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... The cultivar Coho is a new floricane fruiting red raspberry. It is high yielding and late-ripening, and produces large, bright red, very firm fruits that easily separates from the receptacle. Coho is best suited for fresh markets, although it has been reported to be excellent when individually quick frozen. The Coho ripening season is later than cv. Tulamen and slightly earlier than cv. Kitsilano. ...
... Blackberry cv. Metolius, selected from the cross Douglas × Kotata, is a medium-yielding cultivar with vigorous plants and early-ripening, uniformly sized and shaped, glossy, firm fruits with excellent colour and flavour. ...
... Blackberry cv. Nightfall, derived from the cross Marion × Waldo, is a thornless cultivar with good plant disease resistance, yield similar to that of the well-established cultivar, Marion, and large fruits with excellent processing quality and adaptation to machine harvesting. ...
germplasm releases; vigor; Rubus; plant architecture; fruit quality; crop yield; firmness; fruit crops; high-yielding varieties; blackberries; mechanical harvesting; Oregon
Abstract:
... Blackberry cv. Obsidian, selected from the cross ORUS 828-43 and ORUS 1122-1, is a high-yielding cultivar with outstanding plant vigour and early ripening, large and firm fruits with excellent colour and flavour. ...
... Tillamook and Pinnacle are new June-bearing (short-day) strawberry cultivars from the U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) breeding programme in Corvallis, Oregon, released in cooperation with the Oregon Agricultural Experiment Station, the Washington State University Agricultural Research Centre and the Idaho Agricultural Experiment Station. Tillamook was select ...
total soluble solids; crop yield; food composition; strawberries; fruit quality; titratable acidity; cultivar identification; organic production; harvest date; weight; cultivars; research projects; firmness; photoperiod; USDA; germplasm releases; Fragaria ananassa; genetic variation; color; chemical constituents of plants; pedigree; Oregon; British Columbia
Abstract:
... 'Valley Red' is a new June-bearing (short day) strawberry cultivar from the U.S. Department of Agriculture-Agricultural Research Service breeding programme in Corvallis, Oregon, released in cooperation with the Oregon Agricultural Experiment Station, The Washington State University Agricultural Research Centre, and Agriculture and Agri-Foods Canada. 'Valley Red' was selected in 1996 from the cross ...
... We compared lignocellulose (the second most abundant component of plant material) degradation over 8 months in contrasting soils from each of five sites across the United States with the aim of assessing which soils are likely to store more C. The soils were collected from a tallgrass prairie restoration (farmland, and plots restored in 1993 and 1979), the semiarid shrub-steppe (cool, moist upper ...
... This paper presents the Port Blakely XT series, established in western Washington in the period 1948-1958. XT-1, 2 and 3 were designed to evaluate effects of repeated low thinning and extended harvest rotations. XT-7 compares the effects of different levels of removal on standing volume and wood quality. Periodic and mean annual increment trends have been examined for all four trials. Results from ...
... We used fossil pollen, charcoal, and sediment stratigraphy in three small hollows to investigate disturbance events and changes in the composition of riparian forests on a small section of the Queets River floodplain, Olympic Peninsula, Washington. The records ranged in age from approximately 500 years at two sites 300 and 550 m from the river, to 5000 years at a site 800 m from the river. Approxi ...
... Subalpine meadow communities are influenced by edaphic and microclimatic gradients, and should be affected by climate change that affects these local controls. We used pollen preserved in meadow soils to investigate the long-term interaction of these factors in a 1-ha subalpine meadow in the Olympic Mountains, Washington, USA. To describe the spatial scale at which soil pollen is related to neighb ...
... A variety of anaerobic bacteria have been shown to transfer electrons obtained from organic compound oxidation to the surface of electrodes in microbial fuel cells (MFCs) to produce current. Initial enrichments for iron (III) reducing bacteria were set up with sediments from the haloalkaline environment of Soap Lake, Washington, in batch cultures and subsequent transfers resulted in a culture that ...
intensive forestry; hybrids; root systems; Populus deltoides; soil properties; soil depth; clones; Populus trichocarpa; biomass production; density; crop rotation; roots
Abstract:
... Mean annual aboveground leafless biomass production averaged 14.8, 11.4, and 24.3 Mg ha-1 year-1 at harvest at 4 years of age for Populus trichocarpa Torr. & Gray. Populus deltoides Marsh., and P. trichocarpa x P. deltoides hybrids, respectively. These trees were planted at 1 x 1 m spacing on a medium- to coarse-textured alluvial soil in western Washington. Branches accounted for 13.2-20.3% of the ...
prediction; species reintroduction; Oncorhynchus kisutch; models; microhabitats; water temperature; fish; Cottus; indigenous species; body condition; Oncorhynchus clarkii; forests
Abstract:
... Recolonization by native species following reintroduction can affect resident species through a variety of processes. We examined the effects of natural recolonization by coho salmon Oncorhynchus kisutch on sculpin (Cottus rhotus and Cottus gulosus), small benthic fishes, in a small forest stream in Western Washington, USA. Provision fish passage around a small dam allowed coho access to habitat, ...
