cover of Plant Disease

Plant Disease

Published by The American Phytopathological Society

Editor-in-Chief: Mary E. Burrows

ISSN: 0191-2917 | e-ISSN: 1943-7692

Plant Disease is the leading international journal for rapid reporting of research on new, emerging, and established plant diseases. The journal publishes papers that describe translational and applied research focusing on practical aspects of disease diagnosis, development, and management in agricultural and horticultural crops.


Volume 92, Number 6 / June 2008

Free Access icon
May 2008
Focus
  • ThorKommedahl
  • Page:839
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0839

Free Access icon
May 2008
Plant-Parasitic Nematodes Attacking Chickpea and Their In Planta Interactions with Rhizobia and Phytopathogenic Fungi
  • PabloCastillo,
  • Juan A.Navas-Cortés,
  • Blanca B.Landa,
  • Rafael M.Jiménez-Díaz, and
  • NicolaVovlas
  • Pages:840–853
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0840

Research

Free Access icon
May 2008
Optimized Quantification of Unculturable Candidatus Liberibacter Spp. in Host Plants Using Real-Time PCR
  • WenbinLi,
  • DayanLi,
  • ElizabethTwieg,
  • John S.Hartung, and
  • LaureneLevy
  • Pages:854–861
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0854

Free Access icon
May 2008
Pathogenicity of Pythium Species Associated with Pythium Root Dysfunction of Creeping Bentgrass and Their Impact on Root Growth and Survival
  • J. P.Kerns and
  • L. P.Tredway
  • Pages:862–869
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0862

Free Access icon
May 2008
Effects of Soil Type, Source of Silicon, and Rate of Silicon Source on Development of Gray Leaf Spot of Perennial Ryegrass Turf
  • U. N.Nanayakkara,
  • W.Uddin, and
  • L. E.Datnoff
  • Pages:870–877
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0870

Free Access icon
May 2008
Integrating Plant Essential Oils and Kaolin for the Sustainable Management of Thrips and Tomato Spotted Wilt on Tomato
  • Stuart R.Reitz,
  • GiuseppinaMaiorino,
  • SteveOlson,
  • RichardSprenkel,
  • AnielloCrescenzi, and
  • M. TimurMomol
  • Pages:878–886
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0878

Free Access icon
May 2008
Improving Fungicide-Based Management of Ray Blight Disease in Tasmanian Pyrethrum Fields
  • Sarah J.Pethybridge,
  • Frank S.Hay,
  • TimGroom, and
  • Calum R.Wilson
  • Pages:887–895
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0887

Free Access icon
May 2008
Use of Resistant Cultivars and Reduced Fungicide Programs to Manage Peanut Diseases in Irrigated and Nonirrigated Fields
  • J. E.Woodward,
  • T. B.Brenneman,
  • R. C.KemeraitJr.,
  • N. B.Smith,
  • A. K.Culbreath, and
  • K. L.Stevenson
  • Pages:896–902
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0896

Free Access icon
May 2008
Development of a SCAR Marker to Track Canola Resistance Against Blackleg Caused by Leptosphaeria maculans Pathogenicity Group 3
  • M.Dusabenyagasani and
  • W. G. D.Fernando
  • Pages:903–908
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0903

Free Access icon
May 2008
Application of a Preliminary Screen to Select Locally Adapted Resistant Rootstock and Soil Amendment for Integrated Management of Tomato Bacterial Wilt in Taiwan
  • Chih-HungLin,
  • Shih-TienHsu,
  • Kuo-ChingTzeng, and
  • Jaw-FenWang
  • Pages:909–916
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0909

Free Access icon
May 2008
Stem and Crown Rot of Chickpea in California Caused by Sclerotinia trifoliorum
  • Evans N.Njambere,
  • WeidongChen,
  • CarolFrate,
  • Bo-MingWu,
  • Steve R.Temple, and
  • Fred J.Muehlbauer
  • Pages:917–922
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0917

Free Access icon
May 2008
Detection of Virulence to Resistance Gene Sr24 Within Race TTKS of Puccinia graminis f. sp. tritici
  • Y.Jin,
  • L. J.Szabo,
  • Z. A.Pretorius,
  • R. P.Singh,
  • R.Ward, and
  • T.FetchJr.
  • Pages:923–926
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0923

