Search Results - "Upper, D"

Bacteria in the leaf ecosystem with emphasis on Pseudomonas syringae : a pathogen, ice nucleus, and epiphyte by HIRANO, Susan S, UPPER, Christen D

“…The extremely large number of leaves produced by terrestrial and aquatic plants provide habitats for colonization by a diversity of microorganisms. This review…”
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A simulation model for epidemics of stem rust in ryegrass seed crops by Pfender, W F, Upper, D

“…A simulation model (STEMRUST_G, named for stem rust of grasses) was created for stem rust (caused by Puccinia graminis subsp. graminicola) in perennial…”
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Factors Contributing to Seasonal Fluctuations in Rust Severity on Ribes missouriense Caused by Cronartium ribicola by Newcomb, Maria, Upper, Christen D, Rouse, Douglas I

“…Cronartium ribicola, causal agent of white pine blister rust, is a macrocyclic heteroecious rust that cycles between white pines and members of the genus…”
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Role of the Hrp type III protein secretion system in growth of Pseudomonas syringae pv. syringae B728a on host plants in the field by Hirano, S.S, Charkowski, A.O, Collmer, A, Willis, D.K, Upper, C.D

“…hrp genes are reportedly required for pathogenicity in Pseudomonas syringae pv. syringae (Pss) and other phytopathogenic bacterial species. A subset of these…”
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Raindrop momentum triggers growth of leaf-associated populations of Pseudomonas syringae on field-grown snap bean plants by Hirano, S.S. (University of Wisconsin, Madison, WI.), Baker, L.S, Upper, C.D

“…Observational and microclimate modification experiments were conducted under field conditions to determine the role of the physical environment in effecting…”
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Plant-Pathogenic Bacteria as Biological Weapons - Real Threats by Young, J.M, Allen, C, Coutinho, T, Denny, T, Elphinstone, J, Fegan, M, Gillings, M, Gottwald, T.R, Graham, J.H, Iacobellis, N.S, Janse, J.D, Jacques, M.A, Lopez, M.M, Morris, C.E, Parkinson, N, Prior, P

“…At present, much attention is being given to the potential of plant pathogens, including plant-pathogenic bacteria, as biological weapons/bioterror weapons…”
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Factors that affect spread of Pseudomonas syringae in the phyllosphere by Upper, C.D, Hirano, S.S, Dodd, K.K, Clayton, M.K

“…Successful spread of an organism to a new habitat requires both immigration to and growth on that habitat. Field experiments were conducted to determine the…”
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Contribution of the Regulatory Gene lemA to Field Fitness of Pseudomonas syringae pv. syringae by HIRANO, S. S, OSTERTAG, E. M, SAVAGE, S. A, BAKER, L. S, WILLIS, D. K, UPPER, C. D

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Population biology and epidemiology of Pseudomonas syringae by Hirano, S.S. (University of Wisconsin, Madison, WI), Upper, C.D

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Use of an Intergenic Region in Pseudomonas syringae pv. Syringae B728a for Site-Directed Genomic Marking of Bacterial Strains for Field Experiments by HIRANO, Susan S, WILLIS, David K, CLAYTON, Murray K, UPPER, Christen D

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Aerial dispersal of epiphytic bacteria over bean plants by Lindemann, J, Upper, C.D

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Bacterial ice nucleation: a factor in frost injury to plants [Pseudomonas syringae, Erwinia herbicola] by Lindow, S.E, Arny, D.C, Upper, C.D

“…Heterogeneous ice nuclei are necessary, and the common epiphytic ice nucleation active (INA) bacteria Pseudomonas syringae van Hall and Erwinia herbicola…”
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Dynamics, spread, and persistence of a single genotype of Pseudomonas syringae relative to those of its conspecifics on populations of snap bean leaflets by Hirano, S.S, Upper, C.D

“…A rifampin-resistant strain of Pseudomonas syringae (R10) was introduced onto bean plants grown in field plots to examine the processes of growth, spread, and…”
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Diel variation in population size and ice nucleation activity of Pseudomonas syringae on snap bean leaflets by Hirano, S.S, Upper, C.D

“…The extent to which diel changes in the physical environment affect changes in population size and ice nucleation activity of Pseudomonas syringae on snap bean…”
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Plants as Sources of Airborne Bacteria, Including Ice Nucleation-Active Bacteria by Lindemann, J, Constantinidou, H A, Barchet, W R, Upper, C D

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Ice nucleation temperature of individual leaves in relation to population sizes of ice nucleation active bacteria and frost injury by Hirano, S.S, Baker, L.S, Upper, C.D

“…Ice nucleation temperatures of individual leaves were determined by a tube nucleation test. With this assay, a direct quantitative relationship was obtained…”
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Ecology and epidemiology of foliar bacterial plant pathogens by Hirano, S S, Upper, C D

“…During the past two decades numerous workers have described systems in which phytopathogenic bacteria have been found on leaf surfaces of healthy plants. In…”
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Lognormal distribution of epiphytic bacterial populations on leaf surfaces by Hirano, S S, Nordheim, E V, Arny, D C, Upper, C D

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Detection and description of spatial patterns of bacterial brown spot of snap beans using cyclic samples by Hudelson, B.D. (ARS, USDA, Madison.), Clayton, M.K, Smith, K.P, Upper, C.D

“…Snap bean plants within seven-row segments that ranged from 65 to 147 m were sampled, using a cyclic sampling plan. In the cyclic sampling plan, only 6 of…”
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Distribution of ice nucleation-active bacteria [Pseudomonas syringae and Erwinia herbicola] on plants in nature [Freezing injury] by Lindow, S.E, Arny, D.C, Upper, C.D

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