... The apple maggot fly, Rhagoletis pomonella (Walsh) (Diptera: Tephritidae), infests non-commercial apple (Malus domestica (Borkh.) Borkh.) and native black-fruited hawthorns (mostly Crataegus douglasii Lindl.) in central Washington, but little has been published on the abundance of the fly in this region. In this paper, the abundance of R. pomonella across different sites near apple-growing areas i ...
... The recently described rust hybrid Melampsora xcolumbiana was discovered as a result of its novel pathogenic variation on Populus trichocarpa x P. deltoides (TxD) hybrid poplar. To characterize this pathogenic variation, 10 commercial TxD clones, all F(1) clones, were chosen as host differentials. Fourteen mononuredinial isolates of Pacific Northwestern field collections of M. xcolumbiana, from 19 ...
health policy; academic degrees; health care workers; gender differences; rural health care; rural areas; professional education
Abstract:
... Context: The physician assistant profession has been moving toward requiring master's degrees for new practitioners, but some argue this could change the face of the discipline. Purpose: To see if there is an association between physician assistants' academic degrees and practice in primary care, in rural areas, and with the medically underserved. Methods: Surveys were sent to 880 graduates of the ...
... Leaf disk bioassays with the acaricides avermectin B1, fenbutatin oxide, and hexythiazox were conducted with the mite species Panonychus ulmi(Koch), Tetranychus urticae Koch, and T. mcdanieli McGregor collected from apple andpear orchards in Washington. The effects of length of the bioassay period and inclusion of mite walk-off in mortality used to estimate LC50's with fenbutatin oxide and avermec ...
... Acoustic surveys have become a common survey method for bats and other vocal taxa. Previous work shows that bat echolocation may be misidentified, but common analytic methods, such as occupancy models, assume that misidentifications do not occur. Unless rare, such misidentifications could lead to incorrect inferences with significant management implications. We fit a false‐positive occupancy model ...
... A caribou wearing an animal-borne video camera (a) and animal-borne video footage taken from systems deployed on mule deer (Odocoileus hemionus) in north-central Washington state, USA (b-d). When paired with tracking technology, animal-borne video can reveal detailed information about behaviour and environmental features at each location: (b) feeding, (c) vigilant in the open, (d) vigilant in cove ...
... Accurate digital terrain models (DTMs) are necessary for a variety of forest resource management applications, including watershed management, timber harvest planning, and fire management. Traditional methods for acquiring topographic data typically rely on aerial photogrammetry, where measurement of the terrain surface below forest canopy is difficult and error prone. The recent emergence of airb ...
rivers; image analysis; water quality; lakes; streams; water temperature; remote sensing; infrared spectroscopy; spectral analysis; accuracy; satellites
Abstract:
... Emitted thermal infrared radiation (TIR, lambda = 8 to 14 micrometer) can be used to measure surface water temperatures (top approximately 100 micrometer). This study evaluates the accuracy of stream (50 to 500 m wide) and lake (300 to 5,000 m wide) radiant temperatures (15 to 22 degrees C) derived from airborne (MASTER, 5 to 15 m) and satellite (ASTER 90 m, Landsat ETM+ 60 m) TIR images. Applied ...
... We assessed various combinations of storage factors: bag type, temperature, duration, and antifungal pre-storage treatments for white oak acorn storage, using Oregon white oak (Quercus garryana Douglas ex Hook. [Fagaceae]) acorns from 7 seed sources. Acorn viability remained high (84%), even after 2 y of refrigerated storage, but the majority of these acorns germinated between 6 and 12 mo after en ...
water quality criteria; acute toxicity; water quality; copper; bioavailability; calcium; developmental stages; lead; Acipenser transmontanus; guidelines; cadmium; models; water quality standards; river water; zinc; lethal concentration 50; sturgeon; Columbia River; British Columbia
Abstract:
... Populations of white sturgeon (Acipenser transmontanus) are in decline in North America. This is attributed, primarily, to poor recruitment, and white sturgeon are listed as threatened or endangered in several parts of British Columbia, Canada, and the United States. In the Columbia River, effects of metals have been hypothesized as possible contributing factors. Previous work has demonstrated tha ...