Free Access icon
May 2008
Characteristics of the Perception of Different Severity Measures of Citrus Canker and the Relationships Between the Various Symptom Types
  • C. H.Bock,
  • P. E.Parker,
  • A. Z.Cook, and
  • T. R.Gottwald
  • Pages:927–939
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0927

Free Access icon
May 2008
Distribution and Incidence of Sphaeropsis Rot in Apple in Washington State
  • Y. K.Kim and
  • C. L.Xiao
  • Pages:940–946
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0940

Free Access icon
May 2008
Evaluation of Soybean Germplasm for Resistance to Soybean Rust (Phakopsora pachyrhizi) in Nigeria
  • M.Twizeyimana,
  • P. S.Ojiambo,
  • T.Ikotun,
  • J. L.Ladipo,
  • G. L.Hartman, and
  • R.Bandyopadhyay
  • Pages:947–952
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0947

Free Access icon
May 2008
A Macroarray System for the Detection of Fungal and Oomycete Pathogens of Solanaceous Crops
  • NingZhang,
  • Meaghan L.McCarthy, and
  • Christine D.Smart
  • Pages:953–960
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0953

Free Access icon
May 2008
Activity of Fungicides Against Monilinia vaccinii-corymbosi in Blueberry Flowers Treated at Different Phenological Stages
  • T. L. B.Tarnowski,
  • A. T.Savelle, and
  • H.Scherm
  • Pages:961–965
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0961

Special Report

Free Access icon
May 2008
Phytophthora Database: A Forensic Database Supporting the Identification and Monitoring of Phytophthora
  • JongsunPark,
  • BongsooPark,
  • NarayananVeeraraghavan,
  • KyongyongJung,
  • Yong-HwanLee,
  • Jaime E.Blair,
  • David M.Geiser,
  • ScottIsard,
  • Michele A.Mansfield,
  • EkaterinaNikolaeva,
  • Sook-YoungPark,
  • JosephRusso,
  • Seong H.Kim,
  • MatthewGreene,
  • Kelly L.Ivors,
  • YilmazBalci,
  • MasoomehPeiman,
  • Donald C.Erwin,
  • Michael D.Coffey,
  • AmyRossman,
  • DavidFarr,
  • EricaCline,
  • Niklaus J.Grünwald,
  • Douglas G.Luster,
  • JuliaSchrandt,
  • FrankMartin,
  • Olaf K.Ribeiro,
  • IzabelaMakalowska, and
  • SeogchanKang
  • Pages:966–972
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0966

Disease Notes

Free Access icon
May 2008
First Report of Solanum jasminoides Infected by Citrus exocortis viroid in Germany and the Netherlands and Tomato apical stunt viroid in Belgium and Germany
  • J. Th. J.Verhoeven,
  • C. C. C.Jansen,
  • J. W.Roenhorst,
  • S.Steyer,
  • N.Schwind, and
  • M.Wassenegger
  • Page:973
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0973A

Free Access icon
May 2008
Outbreak of Ralstonia solanacearum Biovar 2 Causing Brown Rot on Potato in the Aegean Region of Turkey
  • N.Ustun,
  • M.Ozakman, and
  • A.Karahan
  • Page:973
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0973B

Free Access icon
May 2008
First Report of Puccinia kuehnii, Causal Agent of Orange Rust of Sugarcane, in Guatemala
  • W.Ovalle,
  • J. C.Comstock,
  • N. C.Glynn, and
  • L. A.Castlebury
  • Page:973
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0973C

Free Access icon
May 2008
First Report of Rubus yellow net virus on Rubus idaeus in Alberta, Canada
  • M. L.Kalischuk,
  • L. M.Kawchuk, and
  • F.Leggett
  • Page:974
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0974A

Free Access icon
May 2008
First Report of Aspergillus flavus Colonizing Naturally Dispersed Seeds of Oxandra acuminata, Pseudomalmea diclina, and Unonopsis matthewsii in Peru
  • P.Alvarez-Loayza,
  • J. F.WhiteJr., and
  • C. CadenasGiraldo
  • Page:974
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0974B

