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Filtering by: Publisher American Mathematical Society Remove constraint Publisher: American Mathematical Society Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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SNP-Based Differentiation of Phytophthora infestans Clonal Lineages Using Locked Nucleic Acid Probes and High-Resolution Melt Analysis

Creator:

Hansen, Zachariah R., Knaus, Brian J., Tabima, Javier F., Press, Caroline M., Judelson, Howard S., Grünwald, Niklaus J., and Smart, Christine D.

Abstract:

Phytophthora infestans, the cause of the devastating late blight disease of potato and tomato, exhibits a clonal reproductive lifestyle in North America. Phenotypes such as fungicide sensitivity and host preference are conserved among individuals within clonal lineages, while substantial phenotypic differences can exist between lineages. Whole P. infestans genomes were...

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© 2016 The American Phytopathological Society Plant Disease / July 2016 1297 used to discriminate
pA506, a Conjugative Plasmid of the Plant Epiphyte Pseudomonas fluorescens A506

Creator:

Stockwell, Virginia O., Davis, Edward W., II, Carey, Alyssa, Shaffer, Brenda T., Mavrodi, Dmitri V., Hassan, Karl A., Hockett, Kevin, Thomashow, Linda S., Paulsen, Ian T., and Lopera, Joyce E.

Abstract:

Conjugative plasmids are known to facilitate the acquisition and dispersal of genes contributing to the fitness of Pseudomonas spp. Here, we report the characterization of pA506, the 57-kb conjugative plasmid of Pseudomonas fluorescens A506, a plant epiphyte used in the United States for the biological control of fire blight disease...

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-13. Copyright © 2013, American Society for Microbiology. All Rights Reserved. doi:10.1128/AEM.01354
Pathogenicity and Virulence of Pythium Species Obtained from Forest Nursery Soils on Douglas-Fir Seedlings

Creator:

Weiland, Jerry E., Beck, Bryan R., and Davis, Anne

Abstract:

Pythium species are common soilborne oomycetes that occur in forest nursery soils throughout the United States. Numerous species have been described from nursery soils. However, with the exception of P. aphanidermatum, P irregulare, P. sylvaticum, and P ultimum, little is known about the potential for other Pythium species found in...

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reprinted with customary crediting of the source. The American Phytopatho- logical Society, 2013. Plant
Sclerotinia Wilt of Hop (Humulus lupulus) Caused by Sclerotinia sclerotiorum in the Pacific Northwest United States

Creator:

Kropf, S. M., Putnam, M. L., Serdani, M., Twomey, M. C., Woods, J. L., and Gent, D. H.

Abstract:

In June 2009, wilted hop bines were observed in a yard in Marion County, OR. The wilt was associated with a stem rot that occurred ∽1 m from the ground near the point where bines are tied together for horticultural purposes. Samples of affected stems were submitted to the Oregon...

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Article
Effect of Tannic Acid on the Transcriptome of the Soil Bacterium Pseudomonas protegens Pf-5

Creator:

Lim, Chee Kent, Penesyan, Anahit, Hassan, Karl A., Loper, Joyce E., and Paulsen, Ian T.

Abstract:

Tannins are a diverse group of plant-produced, polyphenolic compounds with metal-chelating and antimicrobial properties that are prevalent in many soils. Using transcriptomics, we determined that tannic acid, a form of hydrolysable tannin, broadly affects the expression of genes involved in iron and zinc homeostases, sulfur metabolism, biofilm formation, motility, and...

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Article

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article may be found at http://dx.doi.org/10.1128 /AEM.03101-12. Copyright © 2013, American Society for
Ferric-Pyoverdine Recognition by Fpv Outer Membrane Proteins of Pseudomonas protegens Pf-5

Creator:

Hartney, Sierra L., Mazurier, Sylvie, Girard, Maeva K., Mehnaz, Samina, Davis, Edward W. II, Gross, Harald, Lemanceau, Philippe, and Loper, Joyce E.

Abstract:

The soil bacterium Pseudomonas protegens Pf-5 (previously called P. fluorescens Pf-5) produces two siderophores, enantio-pyochelin and a compound in the large and diverse pyoverdine family. Using high-resolution mass spectroscopy, we determined the structure of the pyoverdine produced by Pf-5. In addition to producing its own siderophores, Pf-5 also utilizes ferric...

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.01639-12. Copyright © 2013, American Society for Microbiology. All Rights Reserved. doi:10.1128/JB
Virus-Derived Gene Expression and RNA Interference Vector for Grapevine

Creator:

Kurth, Elizabeth G., Peremyslov, Valera V., Prokhnevsky, Alexey I., Kasschau, Kristin D., Miller, Marilyn, Carrington, James C., and Dolja, Valerian V.

Abstract:

The improvement of the agricultural and wine-making qualities of the grapevine (Vitis vinifera) is hampered by adherence to traditional varieties, the recalcitrance of this plant to genetic modifications, and public resistance to genetically modified organism (GMO) technologies. To address these challenges, we developed an RNA virus-based vector for the introduction...

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, American Society for Microbiology. All Rights Reserved. doi:10.1128/JVI.00436-12 The authors have paid a
Sensitivity of Disease Management Decision Aids to Temperature Input Errors Associated with Sampling Interval and Out-of-Canopy Sensor Placement

Creator:

Pfender, W. F., Gent, D. H., and Mahaffee, W. F.

Abstract:

Many plant disease epidemic models, and the disease management decision aids developed from them, are created based on temperature or other weather conditions measured in or above the crop canopy at intervals of 15 or 30 min. Disease management decision aids, however, commonly are implemented based on hourly weather measurements...

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copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopatho
Effects of the Mycoparasite Sphaerellopsis filum on Overwintering Survival of Stem Rust in Perennial Ryegrass

Creator:

Gordon, T. C. and Pfender, W. F.

Abstract:

Sphaerellopsis filum is a mycoparasite of Puccinia graminis subsp. graminicola, a rust fungus that causes widespread crop damage on perennial ryegrass grown for seed. In observations taken over the winter months, S. filum was found naturally colonizing 2% of P. graminis subsp. graminicola uredinia on first-year plantings and 25% of...

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customary crediting of the source. The American Phytopatho- logical Society, 2012. 1472 Plant Disease
Association of Spring Pruning Practices with Severity of Powdery Mildew and Downy Mildew on Hop

Creator:

Gent, David H., Nelson, Mark E., Grove, Gary G., Mahaffee, Walter F., Turechek, William W., and Woods, Joanna L.

Abstract:

Downy mildew (caused by Pseudoperonospora humuli) and powdery mildew (caused by Podosphaera macularis) are important diseases of hop in the Pacific Northwest United States, and cultural practices may affect the severity of both diseases. The association of spring pruning quality and timing with severity of downy mildew and powdery mildew...

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Article

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be freely reprinted with customary crediting of the source. The American Phytopatho- logical Society

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Botany and Plant Pathology[remove]31
Wood Science and Engineering1

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Carrington, James C.9
Dolja, Valerian V.3
Jaiswal, Pankaj3
Peremyslov, Valera V.3
Arp, Daniel J.2
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