plant pathogenic bacteria; application timing; Erwinia amylovora; apples; Pseudomonas fluorescens; Pyrus communis; decision support systems; biological control agents; air temperature; flowers; bacterial diseases of plants; pears; Malus domestica; Pantoea agglomerans; heat sums; biological control; agricultural forecasts; Oregon
Abstract:
... We investigated adaptation of fire blight forecasting concepts to incorporate and optimize the use of biological agents for disease suppression. The effect of temperature on growth of the bacterial antagonists, Pseudomonas fluorescens A506 and Pantoea agglomerans C9-1S, and of the pathogen Erwinia amylovora153N, on pear and apple blossoms was evaluated in growth chamber and screenhouse experiments ...
landslides; national parks; public lands; snowmelt; funding; autumn; managers; roads; snowpack; expert opinion; national forests; climate change; snow; seasonal variation; soil water; spring; stakeholders; drainage; issues and policy; climate
Abstract:
... Research scientists collaborated with federal land managers of two national parks and two national forests to conduct a climate change vulnerability assessment and to identify adaptation strategies for a transportation network covering 28,900 km of roads and trails in north-central Washington, U.S.A. The assessment employed observations of sensitivity and response to climatic variability, downscal ...
Cydia pomonella; apples; field experimentation; mating disruption; microencapsulation; neonicotinoid insecticides; pears; sex pheromones; spinosad; toxicity
Abstract:
... BACKGROUND: The possibility of improving the efficacy of various insecticides for codling moth, Cydia pomonella (L.), by the addition of a microencapsulated formulation of pear ester, ethyl (2E, 4Z)‐2,4‐decadienoate (PE‐MEC, 5% AI), was evaluated in field trials in apple from 2005 to 2009. RESULTS: The addition of PE‐MEC (<3.0 g AI ha⁻¹) significantly lowered fruit injury with low rates of organop ...
DOUGLAS E. SOLTIS; EVGENY V. MAVRODIEV; STEPHEN C. MEYERS; PAUL M. SEVERNS; LINJING ZHANG; MATTHEW A. GITZENDANNER; TINA AYERS; MICHAEL CHESTER; PAMELA S. SOLTIS
... The allotetraploids (2nâ=â24) Tragopogon mirus and T.âmiscellus have become textbook examples of recently and recurrently formed allopolyploids. Both species formed following the introduction of three diploids, T.âdubius, T.âporrifolius and T.âpratensis (each with 2nâ=â12), from Europe into the Palouse region of eastern Washington and adjacent Idaho, USA, in the early 1900s. The pa ...
... Studies were conducted with codling moth, Cydia pomonella L., to fit cumulative curves for the occurrence of injured fruits and male moth catches in sex pheromone-baited traps as a function of accumulated degree-days after the start of moth flight. Twelve data sets were collected from seven apple, Malus domestica Bordhausen, orchards in Washington State from 2003 to 2006. Cumulative data were grou ...
... Curcuminoids are bioactive polyphenolics with potent antiinflammatory properties. Although several lines of in vitro and preclinical evidence suggest potent anticancer effects of curcuminoids, clinical findings have not been conclusive. The present randomized double‐blind placebo‐controlled trial aimed to evaluate the efficacy of curcuminoids as adjuvant therapy in cancer patients. Eighty subjects ...
sandy soils; tensiometers; infiltration (hydrology); vadose zone; sand; soil water movement
Abstract:
... Soil water pressures, measured over space and time, are needed to predict the direction of water flow and chemical transport in the vadose zone. Advanced tensiometers (ATs), which utilize a water-filled porous cup connected directly to a pressure transducer, can be installed at almost any location and depth using standard drilling techniques such as auger drilling, but these methods can significan ...
Donna B. Johnson; Allen Cheadle; Mary Podrabsky; Emilee Quinn; Erin MacDougall; Kerri Cechovic; Tricia Kovacs; Claire Lane; Marilyn Sitaker; Nadine Chan; Deborah Allen
laws and regulations; development policy; advocacy; sales; farms; nutrition policy; healthy diet; obesity
Abstract:
... Nutrition policy advocates have identified many evidence-based strategies that could improve the nutritional health of populations, but progress toward policy enactment is limited. Cross-sector collaboration is a time-tested way to advance the policy process. A group of advocates, practitioners, and researchers examined policy interests across nutrition, agriculture, and environmental sectors. The ...
