Timothy R. Gottwald

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Publications of Timothy R. Gottwald (80 listed):

Plant Disease (2021) 105 (8 - 2153)
Franklin Behlau, José Belasque Jr, Rui P. Leite Jr, Armando Bergamin Filho, Timothy R. Gottwald, James H. Graham, Luis H.M. Scandelai, Isabela V. Primiano, Renato B. Bassanezi and Antonio J. Ayres (2021)
Relative contribution of windbreak, copper sprays, and leafminer control for citrus canker management and prevention of crop loss in sweet orange trees

New Phytologist (2017) 214, 1317-1329
Samuel R. Hyatt-Twynam, Stephen Parnell, Richard O.J.H. Stutt, Tim R. Gottwald, Christopher A. Gilligan and Nik J. Cunniffe (2017)
Risk-based management of invading plant disease

Annual Review of Phytopathology (2017) 55, 591-610
Stephen Parnell, Frank van den Bosch, Tim Gottwald and Christopher A. Gilligan (2017)
Surveillance to inform control of emerging plant diseases: An epidemiological perspective

Plant Disease (2016) 100, 1080-1086
Greg McCollum, Mark Hilf, Mike Irey, Weiqi Luo and Tim Gottwald (2016)
Susceptibility of sixteen citrus genotypes to ' Candidatus Liberibacter asiaticus'

Proceedings of the Royal Society of London. Series B, Biological Sciences (2015) 282 (1814 - 20151478)
S. Parnell, T.R. Gottwald, N.J. Cunniffe, V. Alonso Chavez and F. van den Bosch (2015)
Early detection surveillance for an emerging plant pathogen: a rule of thumb to predict prevalence at first discovery

Plant Disease (2015) 99, 926-932
D.J. Anco, G.H. Poole and T.R. Gottwald (2015)
Postharvest quarantine treatments for Diaphorina citri on infested curry leaves

Annual Review of Phytopathology (2015) 53, 357-378
Sylvie Dallot, Tim Gottwald, Véronique Decroocq, Emmanuel Jacquot, Samuel Soubeyrand and Gaël Thébaud (2015)
Sharka epidemiology and worldwide management strategies: Learning lessons to optimize disease control in perennial plants

Proceedings of the National Academy of Sciences of the United States of America (2014) 111, 6258-6262
Matthew Parry, Gavin J. Gibson, Stephen Parnell, Tim R. Gottwald, Michael S. Irey, Timothy C. Gast and Christopher A. Gilligan (2014)
Bayesian inference for an emerging arboreal epidemic in the presence of control

European Journal of Plant Pathology (2014) 138, 237-245
Clive H. Bock, James H. Graham, Tim R. Gottwald, Amanda Z. Cook and Paul E. Parker (2014)
Effect of the duration of inoculum exposure on development of citrus canker symptoms on seedlings of Swingle citrumelo

Journal of Phytopathology (2014) 162, 291-301
Clive H. Bock, Tim R. Gottwald and James H. Graham (2014)
A comparison of pathogen isolation in culture and injection-infiltration bioassay of citrus leaves for detecting Xanthomonas citri subsp. citri

Phytopathology (2014) 104, 575-585
Kuo-Szu Chiang, Shih-Chia Liu, Clive H. Bock and Tim R. Gottwald (2014)
What interval characteristics make a good categorical disease assessment scale?

Journal of Plant Pathology (2013) 95, 99-106
C.H. Bock, J.H. Graham, A.Z. Cook, P.E. Parker and T.R. Gottwald (2013)
Predisposition of citrus foliage to infection with Xanthomonas citri subsp. citri

Plant Disease (2013) 97, 675-684
Clive H. Bock, Bruce W. Wood and Tim R. Gottwald (2013)
Pecan scab severity - effects of assessment methods

Plant Disease (2013) 97, 797-806
Clive H. Bock, Bruce W. Wood, Frank van den Bosch, Stephen Parnell and Tim R. Gottwald (2013)
The effect of Horsfall-Barratt category size on the accuracy and reliability of estimates of pecan scab severity

Plant Disease (2013) 97, 1195-1199
J.H. Graham, E.G. Johnson, T.R. Gottwald and M.S. Irey (2013)
Presymptomatic fibrous root decline in citrus trees caused by huanglongbing and potential interaction with Phytophthora spp.

