Search Results - "Pfender, W. F"

Mapping with RAD (restriction-site associated DNA) markers to rapidly identify QTL for stem rust resistance in Lolium perenne by Pfender, W. F, Saha, M. C, Johnson, E. A, Slabaugh, M. B

“…A mapping population was created to detect quantitative trait loci (QTL) for resistance to stem rust caused by Puccinia graminis subsp. graminicola in Lolium…”
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Field Assessment of a Model for Fungicide Effects on Intraplant Spread of Stem Rust in Perennial Ryegrass Seed Crops by Pfender, W.F, Eynard, J

“…Intraplant spread of stem rust (Puccinia graminis subsp. graminicola) in perennial ryegrass during tiller extension is a major determinant of epidemic severity…”
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Decision Aids for Multiple-Decision Disease Management as Affected by Weather Input Errors by Pfender, W.F, Gent, D.H, Mahaffee, W.F, Coop, L.B, Fox, A.D

“…Rational management of plant diseases, both economically and environmentally, involves assessing risks and the costs associated with both correct and incorrect…”
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Prediction of stem rust infection favorability, by means of degree-hour wetness duration, for perennial ryegrass seed crops by Pfender, W.F

“…A weather-based infection model for stem rust of perennial ryegrass seed crops was developed and tested using data from inoculated bioassay plants in a field…”
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New applications of statistical tools in plant pathology by Garrett, K.A, Madden, L.V, Hughes, G, Pfender, W.F

“…The series of papers introduced by this one address a range of statistical applications in plant pathology, including survival analysis, nonparametric analysis…”
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Role of phenology in host susceptibility and within-plant spread of stem rust during reproductive development of perennial ryegrass by PFENDER, W. F

“…ABSTRACT Perennial ryegrass (Lolium perenne) was inoculated with urediniospores of Puccinia graminis subsp. graminicola at four stages of reproductive tiller…”
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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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A temperature-based model for latent-period duration in stem rust of perennial ryegrass and tall fescue by PFENDER, W. F

“…ABSTRACT A temperature-response curve for latent-period duration in stem rust (caused by Puccinia graminis subsp. graminicola) on perennial ryegrass and tall…”
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Pathotype-specific QTL for stem rust resistance in Lolium perenne by Pfender, W. F., Slabaugh, M. E.

“…A genetic map populated with RAD and SSR markers was created from F1 progeny of a stem rust-susceptible and stem rust-resistant parent of perennial ryegrass (…”
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Antibiosis and antagonism of Sclerotinia homoeocarpa and Drechslera poae by pseudomonas fluorescens Pf-5 in vitro and in planta by RODRIGUEZ, F, PFENDER, W. F

“…ABSTRACT Pseudomonas fluorescens strain Pf-5, which produces several antifun-gal metabolites, including the antibiotics pyoluteorin, pyrrolnitrin, and…”
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Evaluation of the Ryegrass Stem Rust Model STEMRUST_G and Its Implementation as a Decision Aid by Pfender, W F, Coop, L B, Seguin, S G, Mellbye, M E, Gingrich, G A, Silberstein, T B

“…STEMRUST_G, a simulation model for epidemics of stem rust in perennial ryegrass grown to maturity as a seed crop, was validated for use as a heuristic tool and…”
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Selection for stem rust resistance in tall fescue and its correlated response with seed yield by BARKER, R. E, PFENDER, W. F, WELTY, R. E

“…Genetic resistance to stem rust (caused by Puccinia graminis Pers.:Pers. subsp. graminicola Z. Urban) could reduce the need for fungicides to control the…”
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A genomic region from Pseudomonas fluorescens Pf-5 required for pyrrolnitrin production and inhibition of Pyrenophora tritici-repentis in wheat straw by PFENDER, W. F, KRAUS, J, LOPER, J. E

“…Pseudomonas fluorescens strain Pf-5, which produces many antifungal metabolites including pyrrolnitrin, inhibited mycelial growth of Pyrenophora…”
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Comparison of three bioremediation agents for mineralization and transformation of pentachlorophenol in soil by Pfender, W.F. (Kansas State University, Manhattan.), Maggard, S.P, Gander, L.K, Watrud, L.S

“…Bacteria and fungi have been proposed as bioremediation agents for soil polluted with pentachlorophenol (PCP), and have been studied separately under various…”
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Microbial communities of Pyrenophora-infested wheat straw as examined by multivariate analysis by Pfender, W.F, Wootke, S.L

“…Winter wheat straw naturally infested with Pyrenophora triticirepentis and Septoria nodorum was incubated in the field in one of three placements: buried in…”
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Biological control to reduce inoculum of the tan spot pathogen Pyrenophora tritici-repentis in surface-borne residues of wheat fields by Pfender, W.F. (Kansas State University, Manhattan), Zhang, W, Nus, A

“…Field plots of conservation-tillage wheat straw naturally infested with Pyrenophora tritici-repentis were treated with bran-based inoculum of three potential…”
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Suppression of ascocarp formation in Pyrenophora tritici-repentis by Limonomyces roseipellis, a basidiomycete from reduced-tillage wheat straw by Pfender, W.F

“…A fast-growing basidiomycete, previously isolated from microbial communities of reduced-tillage wheat straw in which Pyrenophora tritici-repentis appeared to…”
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The Use and Role of Predictive Systems in Disease Management by GENT, David H, MAHAFFEE, Walter F, McROBERTS, Neil, PFENDER, William F

“…Disease predictive systems are intended to be management aids. With a few exceptions, these systems typically do not have direct sustained use by growers…”
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Use of dual-stain fluorescence microscopy to observe antagonism of Pyrenophora tritici-repentis by Limonomyces roseipellis in wheat straw by Pfender, W.F. (Kansas State University, Manhattan), King, L.G, Rabe, J.R

“…A procedure was developed for differential fluorescence staining of the wheat tan spot pathogen, Pyrenophora tritici-repentis, and its antagonist, Limonomyces…”
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Saprophytic growth and Pseudothecia production by Pyrenophora tritici-repentis in plant tissue held at controlled water potentials by PFENDER, W. F, PACEY, C. A, ZHANG, W

“…Mycelial growth rate and production of pseudothecia by Pyrenophora tritici-repentis in dead wheat leaves at a range of water potentials was measured. In…”
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