Search Results - "Bock, C. H."

Plant Disease Severity Estimated Visually, by Digital Photography and Image Analysis, and by Hyperspectral Imaging by Bock, C. H., Poole, G. H., Parker, P. E., Gottwald, T. R.

“…Reliable, precise and accurate estimates of disease severity are important for predicting yield loss, monitoring and forecasting epidemics, for assessing crop…”
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Development and validation of standard area diagrams to aid assessment of pecan scab symptoms on fruit by Yadav, N. V. S, de Vos, S. M, Bock, C. H, Wood, B. W

“…Pecan scab (Fusicladium effusum) causes losses of pecan nutmeat yield and quality in the southeastern United States. Disease assessment relies on visual…”
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Hydrocephalus shunt therapy: current titanium shunt valve implants obstructed by internal tissue proliferations identified as extracellular matrix membranes by Ludwig, HC, Reitemeyer, M, Bock, HC, Sigler, M

“…Purpose Shunt valves, required for treatment of hydrocephalus, demand for high performance rates and lifelong excellent function. To overcome problems with…”
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Glioma infiltration of the corpus callosum: early signs detected by DTI by Kallenberg, K., Goldmann, T., Menke, J., Strik, H., Bock, H. C., Stockhammer, F., Buhk, J. H., Frahm, J., Dechent, P., Knauth, M.

“…The most frequent primary brain tumors, anaplastic astrocytomas (AA) and glioblastomas (GBM): tend to invasion of the surrounding brain. Histopathological…”
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Assessing disease severity: accuracy and reliability of rater estimates in relation to number of diagrams in a standard area diagram set by Bock, C. H., Hotchkiss, M. W., Wood, B. W.

“…Error in estimates of plant disease severity occur and standard area diagrams (SADs) help improve accuracy and reliability. The effects of diagram number in…”
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CYP1A1 and CYP1B1 polymorphisms and risk of lung cancer among never smokers: a population-based study by Wenzlaff, A.S., Cote, M.L., Bock, C.H., Land, S.J., Santer, S.K., Schwartz, D.R., Schwartz, A.G.

“…The cytochrome P450 (CYP) superfamily of enzymes catalyse one of the first steps in the metabolism of carcinogens such as polycyclic aromatic hydrocarbons,…”
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comparison between visual estimates and image analysis measurements to determine septoria leaf blotch severity in winter wheat by El Jarroudi, M, Kouadio, A. L, Mackels, C, Tychon, B, Delfosse, P, Bock, C. H

“…Methods to estimate disease severity vary in accuracy, reliability, ease of use and cost. Severity of septoria leaf blotch (SLB, caused by Zymoseptoria…”
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Some Consequences of Using the Horsfall-Barratt Scale for Hypothesis Testing by Bock, C.H, Gottwald, T.R, Parker, P.E, Ferrandino, F, Welham, S, Bosch, F. van den, Parnell, S

“…Comparing treatment effects by hypothesis testing is a common practice in plant pathology. Nearest percent estimates (NPEs) of disease severity were compared…”
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Effects of rater bias and assessment method on disease severity estimation with regard to hypothesis testing by Chiang, K. S., Bock, C. H., El Jarroudi, M., Delfosse, P., Lee, I. H., Liu, H. I.

“…The effects of bias (over‐ and underestimates) in estimates of disease severity on hypothesis testing using different assessment methods was explored. Nearest…”
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Short-distance dispersal of splashed bacteria of Xanthomonas citri subsp. citri from canker-infected grapefruit tree canopies in turbulent wind by Bock, C. H., Cook, A. Z., Parker, P. E., Gottwald, T. R., Graham, J. H.

“…Citrus canker (Xanthomonas citri subsp. citri (Xcc)) can cause yield loss and trade restrictions. The pathogen is dispersed in rain splash and spread is…”
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GSTM1, GSTT1 and GSTP1 polymorphisms, environmental tobacco smoke exposure and risk of lung cancer among never smokers: a population-based study by Wenzlaff, A.S., Cote, M.L., Bock, C.H., Land, S.J., Schwartz, A.G.

“…Glutathione S-transferases detoxify polycyclic aromatic hydrocarbons found in tobacco smoke by glutathione conjugation. Polymorphisms within the GSTM1, GSTT1…”
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Distribution of canker lesions on the surface of diseased grapefruit by Bock, C. H., Gottwald, T. R., Parker, P. E.

“…The objective of this study was to describe and quantify the distribution of citrus canker lesions (caused by Xanthomonas citri subsp. citri) on the surface of…”
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Wind speed and wind-associated leaf injury affect severity of citrus canker on Swingle citrumelo by Bock, C. H., Graham, James H., Gottwald, Tim R., Cook, Amanda Z., Parker, Paul E.

“…Citrus canker (caused by the bacterial pathogen Xanthomonas citri subsp. citri , Xcc ) can cause severe damage to citrus. It is endemic in Florida, and occurs…”
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Characterization of microsatellites in Fusicladium effusum, cause of pecan scab by Bock, C. H., Chen, C., Yu, F., Stevenson, K. L., Arias, R. S., Wood, B. W.

“…Summary Pecan scab, caused by the plant pathogenic fungus Fusicladium effusum, is the most destructive disease of pecan. Little is known of the population…”
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comparison of UP‐PCR and RAPD markers to study genetic diversity of Fusicladium effusum (G. Winter), cause of pecan scab by Bock, C. H, Endalew, T. T, Biswas, B. K, Yadav, A. K, Sitther, V, Hotchkiss, M. W, Stevenson, K. L, Wood, B. W, Klopfenstein, N

“…Fusicladium effusum infects pecan causing yield loss, but no information is available on the genetic diversity of F. effusum. Randomly amplified polymorphic…”
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Horsfall-Barratt scale and severity estimates of citrus canker by Bock, C. H, Gottwald, T. R, Parker, P. E, Cook, A. Z, Ferrandino, F, Parnell, S, van den Bosch, F

“…Citrus canker assessment data were used to investigate effects of using the Horsfall-Barratt (H-B) scale to estimate disease compared to direct estimation to…”
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Combinations of cytochrome P-450 genotypes and risk of early-onset lung cancer in Caucasians and African Americans: A population-based study by Cote, M.L, Wenzlaff, A.S, Bock, C.H, Land, S.J, Santer, S.K, Schwartz, D.R, Schwartz, A.G

“…Summary Polymorphisms in CYP1A1 and CYP1B1 genes in humans are associated with reduction of enzymatic activity towards several substrates, including those…”
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Population dynamics of Aspergillus flavus in the air of an intensively cultivated region of south-west Arizona by Bock, C.H, Mackey, B, Cotty, P.J

“…Airborne propagules of Aspergillus flavus were quantified to investigate population dynamics of A. flavus in a region of south-west Arizona prone to epidemics…”
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Fungicide Resistance in Venturia effusa , Cause of Pecan Scab: Current Status and Practical Implications by Standish, J R, Brenneman, T B, Bock, C H, Stevenson, K L

“…Pecan scab, caused by , is the most economically damaging disease of pecan in the southeastern United States, and annual epidemics are most effectively managed…”
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Survival Analysis as a Basis for Testing Hypotheses when Using Quantitative Ordinal Scale Disease Severity Data by Chiang, K S, Chang, Y M, Liu, H I, Lee, J Y, Jarroudi, M El, Bock, C H

“…Disease severity in plant pathology is often measured by the amount of a plant or plant part that exhibits disease symptoms. This is typically assessed using a…”
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