HortScience (2013) 48, 330-337
David G. Hall, Tim R. Gottwald, Ed Stover and G. Andrew C. Beattie (2013)
Evaluation of management programs for protecting young citrus plantings from huanglongbing

Canadian Journal of Plant Pathology (2013) 35, 442-457
Tim R. Gottwald, Eric Wierenga, Weiqi Luo and Stephen Parnell (2013)
Epidemiology of Plum pox 'D' strain in Canada and the USA

Plant Disease (2013) 97, 789-796
Renato B. Bassanezi, Luiz H. Montesino, Nelson Gimenes-Fernandes, Pedro T. Yamamoto, Tim R. Gottwald, Lilian Amorim and Armando Bergamin Filho (2013)
Efficacy of area-wide inoculum reduction and vector control on temporal progress of huanglongbing in young sweet orange plantings

Plant Disease (2012) 96, 968-972
M.A. Nunes, C.A.L. de Oliveira, M.L. de Oliveira, E.W. Kitajima, M.E. Hilf, T.R. Gottwald and J. Freitas-Astúa (2012)
Transmission of Citrus leprosis virus C by Brevipalpus phoenicis (Geijskes) to alternative host plants found in citrus orchards

BioControl (2012) 57, 663-675
David G. Hall, Matthew G. Hentz, Jason M. Meyer, Alissa B. Kriss, Tim R. Gottwald and Drion G. Boucias (2012)
Observations on the entomopathogenic fungus Hirsutella citriformis attacking adult Diaphorina citri (Hemiptera: Psyllidae) in a managed citrus grove

Plant Pathology (2012) 61, 829-836
C.H. Bock, A.Z. Cook, P.E. Parker, T.R. Gottwald and J.H. Graham (2012)
Short-distance dispersal of splashed bacteria of Xanthomonas citri subsp. citri from canker-infected grapefruit tree canopies in turbulent wind

Plant Pathology (2011) 60, 986-991
C.H. Bock, T.R. Gottwald and P.E. Parker (2011)
Distribution of canker lesions on the surface of diseased grapefruit

Plant Disease (2010) 94, 725-736
C.H. Bock, J.H. Graham, T.R. Gottwald, A.Z. Cook and P.E. Parker (2010)
Wind speed effects on the quantity of Xanthomonas citri subsp. citri dispersed downwind from canopies of grapefruit trees infected with citrus canker

Plant Pathology (2010) 59, 1031-1036
F. Behlau, L. Amorim, J. Belasque Jr., A. Bergamin Filho, R.P. Leite Jr., J.H. Graham and T.R. Gottwald (2010)
Annual and polyetic progression of citrus canker on trees protected with copper sprays

Annual Review of Phytopathology (2010) 48, 119-139
Tim R. Gottwald (2010)
Current epidemiological understanding of citrus huanglongbing

Florida Entomologist (2010) 93, 558-566
David G. Hall, Tim R. Gottwald and Clive H. Bock (2010)
Exacerbation of citrus canker by citrus leafminer Phyllocnistis citrella in Florida

European Journal of Plant Pathology (2010) 128, 21-38
C.H. Bock, James H. Graham, Tim R. Gottwald, Amanda Z. Cook and Paul E. Parker (2010)
Wind speed and wind-associated leaf injury affect severity of citrus canker on Swingle citrumelo

Plant Disease (2009) 93, 412-424
C.H. Bock, P.E. Parker, A.Z. Cook, T. Riley and T.R. Gottwald (2009)
Comparison of assessment of citrus canker foliar symptoms by experienced and inexperienced raters

Plant Disease (2009) 93, 607-614
Y.P. Duan, X. Sun, L.J. Zhou, D.W. Gabriel, L.S. Benyon and Tim Gottwald (2009)
Bacterial brown leaf spot of citrus, a new disease caused by Burkholderia andropogonis

Phytopathology (2009) 99, 1370-1376
S. Parnell, T.R. Gottwald, F. van den Bosch and C.A. Gilligan (2009)
Optimal strategies for the eradication of Asiatic citrus canker in heterogeneous host landscapes

Plant Disease (2009) 93, 660-665
C.H. Bock, A.Z. Cook, P.E. Parker and T.R. Gottwald (2009)
Automated image analysis of the severity of foliar citrus canker symptoms

European Journal of Plant Pathology (2009) 125, 23-38
C.H. Bock, T.R. Gottwald, P.E. Parker, A.Z. Cook, F. Ferrandino, S. Parnell and F. van den Bosch (2009)
The Horsfall-Barratt scale and severity estimates of citrus canker

