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Instructions for cooperative observers : circulars B and C, Instrument Division

Creator:: United States. Weather Bureau
Abstract:: 9th edition (Revised 1941)
Resource Type:: Technical Report
Full Text:: Observers CIRCULARS B AND C, INSTRUMENT DIVISION Ninth Edition (Rerised 1941) Thermometer shelter and

The white-pine weevil

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The Bureau of Entomology has been conducting systematic and economic investigations of the weevils infesting the bark of the trunk and terminal shoots of conifers in the United States, the results of which will be published in the regular technical and popular bulletins ; but since these can not be...
Resource Type:: Technical Report
Full Text:: the regular technical and popular bulletins ; but since C b FIG. 1.—White-pine weevil (Pissocles

Using Resilience and Resistance Concepts to Manage Threats to Sagebrush Ecosystems, Gunnison Sage-Grouse, and Greater Sage-Grouse in Their Eastern Range: A Strategic Multi-Scale Approach

Creator:: Chambers, J. C.
Abstract:: This report provides a strategic approach developed by a Western Association of Fish and Wildlife Agencies interagency working group for conservation of sagebrush ecosystems, Greater sage-grouse, and Gunnison sage-grouse. It uses information on (1) factors that influence sagebrush ecosystem resilience to disturbance and resistance to nonnative invasive annual grasses and...
Resource Type:: Technical Report
Full Text:: /high temp High Low L a n d s c a p e D o m in a n c e B Life Form Dominance Grasses

Afternoon Ascospore Release in Claviceps purpurea Optimizes Perennial Ryegrass Infection

Creator:: Alderman, Stephen C., Walenta, Darrin L., Hamm, Philip B., Martin, Ruth C., Dung, Jeremiah, and Kosman, Evsey
Abstract:: In Kentucky bluegrass (Poa pratensis), Claviceps purpurea, the causal agent of ergot, typically releases ascospores during the early-morning hours, between about midnight and 10:00 A.M., corresponding to time of flowering, when the unfertilized ovaries are most susceptible to infection. During aeromycology studies of C. purpurea in perennial ryegrass (Lolium perenne)...
Resource Type:: Article

The preservation of fence posts

Creator:: Obye, H. C.
Resource Type:: Undergraduate Thesis
Full Text:: . c. The :5> is) THE PRESERVATION OF FENCE POSTS Introduction . 1957 ) I I

Distribution and Characterization of Podosphaera macularis Virulent on Hop Cultivars Possessing R6-Based Resistance to Powdery Mildew

Creator:: Wolfenbarger, Sierra N., Massie, Stephen T., Ocamb, Cynthia, Eck, Emily B., Grove, Gary G., Nelson, Mark E., Probst, Claudia, Twomey, Megan C., and Gent, David H.
Abstract:: Host resistance, both quantitative and qualitative, is the preferred long-term approach for disease management in many pathosystems, including powdery mildew of hop (Podosphaera macularis). In 2012, an epidemic of powdery mildew occurred in Washington and Idaho on previously resistant cultivars whose resistance was putatively based on the gene designated R6....
Resource Type:: Article

Utilization of black locust

Creator:: Cuno, J. B. (John Brown), 1894- and United States. Department of Agriculture
Abstract:: The wood of black locust, Robinia pseudoacacia, is used chiefly for insulator pins, wagon hubs, treenails, fence posts, and mine timbers. For these uses it is admirable because of its hardness, strength, and durability. A valuable characteristic of the tree is its rapid growth on many types of soils during...
Resource Type:: Technical Report
Full Text:: AGRICULTUR E WASHINGTON, D. C . UTILIZATION OF BLACK LOCUST By JOHN B . Cuxo Associate Wood Technologist

A new species of western Atlantic lizardfish (Teleostei: Synodontidae: Synodus) and resurrection of Synodus bondi Fowler, 1939, as a valid species from the Caribbean with redescriptions of S. bondi, S. foetens (Linnaeus, 1766), and S. intermedius (Agassiz, 1829)

Creator:: Frable, Benjamin W., Baldwin, Carole C., Luther, Brendan M., and Weigt, Lee A.
Abstract:: Western Atlantic synodontid species were studied as part of an ongoing effort to reanalyze Caribbean shorefish diversity. A neighbor-joining tree constructed from cytochrome c oxidase I (COI) data revealed 2 highly divergent genetic lineages within both Synodus intermedius (Agassiz, 1829) (Sand Diver) and S. foetens (Linnaeus, 1766) (Inshore Lizardfish). A...
Resource Type:: Article
Full Text:: SL, coloration of preserved specimen. A B C D 20 mm 20 mm 20 mm 20 mm Frable et al

Evidence for xylem embolism as a primary factor in dehydration-induced declines in leaf hydraulic conductance

Creator:: Johnson, Daniel M., McCulloh, Katherine A., Woodruff, David R., and Meinzer, Frederick C.
Abstract:: Hydraulic conductance of leaves (K[subscript leaf]) typically decreases with increasing water stress and recent studies have proposed different mechanisms responsible for decreasing K[subscript leaf]. We measured K[subscript leaf] concurrently with ultrasonic acoustic emissions (UAEs) in dehydrating leaves of several species to determine whether declining K[subscript leaf] was associated with xylem...
Resource Type:: Article
Full Text:: acoustic emissions in (a) Corylus cornuta, (b) Rhododendron macrophyllum, (c) Quercus garryana and (d

Seasonal and interannual variation in juvenile salmonids and associated fish assemblage in open waters of the lower Columbia River estuary

Creator:: Weitkamp, Laurie A., Bentley, Paul J., and Litz, Marisa N. C.
Abstract:: The transition between freshwater and marine environments is associated with high mortality for juvenile anadromous salmonids, yet little is known about this critical period in many large rivers. To address this deficiency, we investigated the estuarine ecology of juvenile salmonids and their associated fish assemblage in open-water habitats of the...
Resource Type:: Article
Full Text:: Laurie A. Weitkamp (contact author)1 Paul J. Bentley2 Marisa N. C. Litz3 Email address for contact

ScholarsArchive@OSU

Instructions for cooperative observers : circulars B and C, Instrument Division

The white-pine weevil

Using Resilience and Resistance Concepts to Manage Threats to Sagebrush Ecosystems, Gunnison Sage-Grouse, and Greater Sage-Grouse in Their Eastern Range: A Strategic Multi-Scale Approach

Afternoon Ascospore Release in Claviceps purpurea Optimizes Perennial Ryegrass Infection

The preservation of fence posts

Distribution and Characterization of Podosphaera macularis Virulent on Hop Cultivars Possessing R6-Based Resistance to Powdery Mildew

Utilization of black locust

A new species of western Atlantic lizardfish (Teleostei: Synodontidae: Synodus) and resurrection of Synodus bondi Fowler, 1939, as a valid species from the Caribbean with redescriptions of S. bondi, S. foetens (Linnaeus, 1766), and S. intermedius (Agassiz, 1829)

Evidence for xylem embolism as a primary factor in dehydration-induced declines in leaf hydraulic conductance

Seasonal and interannual variation in juvenile salmonids and associated fish assemblage in open waters of the lower Columbia River estuary

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