Index Catalog // ScholarsArchive@OSU

Identification of Phytophthora infestans US-8 lineage through genetic markers

Creator:: Fritz, Eric and Knaus, Brian
Resource Type:: Presentation
Full Text:: Primer set-up for Supercontig_1.1_15563 Erin J Walker and Katherine A Siminovitch, Nature Clinical

Genome sequences of Phytophthora enable translational plant disease management and accelerate research

Creator:: Grünwald, Niklaus J.
Abstract:: Des séquences entières ou partielles de génomes deviennent de plus en plus accessibles. En ce qui concerne plusieurs systèmes plante-agent pathogène, nous abordons l’ère du recéquençage du génome. Les premiers génomes de Phytophthora, P. ramorum et P. sojae, ont été disponibles à partir de 2004, suivis de près par celui...
Resource Type:: Article
Full Text:: management and accelerate research NIKLAUS J. GRÜNWALD Horticultural Crops Research Laboratory, USDA

Oregon and Eldorado; or, Romance of the rivers [Columbia and Amazon]

Creator:: Bulfinch, Thomas, 1796-1867
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: AGE OF FABLE," "THE AGE OF CHJVALRY/' BTC. BOSTON: J. E. TILTON AND COMPANY. I 866. Entered

Phytophthora Community Structure Analyses in Oregon Nurseries Inform Systems Approaches to Disease Management

Creator:: Parke, Jennifer L., Knaus, Brian J., Fieland, Valerie J., Lewis, Carrie, and Grünwald, Niklaus J.
Abstract:: Nursery plants are important vectors for plant pathogens. Understanding what pathogens occur in nurseries in different production stages can be useful to the development of integrated systems approaches. Four horticultural nurseries in Oregon were sampled every 2 months for 4 years to determine the identity and community structure of Phytophthora...
Resource Type:: Article
Full Text:: L. Parke, Brian J. Knaus, Valerie J. Fieland, Carrie Lewis, and Niklaus J. Grünwald First and

A Systems Approach for Management of Pests and Pathogens of Nursery Crops

Creator:: Parke, Jennifer L. and Gruenwald, Niklaus J.
Abstract:: Horticultural nurseries are heterogeneous and spatially complex agricultural systems, which present formidable challenges to management of diseases and pests. Moreover, nursery plants shipped interstate and internationally can serve as important vectors for pathogens and pests that threaten both agriculture and forestry. Current regulatory strategies to prevent this movement of pathogens...
Resource Type:: Article
Full Text:: & Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331 Niklaus J

Lichens of the H. J. Andrews Experimental Forest : preliminary checklist

Creator:: Pike, Lawrence Herbert, 1943-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Forty-nine genera and ninty-eight species of Lichenized fungi are reported from the H. J. Andrews Experimental Forest (Oregon). Substrates, growth form, and type of phycobiont are indicated for each taxon.
Resource Type:: Technical Report
Full Text:: I. TI1 ::AL RI ;`"lT LICITF1NNS OF TIIE II. J. ANDREWS

Poppr: an R package for genetic analysis of populations with clonal, partially clonal, and/or sexual reproduction

Creator:: Kamvar, Zhian N., Tabima, Javier F., and Grünwald, Niklaus J.
Abstract:: Many microbial, fungal, or oomcyete populations violate assumptions for population genetic analysis because these populations are clonal, admixed, partially clonal, and/or sexual. Furthermore, few tools exist that are specifically designed for analyzing data from clonal populations, making analysis difficult and haphazard. We developed the R package poppr providing unique tools...
Resource Type:: Article
Full Text:: /or sexual reproduction Zhian N. Kamvar1, Javier F. Tabima1 and Niklaus J. Grünwald1,2 1 Department

Expansion and Divergence of Argonaute Genes in the Oomycete Genus Phytophthora

Creator:: Bollmann, Stephanie R., Press, Caroline M., Tyler, Brett M., and Grunwald, Niklaus J.
Abstract:: Modulation of gene expression through RNA interference is well conserved in eukaryotes and is involved in many cellular processes. In the oomycete Phytophthora, research on the small RNA machinery and function has started to reveal potential roles in the pathogen, but much is still unknown. We examined Argonaute (AGO) homologs...
Resource Type:: Article
Full Text:: *Correspondence: Niklaus J. Grünwald nik.grunwald@ars.usda.gov †Present address: Stephanie R. Bollmann

Sensitivity of Pythium irregulare, P. sylvaticum, and P. ultimum from Forest Nurseries to Mefenoxam and Fosetyl-Al, and Control of Pythium Damping-off

Creator:: Weiland, Jerry E., Santamaria, Luisa, and Grünwald, Niklaus J.
Abstract:: Mefenoxam and fosetyl-Al are common fungicides used to supplement disease control of Pythium damping-off and root rot in forest nurseries of the western United States. However, it is unknown whether fungicide-resistant Pythium isolates are present or whether new fungicide and biological treatments might also provide supplemental disease control. Isolates of...
Resource Type:: Article
Full Text:: , Oregon State University; and Niklaus J. Grünwald, USDA-ARS Horticulture Crops Research Labora- tory and

Rendimiento de Papa en Funcion de Epidemia por Tizon Tardio (Phytophthora infestans Mont. de Bary)

Creator:: Romero Montes, Gaspar, Lozoya Saldana, Hector, Mora Aguilera, Gustavo, Fernandez Pavia, Sylvia, and Gruenwald, Niklaus J.
Abstract:: SEE ARTICLE FOR ABSTRACT IN SPANISH. English Abstract: In order to study the quantitative relationship between tuber yield of two potato (Solanum tuberosum L.) cultivars (‘Alpha’, susceptible, and ‘Zafiro’, moderately resistant to late blight), and severity of the pathogen in Toluca, México, managed by weekly foliar sprays of 0.575 kg...
Resource Type:: Article
Full Text:: , Héctor Lozoya Saldaña2*, Gustavo Mora Aguilera3, Sylvia Fernández Pavia4 y Niklaus J. Grünwald5 1BASF

ScholarsArchive@OSU

Identification of Phytophthora infestans US-8 lineage through genetic markers

Genome sequences of Phytophthora enable translational plant disease management and accelerate research

Oregon and Eldorado; or, Romance of the rivers [Columbia and Amazon]

Phytophthora Community Structure Analyses in Oregon Nurseries Inform Systems Approaches to Disease Management

A Systems Approach for Management of Pests and Pathogens of Nursery Crops

Lichens of the H. J. Andrews Experimental Forest : preliminary checklist

Poppr: an R package for genetic analysis of populations with clonal, partially clonal, and/or sexual reproduction

Expansion and Divergence of Argonaute Genes in the Oomycete Genus Phytophthora

Sensitivity of Pythium irregulare, P. sylvaticum, and P. ultimum from Forest Nurseries to Mefenoxam and Fosetyl-Al, and Control of Pythium Damping-off

Rendimiento de Papa en Funcion de Epidemia por Tizon Tardio (Phytophthora infestans Mont. de Bary)

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