed: Oribatid mite communities in the canopy of montane Abies amabilis and Tsuga heterophylla trees on Vancouver Island, British Columbia. PubMed: Flux partitioning in an old-growth forest: seasonal and interannual dynamics. PubMed: Dynamic variation in sapwood specific conductivity in six woody species. PubMed: Species-specific partitioning of soil water resources in an old-growth Douglas-fir-western hemlock forest. PubMed: Hydraulic architecture and photosynthetic capacity as constraints on release from suppression in Douglas-fir and western hemlock. PubMed: Dynamics of water transport and storage in conifers studied with deuterium and heat tracing techniques. PubMed: Synergistic effect of heartwood extractives and quaternary ammonium compounds on termite resistance of treated wood. PubMed: Spatial analysis of within-population microsatellite variability reveals restricted gene flow in the Pacific golden chanterelle (Cantharellus formosus). PubMed: A novel extractant for removal of hazardous metals from preservative-treated wood waste. PubMed: Quantitative determination of benzalkonium chloride in treated wood by solid-phase extraction followed by liquid chromatography with ultraviolet detection. PubMed: Application of solid-phase extraction to quantitatively determine cyproconazole and tebuconazole in treated wood using liquid chromatography with UV detection. PubMed: Thuja plicata exclusion in ectomycorrhiza-dominated forests: testing the role of inoculum potential of arbuscular mycorrhizal fungi. PubMed: A/C(i) curve analysis across a range of woody plant species: influence of regression analysis parameters and mesophyll conductance. PubMed: Organic and inorganic nitrogen nutrition of western red cedar, western hemlock and salal in mineral N-limited cedar-hemlock forests. PubMed: Changes in stomatal frequency and size during elongation of Tsuga heterophylla needles. PubMed: Habitat and host associations of Craterellus tubaeformis in northwestern Oregon. PubMed: Ectomycorrhizal fungal community structure across a bog-forest ecotone in southeastern Alaska. PubMed: Structural and compositional controls on transpiration in 40- and 450-year-old riparian forests in western Oregon, USA. PubMed: Stem respiratory potential in six softwood and four hardwood tree species in the central cascades of Oregon. PubMed: Genetic evaluation of alternative silvicultural systems in coastal montane forests: western hemlock and amabilis fir. PubMed: Nitrogen uptake in riparian plant communities across a sharp ecological boundary of salmon density. PubMed: Analysis of terpenoids from hemlock (Tsuga) species by solid-phase microextraction/gas chromatography/ion-trap mass spectrometry. PubMed: Stomatal frequency adjustment of four conifer species to historical changes in atmospheric CO2. PubMed: Stomatal behavior of four woody species in relation to leaf-specific hydraulic conductance and threshold water potential. PubMed: Direct inhibition of maintenance respiration in western hemlock roots exposed to ambient soil carbon dioxide concentrations. PubMed: Vertical gradients in photosynthetic light response within an old-growth Douglas-fir and western hemlock canopy. PubMed: Chaenothecopsis nigripunctata, a remarkable new species of resinicolous Mycocaliciaceae from western North America. PubMed: Trends in bole biomass accumulation, net primary production and tree mortality in Pseudotsuga menziesii forests of contrasting age. PubMed: Biophysical controls of carbon flows in three successional Douglas-fir stands based on eddy-covariance measurements. PubMed: Canopy light transmittance in Douglas-fir--western hemlock stands. PubMed: Photosynthetic differences between saplings and adult trees: an integration of field results by meta-analysis. PubMed: Spatial variation of modern pollen in Oregon and southern Washington, USA. PubMed: Lignans causing photodiscoloration of Tsuga heterophylla: 8-hydroxy-oxomatairesinol from sapwood. PubMed: Xylem cavitation and loss of hydraulic conductance in western hemlock following planting. PubMed: Simulating Secondary Succession of Elk Forage Values in a Managed Forest Landscape, Western Washington PubMed: Seasonal biochemical changes in coniferous forest canopies and their response to fertilization. PubMed: Mycorrhizal effects on potassium fluxes by northwest coniferous seedlings. PubMed: Tree host range and world distribution of the extomycorrhizal fungus Pisolithus tinctorius. PubMed: Four new species of yeast isolated from insect frass in bark of Tsuga heterophylla (Raf.) Sargent.