Stuart D. Lyda and G. M. Watkins, primary collators; updated by P. D. Colyer, T. Kirkpatrick, and C. Rothrock (last update 7/9/01)
BACTERIAL DISEASES
- Bacterial blight
- Xanthomonas campestris pv. malvacearum (Smith 1901)
Dye 1978b
- Crown gall
- Agrobacterium tumefaciens (Smith and Townsend 1907)
Conn 1942
- Lint degradation
- Erwinia herbicola (Lohnis 1911) Dye 1964
- = Pantoea agglomerans (Ewing and Fife 1972) Gavini et al.
1989
FUNGAL DISEASES
- Anthracnose
- Glomerella gossypii Edgerton
- Colletotrichum gossypii Southworth [anamorph]
- Areolate mildew
- Ramularia gossypii (Speg.) Cif.
- = Cercosporella gossypii Speg.
- Mycosphaerella areola J. Ehrlich & F.A. Wolf
[teleomorph]
- Ascochyta blight
- Ascochyta gossypii Woronichin
- Black root rot
- Thielaviopsis basicola (Berk. & Broome) Ferraris
- Chalara elegans Nag Raj & Kendrick [synanamorph]
- Boll rot
- Ascochyta gossypii Woronichin
- Colletotrichum gossypii Southworth
- Glomerella gossypii Edgerton [teleomorph]
- Fusarium spp.
- Lasiodiplodia theobromae (Pat.) Griffon & Maubl.
- = Diplodia gossypina (Cooke)
- Botryosphaeria rhodina (Cooke) Arx [teleomorph]
- = Physalospora rhodina Cooke
- Phytophthora spp.
- Rhizoctonia solani Kühn
- Charcoal rot
- Macrophomina phaseolina (Tassi) Goidanich
- Escobilla*
- Colletotrichum gossypii Southworth
- Glomerella gossypii Edgerton [teleomorph]
- Fusarium wilt
- Fusarium oxysporum Schlechtend.:Fr. f. sp. vasinfectum (Atk.) W.C. Snyder & H.N. Hans.
- Leaf spot
- Alternaria macrospora A. Zimmerm.
- A. alternata (FR.:FR.) Keissl.
- Cercospora gossypina Cooke
- Mycosphaerella gossypina (Atk.) Earle [teleomorph]
- Cochliobolus spicifer R.R. Nelson
- Bipolaris spicifera (Bainier) Subramanian [anamorph]
- = Curvularia spicifera (Bainier) Boedijn
- Myrothecium roridum Tode:Fr
- Rhizoctonia solani Kühn
- Stemphylium solani G. F. Weber
- Lint contamination
- Aspergillus flavus Link:Fr.
- Nematospora spp.
- Nigrospora oryzae (Berk. & Broome) Petch
- Phymatotrichum root rot = cotton root rot
- Phymatotrichopsis omnivora (Duggar) Hennebert
- = Phymatotrichum omnivorum Duggar
- Powdery mildew*
- Leveillula taurica (Lev) G. Arnaud
- Oidiopsis sicula Scalia [anamorph]
- = Oidiopsis gossypii (Wakef.) Raychaudhuri
- Salmonia malachrae (Seaver) Blumer & E. Muller
- Rust
- Cotton rust
- Puccinia schedonnardi Kellerm. & Swingle
- Southwestern cotton rust
- Puccinia cacabata Arth. & Holw. in Arth.
- Tropical cotton rust*
- Phakopsora gossypii (Lagerh.) Hiratsuka
- Sclerotium stem and root rot = southern blight
- Sclerotium rolfsii Sacc.
- Athelia rolfsii (Curzi) Tu & Kimbrough [teleomorph]
- Seedling disease complex
- Colletotrichum gossypii Southworth
- Fusarium spp.
- Pythium spp.
- Rhizoctonia solani Kühn
- Thanatephorus cucumeris (A.B. Frank) Donk
[teleomorph]
- Thielaviopsis basicola (Berk. & Broome) Ferraris
- Chalara elegans Nag Raj & Kendrick [synanamorph]
- Stem canker
- Phoma exigua Desmaz.
- Target spot
- Corynespora cassiicola (Berk. & M.A. Curtis) C.T. Wei
Verticillium wilt
- Verticillium dahliae Kleb.
NEMATODES, PARASITIC
- Lance, Columbia nematode
- Hoplolaimus columbus Sher
- Reniform nematode
- Rotylenchulus reniformis Linford & Oliveira
- Root-knot nematode
- Meloidogyne incognita (Kofoid & White) Chitwood
- Sting nematode
- Belonolaimus longicaudatus Rau
VIRAL DISEASES
- (Also uncharacterized graft transmissible pathogens [GTP])
- Abutilon mosaic = Malvaceous chlorosis virus*
- suspect Begomovirus (Bemisia tabaci transmitted)
- Anthocyanosis*
- suspect virus
- Blue disease
- genus Polerovirus, Cotton leafroll dwarf virus (CLRDV)
- Leaf crumple
- genus Bigeminivirus, Cotton leaf curl virus (CLCuV)
- Leaf curl*
- genus Bigeminivirus, Cotton leaf curl virus (CLCuV)
- Leaf mottle*
- suspect virus (etiology unknown)
- Leaf roll*
- suspect virus (etiology unknown)
- Mosaic*
- suspect virus (etiology unknown)
- Psylosis*
- suspect virus (etiology unknown)
- Terminal stunt
- suspect virus (GTP; Cicadellidae associated)
PHYTOPLASMAL and SPIROPLASMAL DISEASES
- Phyllody*
- suspect phytoplasma
- Small leaf
- suspect phytoplasma
*Not known to occur naturally in the United States of America.