Molecular Plant-Microbe Interactions (2009) 22, 1011-1020
Yongping Duan, Lijuan Zhou, David G. Hall, Wenbin Li, Harshavardhan Doddapaneni, Hong Lin, Li Liu, Cheryl M. Vahling, Dean W. Gabriel, Kelly P. Williams, Allan Dickerman, Yijun Sun and Tim Gottwald (2009)
Complete genome sequence of citrus huanglongbing bacterium, `Candidatus Liberibacter asiaticus' obtained through metagenomics

Plant Disease (2008) 92, p. 831 (Duan et al.)
Y.P. Duan, Tim Gottwald, L.J. Zhou and D.W. Gabriel (2008)
First report of dodder transmission of `Candidatus Liberibacter asiaticus' to tomato (Lycopersicon esculentum)

Experimental and Applied Acarology (2008) 45, 147-153
Valdenice M. Novelli, Juliana Freitas-Astúa, Naiara Segatti, Jeferson L.C. Mineiro, Valter Arthur, Marinês Bastianel, Mark E. Hilf, Tim R. Gottwald and Marcos A. Machado (2008)
Effects of radiation (Cobalt-60) on the elimination of Brevipalpus phoenicis (Acari: Tenuipalpidae) Cardinium endosymbiont

Plant Disease (2008) 92, 927-939
C.H. Bock, P.E. Parker, A.Z. Cook and T.R. Gottwald (2008)
Characteristics of the perception of different severity measures of citrus canker and the relationships between the various symptom types

Plant Disease (2008) 92, 1349-1356
Alan R. Biggs, William W. Turechek and Tim R. Gottwald (2008)
Analysis of fire blight shoot infection epidemics on apple

Plant Disease (2008) 92, 530-541
C.H. Bock, P.E. Parker, A.Z. Cook and T.R. Gottwald (2008)
Visual rating and the use of image analysis for assessing different symptoms of citrus canker on grapefruit leaves

Experimental and Applied Acarology (2007) 42, 17-21
Valdenice M. Novelli, Juliana Freitas-Astúa, Fernanda Arrivabem, Eliane C. Locali-Fabris, Mark E. Hilf, Tim R. Gottwald and Marcos A. Machado (2007)
Effects of temperature, storage period and the number of individuals on the detection of the false spider mite Cardinium endosymbiont

Phytopathology (2007) 97, 674-683
T.R. Gottwald, R.B. Bassanezi, L. Amorim and A. Bergamin-Filho (2007)
Spatial pattern analysis of citrus canker-infected plantings in São Paulo, Brazil, and augmentation of infection elicited by the Asian leafminer

EPPO Bulletin (2006) 36, 279-286
T.R. Gottwald (2006)
Epidemiology of sharka disease in North America

Plant Disease (2006) 90, 1171-1180
D.M. Benson, L.F. Grand, C.S. Vernia and T.R. Gottwald (2006)
Temporal and spatial epidemiology of Phytophthora root rot in Fraser fir plantations

HortScience (2006) 41, 1048-1049
Greg McCollum, Kim Bowman and Tim Gottwald (2006)
Screening citrus germplasm for resistance to Xanthomonas axonopodis pv. citri
Regional Meeting poster

Plant Disease (2005) 89, 1324-1330
P.E. Parker, C.H. Bock and T.R. Gottwald (2005)
Comparison of techniques to sample Xanthomonas axonopodis pv. citri in windblown spray

Plant Disease (2005) 89, 71-80
C.H. Bock, P.E. Parker and T.R. Gottwald (2005)
Effect of simulated wind-driven rain on duration and distance of dispersal of Xanthomonas axonopodis pv. citri from canker-infected citrus trees

Fitopatologia Brasileira (2004) 29, 56-65
Francisco F. Laranjeira, Armando Bergamin Filho, Lilian Amorim and Tim R. Gottwald (2004)
Dinâmica espacial da Clorose Variegada dos Citros em três regiões do Estado de São Paulo
[Spatial dynamics of Citrus Variegated Chlorosis in three regions of São Paulo, Brazil]

Plant Disease (2004) 88, 1179-1188
Xiaoan Sun, Robert E. Stall, Jeffrey B. Jones, Jaime Cubero, Tim R. Gottwald, James H. Graham, Wayne N. Dixon, Tim S. Schubert, Paul H. Chaloux, Verlyn K. Stromberg, George H. Lacy and Bruce D. Sutton (2004)
Detection and characterization of a new strain of citrus canker bacteria from Key/Mexican lime and alemow in south Florida