Free Access icon
May 2008
First Report of Colletotrichum gloeosporioides Causing ‘Twister Disease’ of Onion (Allium cepa) in Georgia
  • C.Nischwitz,
  • D.LangstonJr.,
  • H. F.Sanders,
  • R.Torrance,
  • K. J.Lewis, and
  • R. D.Gitaitis
  • Page:974
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0974C

Free Access icon
May 2008
Bidens mottle virus and Apium virus Y Identified in Ammi majus in Florida
  • C. A.Baker,
  • E. N.Rosskopf,
  • M. S.Irey,
  • L.Jones, and
  • S.Adkins
  • Page:975
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0975A

Free Access icon
May 2008
First Report of Powdery Mildew Caused by Golovinomyces cichoracearum on Orange Coneflower (Rudbeckia fulgida) in Italy
  • A.Garibaldi,
  • D.Bertetti,
  • S.Frati, and
  • M. L.Gullino
  • Page:975
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0975B

Free Access icon
May 2008
First Report of Soybean Rust Caused by Phakopsora pachyrhizi in Iowa and its Statewide Occurrence
  • X.Li,
  • C. J.Engelbrecht,
  • D. S.Mueller, and
  • X. B.Yang
  • Page:975
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0975C

Free Access icon
May 2008
First Report of Laurel Wilt Disease Caused by a Raffaelea sp. on Avocado in Florida
  • A. E.MayfieldIII,
  • J. A.Smith,
  • M.Hughes, and
  • T. J.Dreaden
  • Page:976
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0976A

Free Access icon
May 2008
First Report of Diplodia seriata Causing Shoot Blight and Cankers of Cotoneaster salicifolius in Bulgaria
  • S. G.Bobev,
  • J.Lopes, and
  • A. J. L.Phillips
  • Page:976
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0976B

Free Access icon
May 2008
Fusarium Wilt Caused by Fusarium oxysporum on Lettuce in Espirito Santo, Brazil
  • J. A.Ventura and
  • H.Costa
  • Page:976
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0976C

Free Access icon
May 2008
First Report of Bacterial Soft Rot on Vanda Orchids Caused by Dickeya chrysanthemi (Erwinia chrysanthemi) in the United States
  • R. A.Cating,
  • J. C.Hong,
  • A. J.Palmateer,
  • C. M.Stiles, and
  • E. R.Dickstein
  • Page:977
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0977A

Free Access icon
May 2008
First Report of Xanthomonas citri pv. citri Causing Citrus Canker in Mali
  • Y. N.Traoré,
  • L. Bui ThiNgoc,
  • C.Vernière, and
  • O.Pruvost
  • Page:977
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0977B

Free Access icon
May 2008
Blight Caused by Sclerotium rolfsii on Potted Ornamental Citrus in Sicily
  • A.Pane,
  • M. Magnano di SanLio,
  • F.Raudino, and
  • S. O.Cacciola
  • Page:977
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0977C

Free Access icon
May 2008
First Report of the A2 Mating Type of Phytophthora infestans on Tomato Crops in Taiwan, Republic of China
  • K. L.Deahl,
  • R. W.Jones,
  • L. L.Black,
  • T. C.Wang, and
  • L. R.Cooke
  • Page:978
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0978A

Free Access icon
May 2008
Occurrence of Four Citrus Viroids in Chongqing, China
  • X. F.Wang,
  • C. Y.Zhou,
  • K. Z.Tang, and
  • Z. A.Li
  • Page:978
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0978B

Free Access icon
May 2008
First Report of Cucumber mosaic virus on Lavandula angustifolia in Poland
  • T.Kobyłko,
  • P.Dańda,
  • B.Hasiów,
  • N.Borodynko, and
  • H.Pospieszny
  • Page:978
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0978C

Free Access icon
May 2008
First Report of Insensitivity to Cyazofamid Among Isolates of Phytophthora capsici from the Southeastern United States
  • C. S.Kousik and
  • A. P.Keinath
  • Page:979
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0979A