sediments; uranium; sediment contamination; soil pollution; saturated conditions; soil water content; unsaturated conditions; soil transport processes; vadose zone; desorption
Abstract:
... Sedimentary, hydrologic, and geochemical variations in the Hanford subsurface environment, as well as compositional differences in contaminating waste streams, have created vast differences in the migration and mobility of U within the subsurface environment. A series of hydraulically saturated and unsaturated column experiments were performed to (i) assess the effect of water content on the advec ...
aerial application; application timing; bark beetles; forest stands; flakes; Dendroctonus pseudotsugae; stand structure; Pseudotsuga menziesii; stand basal area; application rate; forest pests; antiaggregation pheromones; insect control
Abstract:
... We tested methylcyclohexenone (MCH), an anti-aggregation pheromone for the Douglas-fir beetle (Dendroctonus pseudotsugae), for protection of Douglas-fir (Pseudotsuga menziesii) stands by applying MCH-releasing polymer flakes by helicopter twice during summer 2006 to five 4.05-ha plots in the State of Washington, USA. Five similar plots served as untreated controls. We assessed D. pseudotsugae flig ...
... Levels of Aeromonas hydrophila determined for the shellfish growing area of Grays Harbor, Washington, ranged from 3 to 4600/100 g in oysters and from 3 to 2400/100 ml in water. Of isolates tested, 80% produced a hemolysin, a trait reported to correlate with enterotoxin production and pathogenicity. Two enrichment broths, Tryptic Soy Broth with ampicillin (TSBA) and Modified Rimler Shotts Broth (MR ...
weight cycling; experimental design; dieting; women; models; risk factors; surveys; twins; body mass index; adults
Abstract:
... Objective: Using a twin study design, we sought to determine whether an early age at dieting onset is a risk factor for higher adult body mass index (BMI) or use of risky dieting practices, independent of genetic and familial factors. Method: Female twins ages 18–60years (N=950) from the University of Washington Twin Registry completed 2 surveys an average of 3years apart. Analyses of individual t ...
... The endangered Southern Resident Killer Whale (Orcinus orca, SRKW) is an iconic species in the Pacific Northwest. Although many ecological aspects of this population have been studied, why SRKW perform above-surface “percussive” behavior such as breaching, cartwheeling, pectoral-fin slapping, tail lobbing, and dorsal-fin slapping remains unclear. In the present study, we observed SRKW in Haro Stra ...
... The aggressiveness of 22 isolates of Phytophthora infestans collected from naturally infected potato plants in the Columbia Basin of Washington and Oregon was determined on detached potato leaflets at 18 degrees C in an incubator. Selected isolates were evaluated on whole plants in a greenhouse. Aggressiveness was measured by using the area under the lesion expansion curve (AULEC), incubation peri ...
... Photoperiod response impacts the adaptation of spring wheat (Triticum aestivum L.) to specific areas of the world. Both photoperiod sensitive (PS) and photoperiod insensitive (PI) cultivars are grown successfully in the northern regions of the western United States and the Canadian plains. The goal of the present experiment was to determine the relative performance of PI and PS genotypes as relate ...
cultivars; no-tillage; soil water content; profitability; costs and returns; dry environmental conditions; agronomic traits; Triticum aestivum; grain yield; winter wheat; crop rotation; cropping sequence; Northwestern United States
Abstract:
... Winter wheat (Triticum aestivum L.) (WW) rotated with dust-mulch summer fallow (WW/SF) has been the dominant production practice in the low-precipitation zone (<300 mm annual precipitation) of the Pacific Northwest (PNW) since the early 1900s. Over time, WW/SF has experienced several problems including severe wind erosion, increased pest problems and costs of production, and reduced crop yields. P ...
atmospheric deposition; ammonia; simulation models; forests; sulfur; air quality; lichens; plant communities; indicator species; nitrogen; bioavailability; epiphytes; climate change; species diversity; plant response; climate models; air pollution; environmental monitoring; Oregon
Abstract:
... Human activity is changing air quality and climate in the US Pacific Northwest. In a first application of non-metric multidimensional scaling to a large-scale, framework dataset, we modeled lichen community response to air quality and climate gradients at 1416 forested 0.4 ha plots. Model development balanced polluted plots across elevation, forest type and precipitation ranges to isolate pollutio ...
risk; prospective studies; lung neoplasms; monitoring; adenocarcinoma; squamous cell carcinoma; vitamins; lifestyle; red wines; white wines; beers
Abstract:
... The effect of alcoholic beverage consumption on lung cancer risk was investigated in the VITamins And Lifestyle (VITAL) Study. The VITAL study is a prospective cohort of residents aged 50–76 yr in Washington state. Five hundred and eighty incident lung cancer cases diagnosed between study baseline (2000–2002) and 2007 were identified among 66,186 participants without previous cancer through the Wa ...