Molecular Plant Pathology (2004) 5, 1-15
James H. Graham, Tim R. Gottwald, Jaime Cubero and Diann S. Achor (2004)
Xanthomonas axonopodis pv. citri: factors affecting successful eradication of citrus canker

Phytopathology (2004) 94, 1390-1398
Sylvie Dallot, Tim Gottwald, Gérard Labonne and Jean-Bernard Quiot (2004)
Factors affecting the spread of Plum pox virus strain M in peach orchards subjected to roguing in France

Phytopathology (2003) 93, 1031-1036
S.N. Mondal, T.R. Gottwald and L.W. Timmer (2003)
Environmental factors affecting the release and dispersal of ascospores of Mycosphaerella citri

Fitopatologia Brasileira (2003) 28, 481-488
Francisco F. Laranjeira, Armando Bergamin Filho, Lilian Amorim, Richard Berger and Tim R. Gottwald (2003)
Dinâmica temporal da Clorose Variegada dos Citros em três regiões do Estado de São Paulo
[Temporal dynamics of Citrus Variegated Chlorosis in three regions of São Paulo, Brazil]

Phytopathology (2003) 93, 1543-1552
Sylvie Dallot, Tim Gottwald, Gérard Labonne and Jean-Bernard Quiot (2003)
Spatial pattern analysis of Sharka disease (Plum pox virus Strain M) in peach orchards of southern France

Phytopathology (2003) 93, 502-512
Renato B. Bassanezi, Armando Bergamin Filho, Lilian Amorim, Nelson Gimenes-Fernandes, Tim R. Gottwald and Joseph M. Bové (2003)
Spatial and temporal analyses of citrus sudden death as a tool to generate hypotheses concerning its etiology

Phytopathology (2003) 93, 832-843
C.J. Vernière, T.R. Gottwald and O. Pruvost (2003)
Disease development and symptom expression of Xanthomonas axonopodis pv. citri in various citrus plant tissues

Plant Disease (2002) 86, 367-372
G. Hughes, T.R. Gottwald and K. Yamamura (2002)
Survey methods for assessment of Citrus tristeza virus incidence in urban citrus populations

Phytopathology (2002) 92, 361-377
Tim R. Gottwald, Xiaoan Sun, Tim Riley, James H. Graham, Frank Ferrandino and Earl L. Taylor (2002)
Geo-referenced spatiotemporal analysis of the urban citrus canker epidemic in Florida

Plant Disease (2002) 86, 259-263
G. Hughes, T.R. Gottwald and L. Levy (2002)
The use of hierarchical sampling in the surveillance program for Plum pox virus incidence in the United States

Applied and Environmental Microbiology (2001) 67, 2849-2852
J. Cubero, J. H. Graham and T.R. Gottwald (2001)
Quantitative PCR method for diagnosis of citrus bacterial canker

Plant Disease (2001) 85, 910-918
G. Hughes and T.R. Gottwald (2001)
Survey methods for assessment of Citrus tristeza virus incidence in citrus nurseries

Plant Disease (2000) 84, 157-163
L.W. Timmer, S.E. Zitko, T.R. Gottwald and J.H. Graham (2000)
Phytophthora brown rot of citrus: Temperature and moisture effects on infection, sporangium production, and dispersal

Phytopathology (1999) 89, 487-494
G. Hughes and T.R. Gottwald (1999)
Survey methods for assessment of Citrus tristeza virus incidence when Toxoptera citricida is the predominant vector

European Journal of Plant Pathology (1999) 105, 23-37
O. Pruvost, T.R. Gottwald and C. Brocherieux (1999)
The effect of irrigation practices on the spatio-temporal increase of Asiatic citrus canker in simulated nursery plots in Reunion Island

Phytopathology (1999) 89, 603-608
T.R. Gottwald, G.J. Gibson, S.M. Garnsey and M. Irey (1999)
Examination of the effect of aphid vector population composition on the spatial dynamics of Citrus tristeza virus spread by stochastic modeling

Phytopathology (1998) 88, 715-723
G. Hughes and T.R. Gottwald (1998)
Survey methods for assessment of Citrus tristeza virus incidence