Free Access icon
May 2008
Pratylenchus neglectus, P. thornei, and Paratylenchus hamatus Nematodes Causing Yield Reduction to Dryland Peas and Lentils in Idaho
  • E.Riga,
  • L. D.Porter,
  • H.Mojtahedi, and
  • D.Erickson
  • Page:979
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0979B

Free Access icon
May 2008
First Report of ‘Candidatus Phytoplasma asteris’-Related Strains Infecting Lily in Mexico
  • N. E.Cortés-Martínez,
  • E.Valadez-Moctezuma,
  • L. X.Zelaya-Molina, and
  • N.Marbán-Mendoza
  • Page:979
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0979C

Free Access icon
May 2008
First Report in Mauritius of Bacterial Leaf Blight of Syngonium Caused by Xanthomonas campestris pv. syngonii
  • E.Jouen,
  • I.Robène-Soustrade,
  • L.Gagnevin,
  • O.Pruvost, and
  • S.Benimadhu
  • Page:980
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0980A

Free Access icon
May 2008
First Report of Canker Disease Caused by Neofusicoccum australe on Eucalyptus and Pistachio in Spain
  • J.Armengol,
  • D.Gramaje,
  • A.Pérez-Sierra,
  • E.Landeras,
  • R.Alzugaray,
  • J.Luque, and
  • S.Martos
  • Page:980
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0980B

Free Access icon
May 2008
First Report of Black Rot on Arugula Caused by Xanthomonas campestris pv. campestris in Argentina
  • A. M.Romero,
  • R.Zapata, and
  • M. S.Montecchia
  • Page:980
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0980C

Free Access icon
May 2008
Identification of Maize dwarf mosaic virus in Maize in Poland
  • K.Trzmiel and
  • M.Jeżewska
  • Page:981
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0981A

Free Access icon
May 2008
First Report of Blackleg of Ajuga multiflora Caused by Phoma multirostrata in China
  • B. G.Lou,
  • X. Q.Hu, and
  • L.Wu
  • Page:981
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0981B

Free Access icon
May 2008
First Report of Citrus Canker Caused by Xanthomonas citri in Somalia
  • G. M.Balestra,
  • A.Sechler,
  • E.Schuenzel, and
  • N. W.Schaad
  • Page:981
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0981C

Free Access icon
May 2008
First Report of Maize streak virus Field Infection of Sugarcane in South Africa
  • T.van Antwerpen,
  • S. A.McFarlane,
  • G. F.Buchanan,
  • D. N.Shepherd,
  • D. P.Martin,
  • E. P.Rybicki, and
  • A.Varsani
  • Page:982
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0982A

Free Access icon
May 2008
First Report of Phytophthora nicotianae Causing Asparagus Spear and Root Rot in Peru
  • L. M.Aragon-Caballero,
  • O. P.Hurtado-Gonzales,
  • J. G.Flores-Torres,
  • W.Apaza-Tapia, and
  • K. H.Lamour
  • Page:982
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0982B

Free Access icon
May 2008
First Report of Sclerotinia sclerotiorum on African Daisy (Osteospermum sp.) in Italy
  • A.Garibaldi,
  • P.Pensa,
  • A.Minuto, and
  • M. L.Gullino
  • Page:982
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0982C

Free Access icon
May 2008
First Report of Leaf Spot Caused by Periconia igniaria on Yellow Starthistle in Russia
  • T.Kolomiets,
  • L.Pankratova,
  • Z.Mukhina,
  • D.Kassanelly,
  • T.Matveeva,
  • D.Bogomaz, and
  • D.Berner
  • Page:983
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0983A

Free Access icon
May 2008
First Report of Fusarium Wilt Caused by Fusarium oxysporum f. sp. niveum Race 2 in Georgia Watermelons
  • B. D.Bruton,
  • W. W.Fish, and
  • D. B.Langston
  • Page:983
  • Date:16 May 2008

https://doi.org/10.1094/PDIS-92-6-0983B

journal cover

Vol. 92, No. 6
June 2008

ISSN:0191-2917
e-ISSN:1943-7692