Search Results - "Stockwell, V O"

Antibiosis Activity of Pantoea agglomerans Biocontrol Strain E325 Against Erwinia amylovora on Apple Flower Stigmas by Pusey, P.L, Stockwell, V.O, Reardon, C.L, Smits, H.M, Duffy, B

“…Pantoea agglomerans E325, the active ingredient in a commercial product for fire blight control, was previously shown in vitro to produce a unique alkaline-…”
Get full text

Control of Fire Blight by Pseudomonas fluorescens A506 and Pantoea vagans C9-1 Applied as Single Strains and Mixed Inocula by Stockwell, V.O, Johnson, K.B, Sugar, D, Loper, J.E

“…The biological control agents Pseudomonas fluorescens A506 and Pantoea vagans C9-1 were evaluated individually and in combination for the suppression of fire…”
Get full text

Mechanistically Compatible Mixtures of Bacterial Antagonists Improve Biological Control of Fire Blight of Pear by Stockwell, V.O, Johnson, K.B, Sugar, D, Loper, J.E

“…Mixtures of biological control agents can be superior to individual agents in suppressing plant disease, providing enhanced efficacy and reliability from field…”
Get full text

Improved deferred antagonism technique for detecting antibiosis by Klein, J.M., Stockwell, V.O., Minsavage, G.V., Vallad, G.E., Goss, E.M., Jones, J.B.

“…The deferred antagonism technique has been utilized for several decades for detecting antibiosis activity. Most protocols require the elimination of…”
Get full text

Use of antibiotics in plant agriculture by Stockwell, V O, Duffy, B

“…Antibiotics are essential for control of bacterial diseases of plants, especially fire blight of pear and apple and bacterial spot of peach. Streptomycin is…”
Get full text

Antibiosis and Acidification by Pantoea agglomerans Strain E325 May Contribute to Suppression of Erwinia amylovora by Pusey, P.L, Stockwell, V.O, Rudell, D.R

“…Pantoea agglomerans strain E325, a commercially available antagonist for fire blight of apple and pear, was originally selected through screening based on…”
Get full text

Management of fire blight: a case study in microbial ecology by Johnson, K.B. (Oregon State University, Corvallis, OR.), Stockwell, V.O

“…Suppression of the blossom-blight phase of fire blight is a key point in the management of this destructive and increasingly important disease of apple and…”
Get full text

Implications of Pathogenesis by Erwinia amylovora on Rosaceous Stigmas to Biological Control of Fire Blight by Johnson, K.B, Sawyer, T.L, Stockwell, V.O, Temple, T.N

“…As a prerequisite to infection of flowers, Erwinia amylovora grows epiphytically on stigmas, which provide a conducive habitat for bacterial growth. Stigmas…”
Get full text

Antibiosis contributes to biological control of fire blight by Pantoea agglomerans strain Eh252 in Orchards by STOCKWELL, V. O, JOHNSON, K. B, SUGAR, D, LOPER, J. E

“…ABSTRACT Fire blight, caused by Erwinia amylovora, is the most serious bacterial disease of pear and apple trees. Biological control with strains of Pantoea…”
Get full text

Pantoea clinical isolates cannot be accurately assigned to species based on metabolic profiling by Rezzonico, F., Stockwell, V.O., Tonolla, M., Duffy, B., Smits, T.H.M.

Get full text

Assessment of environmental factors influencing growth and spread of Pantoea agglomerans on and among blossoms of pear and apple by JOHNSON, K. B, STOCKWELL, V. O, SAWYER, T. L, SUGAR, D

“…ABSTRACT We evaluated effects of both physical and biological components of the environment on growth of Pantoea agglomerans on inoculated pear and apple…”
Get full text

Inoculation of Malus genotypes with a set of Erwinia amylovora strains indicates a gene‐for‐gene relationship between the effector gene eop1 and both Malus floribunda 821 and Malus ‘Evereste’ by Wöhner, T.W., Richter, K., Sundin, G. W., Zhao, Y., Stockwell, V. O., Sellmann, J., Flachowsky, H., Hanke, M.‐V., Peil, A.

“…The Gram‐negative bacterium Erwinia amylovora, causal agent of fire blight disease in pome fruit trees, encodes a type three secretion system (T3SS) that…”
Get full text

Establishment of bacterial antagonists of Erwinia amylovora on pear and apple blossoms as influenced by inoculum preparation by Stockwell, V.O. (USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR.), Johnson, K.B, Loper, J.E

“…The influence of inoculum preparation on the establishment of bacterial antagonists that suppress fire blight and Erwinia amylovora on blossoms was evaluated…”
Get full text

Lon Protease Influences Antibiotic Production and UV Tolerance of Pseudomonas fluorescens Pf-5 by WHISTLER, C. A, STOCKWELL, V. O, LOPER, J. E

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
Get full text

Epiphytic colonization of pear stigmas and hypanthia by bacteria during primary bloom by STOCKWELL, V. O, MCLAUGHLIN, R. J, HENKELS, M. D, LOPER, J. E, SUGAR, D, ROBERTS, R. G

“…ABSTRACT Pear blossoms were sampled during various stages of bloom in 1991 and 1992 from orchards at Cashmere, WA, and Corvallis and Medford, OR, for epiphytic…”
Get full text

Overview of concerns surrounding antibiotic use for control of fire blight by Stockwell, V. O

“…The antibiotic streptomycin was first used for control of fire blight of pear and apple in the 1950s and quickly became an important tool for management of…”
Get full text

Breeding for fire blight resistance and sterility in Cotoneaster by Contreras, R, Rothleutner, J, Stockwell, V. O

“…Cotoneaster is a genus of over 400 species in the apple subfamily (Maloideae) commonly used as ornamental landscape plants. Many species are extremely drought…”
Get full text

Compatibility of bacterial antagonists of Erwinia amylovora with antibiotics used to control fire blight by STOCKWELL, V. O, JOHNSON, K. B, LOPER, J. E

“…In field experiments, two bacterial antagonists that suppress fire blight, Pseudomonas fluorescens strain A506 and a streptomycin-resistant mutant of Erwinia…”
Get full text

Fate of Agrobacterium radiobacter K84 in the environment by Stockwell, V.O, Moore, L.W, Loper, J.E

“…Agrobacterium radiobacter K84 is an effective, commercially applied, biological control agent for the plant disease crown gall, yet little is known about the…”
Get full text

Transfer of pAgK84 from the biocontrol agent Agrobacterium radiobacter K84 to A. tumefaciens under field conditions by Stockwell, V.O. (Horticultural Crops Research Laboratory, ARS, USDA, Corvallis, OR.), Kawalek, M.D, Moore, L.W, Loper, J.E

“…Agrobacterium radiobacter strain K84 effects biological control of crown gall disease caused by A. tumefaciens in part by the plasmid-conferred production of…”
Get full text