International Congress of Plant Pathology (1998) Gottwald et al. - The effects of weather ...
T.R. Gottwald and J.H. Graham (1998)
The effects of weather patterns on the spread of Asiatic citrus canker in citrus groves and urban environments in Florida
Edinburgh, U.K. (9 - 16 Aug. 1998), Poster presented in section: Dispersal, movement and spatial processes

Phytopathology (1998) 88, 621-636
T.R. Gottwald, S.M. Garnsey and J. Borbón (1998)
Increase and patterns of spread of Citrus tristeza virus infections in Costa Rica and the Dominican Republic in the presence of the brown citrus aphid, Toxoptera citricida

Phytopathology (1998) 88, 1218-1223
L.W. Timmer, Z. Solel, T.R. Gottwald, A.M. Ibañez and S.E. Zitko (1998)
Environmental factors affecting production, release, and field populations of conidia of Alternaria alternata, the cause of brown spot of citrus

International Congress of Plant Pathology (1998) Pruvost et al. - The effect of irrigation ...
O. Pruvost, T.R. Gottwald and C. Brocherieux (1998)
The effect of irrigation practices on the spatio-temporal increase of Asiatic citrus canker in simulated nursery plots in Reunion Island
Edinburgh, U.K. (9 - 16 Aug. 1998), Poster presented in section: Dispersal, movement and spatial processes

International Congress of Plant Pathology (1998) Hughes et al. - The spatio-temporal dynamics ...
G. Hughes, G.J. Gibson and T.R. Gottwald (1998)
The spatio-temporal dynamics of Citrus tristeza virus disease spread
Edinburgh, U.K. (9 - 16 Aug. 1998), Paper presented in section: Dispersal, movement and spatial processes

Phytopathology (1997) 87, 1078-1084
T.R. Gottwald, T.M. Trocine and L.W. Timmer (1997)
A computer-controlled environmental chamber for the study of aerial fungal spore release

Phytopathology (1997) 87, 542-550
G. Hughes, N. McRoberts, L.V. Madden and T.R. Gottwald (1997)
Relationships between disease incidence at two levels in a spatial hierarchy

Plant Disease (1997) 81, 1305-1310
T.R. Gottwald, J.H. Graham and T.D. Riley (1997)
The influence of spray adjuvants on exacerbation of citrus bacterial spot

Phytopathology (1996) 86, p. S4 (Gottwald et al.)
T.R. Gottwald and L.W. Timmer (1996)
Ascospore discharge by Mycosphaerella citri, the citrus greasy spot fungus

Australasian Plant Pathology (1996) 25, 126-134
Patricia Broadbent, T.R. Gottwald, C.F. Gilkeson, N. Franks and C.M. Dephoff (1996)
Identification of citrus blight in the Riverina, New South Wales

Phytopathology (1996) 86, p. S22 (Solel et al.)
Z. Solel, T.R. Gottwald, A.M. Ibanez and L.W. Timmer (1996)
Conidial release and field population of Alternaria alternata pv. citri, the cause of brown spot of citrus

Journal of Economic Entomology (1995) 88, 148-154
Jeffrey P. Shapiro and Tim R. Gottwald (1995)
Resistance of eight cultivars of citrus rootstock to a larval root weevil, Diaprepes abbreviatus L. (Coleoptera: Curculionidae)

Journal of Economic Entomology (1994) 87, 1078-1085
R.K. Yokomi, R. Lastra, M.B. Stoetzel, V.D. Damsteegt, R.F. Lee, S.M. Garnsey, T.R. Gottwald, M.A. Rocha-Peña and C.L. Niblett (1994)
Establishment of the brown citrus aphid (Homoptera: Aphididae) in Central America and the Caribbean Basin and transmission of citrus tristeza virus

Environmental Entomology (1984) 13, 557-560
T.R. Gottwald and W.L. Tedders (1984)
Colonization, transmission, and longevity of Beauveria bassiana and Metarhizium anisopliae (Deuteromycotina: Hypomycetes) on pecan weevil larvae (Coleoptera: Curculionidae) in the soil

Environmental Entomology (1983) 12, 471-474
T.R. Gottwald and W.L. Tedders (1983)
Suppression of pecan weevil (Coleoptera: Curculionidae) populations with entomopathogenic fungi

Environmental Entomology (1982) 11, 1274-1279
T.R. Gottwald and W.L. Tedders (1982)
Studies on conidia release by the entomogenous fungi Beauveria bassiana and Metarhizium anisopliae (Deuteromycotina: Hyphomycetes) from adult pecan weevil (Coleoptera: Curculionidae) cadavers