C. A. Clark, C. W. Averre, P. D. Dukes, J. W. Moyer, G. L. Philley, J. B. Ristaino and C. Stevens, collators (last update 4/8/93)
BACTERIAL DISEASES
- Bacterial stem and root rot
- Erwinia chrysanthemi Burkholder et al.
- Bacterial wilt*
- Pseudomonas solanacearum (Smith) Smith
- Crown gall
- Agrobacterium tumefaciens (Smith & Townsend) Conn
FUNGAL DISEASES
- Alternaria leaf spot and stem blight
- Alternaria spp.
- Alternaria storage rot
- Alternaria spp.
- Black rot
- Ceratocystis fimbriata Ellis & Halst.
- (anamorph: Chalara sp.)
- Blue mold rot
- Penicillium spp.
- Cercospora leaf spot
- Cercospora sp.
- C. ipomoeae G. Wint.
- = C. bataticola Ciferri & Bruner
- Charcoal rot
- Macrophomina phaseolina (Tassi) Goidanich
- Chlorotic leaf distortion
- Fusarium lateritium Nees:Fr.
- (teleomorph: Gibberella baccata (Wallr.) Sacc.)
- Circular spot
- Sclerotium rolfsii Sacc.
- (teleomorph: Athelia rolfsii (Curzi) Tu & Kimbrough)
- Dry rot
- Diaporthe phaseolorum (Cooke & Ellis) Sacc.
- = D. batatatis Harter & E.C. Field
- (anamorph: Phomopsis phaseoli (Desmaz.) Sacc.)
- End rot
- Fusarium spp.
- F. solani (Mart.) Sacc.
- (teleomorph: Nectria haematococca Berk. & Broome)
- Foot rot
- Plenodomas destruens Harter
- Fusarium root rot and stem canker
- Fusarium solani (Mart.) Sacc.
- Fusarium wilt (stem rot)
- Fusarium oxysporum Schlechtend.:Fr. f. sp. batatas (Wollenweb.) W.C. Snyder & H.N. Hans.
- Gray mold rot
- Botrytis cinerea Pers.:Fr.
- (teleomorph: Botryotinia fuckeliana (de Bary) Whetzel)
- Java black rot
- Lasiodiplodia theobromae (Pat.) Griffon & Maubl.
- = Diplodia gossypina Cooke
- Leaf mold
- Choanephora cucurbitarum (Berk. & Ravenel) Thaxt.
- Mottle necrosis
- Pythium spp.
- P. scleroteichum Drechs.
- P. ultimum Trow
- Phytophthora spp.
- Phyllosticta leaf blight
- Phomopsis ipomeae-batatas Punithalingam
- = Phyllosticta batatas (Thuem.) Cooke
- Phymatotrichum root rot (cotton root rot)
- Phymatotrichopsis omnivora (Duggar) Hennebert
- = Phymatotrichum omnivorum Duggar
- Pink root
- Phoma terrestris E.M. Hans.
- = Pyrenochaeta terrestris (E.M. Hans.) Gorenz et al.
- Punky rot
- Trichoderma spp.
- T. koningii Oudem.
- Rhizoctonia stem canker (sprout rot)
- Rhizoctonia solani Kühn
- (teleomorph: Thanatephorus cucumeris (A.B. Frank) Donk)
- Rhizopus soft rot
- Rhizopus spp.
- R. stolonifer (Ehrenb.:Fr.) Vuill.
- Rootlet rot
- Fusarium solani (Mart.) Sacc.
- Pythium spp.
- P. ultimum Trow
- Rhizoctonia solani Kühn
- Streptomyces ipomoeae (Person and Martin) Waksman &
Henrici
- Rust, red
- Coleosporium ipomoeae (Schwein.) Burrill
- Rust, white
- Albugo ipomoeae-panduratae (Schwein.) Swingle
- Scab, leaf and stem*
- Sphaceloma batatas Sawada
- (teleomorph: Elsinoe batatas Viegas & Jenk.)
- Southern blight (sclerotial blight)
- Sclerotium rolfsii Sacc.
- Scurf
- Monilochaetes infuscans Halst. ex Harter
- Septoria leaf spot
- Septoria bataticola Taubenhaus
- Storage rot
- Epicoccum spp.
- Fusarium solani (Mart.) Sacc.
- Mucor racemosus Fresen.
- Sclerotinia spp.
- Surface rot
- Fusariumoxysporum Schlechtend.:Fr.
- F. solani (Mart.) Sacc.
- Violet root rot*
- Helicobasidium mompa Tanaka
MISCELLANEOUS DISEASES OR DISORDERS
- False broomrape
- Uncharacterized
- Streptomyces soil rot (pox)
- Streptomyces ipomoeae (Person and Martin) Waksman & Henrici
NEMATODES, PARASITIC
- Brown ring of roots (bulb and stem nematode)
- Ditylenchus dipsaci (Kühn) Filipjev
- D. destructor Thorne
- Burrowing
- Radopholus similis (Cobb) Thorne
- Dagger
- Xiphinema spp.
- X. americanum Cobb
- Lesion
- Pratylenchus brachyurus (Godfrey) Filipjev &
Schuurmans-Stekhoven
- P. coffeae (Zimmerman) Goodey
- Pin
- Paratylenchus spp.
- Reniform
- Rotylenchulus reniformis Linford & Oliveira
- Root-knot
- Meloidogyne spp.
- M. arenaria (Neal) Chitwood
- M. hapla Chitwood
- M. incognita (Kofoid & White) Chitwood
- M. javanica (Treub) Chitwood
- Spiral
- Helicotylenchus spp.
- Sting
- Belonolaimus longicaudatus Rau
- Stubby-root
- Paratrichodorus spp.
- P. minor (Colbran) Siddiqi
- Stunt
- Tylenchorhynchus spp.
VIRUS AND VIRUSLIKE DISEASES
(Also a mycoplasmalike organism [MLO])
- Feathery mottle
- Sweet potato** feathery mottle virus (SPFMV)
- Internal cork
- Internal cork strain of sweet potato feathery mottlevirus (SPFMV-IC)
- Latent virus*
- Sweet potato** latent virus (SPLV)
- Little leaf (proliferation disease)
- MLO
- Mild mottle*
- Sweet potato** mild mottle virus (SPMMV)
- Russet crack
- Russet crack strain of sweet potato feathery mottlevirus (SPFMV-RC)
- Sweet potato virus disease (SPVD)*
- Sweet potato feathery mottlevirus and an uncharacterized whitefly-transmitted agent
- Yellow dwarf
- Sweet potato** yellow dwarf virus (SPYDV)
* Indicates the disease is not known to occur in North America.
**At the time these viruses were originally named, sweetpotato was spelled as two words and the original names have been retained. However, in accordance with a resolution adopted by the National Sweetpotato Collaborators, sweetpotato is now spelled as one word.
