Index Catalog // ScholarsArchive@OSU

Small RNA binding is a common strategy to suppress RNA silencing by several viral suppressors

Creator:: Lakatos, Lóránt, Csorba, Tibor, Pantaleo, Vitantonio, Chapman, Elisabeth J., Carrington, James C., Liu, Yu-Ping, Dolja, Valerian V., Calvino, Lourdes Fernández, López-Moya, Juan José, and Burgyán, József
Abstract:: RNA silencing is an evolutionarily conserved system that functions as an antiviral mechanism in higher plants and insects. To counteract RNA silencing, viruses express silencing suppressors that interfere with both siRNA- and microRNA-guided silencing pathways. We used comparative in vitro and in vivo approaches to analyse the molecular mechanism of...
Resource Type:: Article
Full Text:: López-Moya5 and József Burgyán1,* 1Agricultural Biotechnology Center, Plant Biology Institute

Plant-Pollinator Interactions in a Changing World: Cryptic Specialization, Pollinator Movement, and Landscape Genetics of Pollinator-Dependent Plants

Creator:: Gannon, Dustin G.
Abstract:: Plant-pollinator mutualisms are one of the most prevalent and economically important mutualisms in nature. Like many other ecological systems, plant-pollinator communities are threatened by anthropogenic activity, both directly (e.g., habitat conversion and fragmentation) and indirectly (e.g., climate change). While we are aware of many of the activities that adversely impact...
Resource Type:: Dissertation
Full Text:: Jirka for creating such a fun and loving space in which to learn biology and chemistry. I likely would

Physiological ecology and structure of benthic communities in a woodland stream

Creator:: Reese, Weldon Harold
Abstract:: This thesis reports a portion of a general ecological study of a stream under conditions of controlled flow and low levels of organic enrichment. It is concerned with the effects of experimental variations of light intensity and concentration of soluble organic enrichment imposed on seasonal variations of temperature and total...
Resource Type:: Dissertation
Full Text:: ). Numerous other contributions have been made toward a better understanding of the biology of polluted

Biology of chlamydospores of Phytophthora ramorum

Creator:: Smith, Aaron Lee
Abstract:: The chlamydospore is a survival spore produced by 35 of the 75 described species of Phytophthora. Phytophthora ramorum Werres, de Cock & Man in't Veld, the causal agent of Sudden Oak Death (SOD), produces abundant chlamydospores in artificial culture and plant tissue. The chlamydospore is likely the most important survival...
Resource Type:: Masters Thesis
Full Text:: Pathology presented on April 24, 2007. Title: Biology of Chlamydospores of Phytophthora ramorum

Biology of sweet cherry powdery mildew

Creator:: Calabro, Jill M.
Abstract:: The Pacific Northwest has become one of the nation’s premier sweet cherry, Prunus avium, production areas. As production of sweet cherries has flourished in Oregon and Washington, so has powdery mildew, caused by the fungus Podosphaera clandestina, which infects both foliage and fruit causing severe economic damage to growers. Sweet...
Resource Type:: Dissertation
Full Text:: presented on April 13, 2007. Title: Biology of Sweet Cherry Powdery Mildew Abstract approved

Below ground biology of Botrychium pumicola (Ophioglossaceae)

Creator:: Camacho, Francisco J.
Resource Type:: Dissertation
Full Text:: Below ground biology of Botrychium pumicola (Ophioglossaceae

Demography and Reproduction of Erigeron decumbens var. decumbens, 1993-1994 Field Studies

Creator:: Ingersoll, Cheryl A., Finley, Karen K., and Clark, Deborah Louise, 1950-
Abstract:: Erigeron decumbens var. decumbens, the Willamette Daisy, is endemic to the Willamette Valley of Oregon. This taxon is a Category 1 Candidate for listing under the federal Endangered Species Act (U.S. Fish and Wildlife Service 1990) and is listed as Endangered under Oregon state law. Herbarium records indicate that E....
Resource Type:: Technical Report
Full Text:: Agriculture Plant Conservation Biology Program 635 Capitol Street NE Salem, Oregon 1 April 1995

Population Density and Phenology of Tetranychus urticae (Acari: Tetranychidae) in Hop is Linked to the Timing of Sulfur Applications

Creator:: Woods, J. L., Dreves, A. J., Fisher, Glenn C., James, David G., Wright, Larry C., and Gent, D. H.
Abstract:: The twospotted spider mite, Tetranychus urticae Koch, is a worldwide pest of numerous agronomic and horticultural plants. Sulfur fungicides are known to induce outbreaks of this pest on several crops, although mechanisms associated with sulfur-induced mite outbreaks are largely unknown. Studies were conducted during 2007–2009 in Oregon and Washington hop...
Resource Type:: Article
Full Text:: PEST MANAGEMENT Population Density and Phenology of Tetranychus

Regeneration biology of Erigeron decumbens var. decumbens, an endangered plant of the Willamette Valley

Creator:: Clark, Deborah Louise, 1950-, Finley, Karen K., and Ingersoll, Cheryl A.
Abstract:: Erigeron decumbens var. decumbens, the Willamette daisy, is known only from the Willamette Valley of Oregon. Herbarium records, from the 1800's until 1934, indicate that the Willamette daisy was once common and widely distributed throughout the Willamette Valley (Clark et al. 1993). However, between 1934 and 1980, this taxon was...
Resource Type:: Technical Report
Full Text:: REGENERATION BIOLOGY OF ERIGERON DECUMBENS VAR. DECUMBENS

Biology and Demographics of Phylloxera in Western Oregon

Creator:: Strik, Bernadine C., Connelly, Anne, Fisher, Glenn, and Granett, Jeffrey
Abstract:: Since phylloxera's discovery in a commercial vineyard in August of 1990, nine infestations have been verified in Oregon. With over 95% of Oregon's vineyards planted with ownrooted, Vitis vinifera, non-resistant vines, understanding the insect's biology under our conditions has become important for determining management strategies that minimize rate of spread....
Resource Type:: Technical Report
Full Text:: Biology and Demographics of Phylloxera in Western Oregon Anne Connelly and Bernadine Strik, Department

ScholarsArchive@OSU

Small RNA binding is a common strategy to suppress RNA silencing by several viral suppressors

Plant-Pollinator Interactions in a Changing World: Cryptic Specialization, Pollinator Movement, and Landscape Genetics of Pollinator-Dependent Plants

Physiological ecology and structure of benthic communities in a woodland stream

Biology of chlamydospores of Phytophthora ramorum

Biology of sweet cherry powdery mildew

Below ground biology of Botrychium pumicola (Ophioglossaceae)

Demography and Reproduction of Erigeron decumbens var. decumbens, 1993-1994 Field Studies

Population Density and Phenology of Tetranychus urticae (Acari: Tetranychidae) in Hop is Linked to the Timing of Sulfur Applications

Regeneration biology of Erigeron decumbens var. decumbens, an endangered plant of the Willamette Valley

Biology and Demographics of Phylloxera in Western Oregon

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