Diseases of Sugarcane
(Saccharum spp. hybrids)

S. A. Ferreira and J. C. Comstock, primary collators (last update 3/21/93)

BACTERIAL DISEASES

Gumming disease*

Xanthomonas campestris pv. vasculorum (Cobb) Dye

Leaf scald

Xanthomonas albilineans (Ashby) Dowson

Mottled stripe

Pseudomonas rubrisubalbicans (Christopher and Edgerton) Krassilnikov

Ratoon stunting disease

Clavibacter xyli subsp. xyli Davis et al.

Red stripe (top rot)

Pseudomonas avenae Manns

= P. rubrilineans (Lee et al.) Stapp

FUNGAL DISEASES

Banded sclerotial (leaf) disease

Thanatephorus cucumeris (A.B. Frank) Donk

= Pellicularia sasakii (Shirai) Ito

(anamorph: Rhizoctonia solani Kühn)

Black rot

Ceratocystis adiposa (E.J. Butler) C. Moreau

(anamorph: Chalara sp.)

Black stripe*

Cercospora atrofiliformis Yen et al.

Brown spot

Cercospora longipes E.J. Butler

Brown stripe

Cochliobolus stenospilus Matsumoto & W. Yamamoto,
   nom. inval.

(anamorph: Bipolaris stenospila (Drechs.) Shoemaker)

Downy mildew*

Peronosclerospora sacchari (T. Miyake) Shirai & K. Hara

= Sclerospora sacchari T. Miyake

Downy mildew, leaf splitting form

Peronosclerospora miscanthi (T. Miyake) C.G. Shaw

= Sclerospora miscanthi T. Miyake

Mycosphaerella striatiformans N.A. Cobb

Eye spot

Bipolaris sacchari (E.J. Butler) Shoemaker

= Helminthosporium sacchari E.J. Butler in E.J. Butler & Hafiz Khan

Fusarium sett and stem rot

Gibberella fujikuroi (Sawada) Ito in Ito & K. Kimura

(anamorph: Fusarium moniliforme J. Sheldon)

G. subglutinans (E. Edwards) P.E. Nelson et al.

Iliau

Clypeoporthe iliau (Lyon) Barr

= Gnomonia iliau Lyon

(anamorph: Phaeocytostroma iliau (Lyon) Sivanesan)

Leaf blast*

Didymosphaeria taiwanensis Yen & Chi

Leaf blight*

Leptosphaeria taiwanensis Yen & Chi

(anamorph: Stagonospora taiwanensis Hsieh)

Leaf scorch*

Stagonospora sacchari Lo & Ling

Marasmius sheath and shoot blight

Marasmiellus stenophyllus (Mont.) Singer

= Marasmius stenophyllus Mont.

Myriogenospora leaf binding (tangle top)

Myriogenospora aciculispora Vizioli

Phyllosticta leaf spot

Phyllosticta hawaiiensis Caum

Phytophthora rot of cuttings

Phytophthora spp.

P. megasperma Drechs.

Pineapple disease

Ceratocystis paradoxa (Dade) C. Moreau

(anamorph: Chalara paradoxa (De Seyn.) Sacc.

= Thielaviopsis paradoxa (De Seyn.) Hohn.)

Pokkah boeng (that may have knife cut symptoms)

Gibberella fujikuroi (Sawada) Ito in Ito & K. Kimura

(anamorph: Fusarium moniliforme J. Sheldon)

G. subglutinans (E. Edwards) P.E. Nelson et al.

Red leaf spot (purple spot)

Dimeriella sacchari (Breda de Haan) Hansf. ex E. Abbott in S.J. Hughes et al.

Red rot

Glomerella tucumanensis (Speq.) Arx & E. Müller

= Physalospora tucumanesis Spec.

(anamorph: Colletotrichum falcatum Went)

Red rot of leaf sheath and sprout rot

Athelia rolsfii (Curzi) Tu & Kimbrough

= Pellicularia rolfsii E. West)

(anamorph: Sclerotium rolfsii Sacc.)

Red spot of leaf sheath

Mycovellosiella vaginae (Kruger) Deighton

= Cercospora vaginae Kruger

Rhizoctonia sheath and shoot rot

Rhizoctonia solani Kühn

Rind disease (sour rot)

Phaeocytostroma sacchari (Ellis & Everh.) Sutton

= Pleocyta sacchari (Massee) Petr. & Syd.

= Melanconium sacchari Massee in Speq.

Ring spot

Leptosphaeria sacchari Breda de Haan

(anamorph: Phyllosticta sp.)

Root rots

Marasmius sacchari Wakker

Pythium arrhenomanes Drechs.

P. graminicola Subramanian

Rhizoctonia sp.

Unidentified Oomycete*

Rust, common

Puccinia melanocephala Syd. & P. Syd.

= P. erianthi Padw. & Khan

Rust, orange*

Puccinia kuehnii (Kruger) E. Butler

Schizophyllum rot

Schizophyllum commune Fr.:Fr.

Sclerophthora disease

Sclerophthora macrospora (Sacc.) Thirumalachar et al.

Seedling blight

Alternaria alternata (Fr.:Fr.) Keissl.

Bipolaris sacchari (E.J. Butler) Shoemaker

Cochliobolus hawaiiensis Alcorn

(anamorph: Bipolaris hawaiiensis (M.B. Ellis) Uchida &
   Aragaki)

C. lunatus R.R. Nelson & Haasis

(anamorph: Curvularia lunata (Wakk.) Boedijn)

Curvularia senegalensis (Speg.) Subramanian

Setosphaeria rostrata K.J. Leonard

(anamorph: Exserohilum rostratum (Drechs.) K.J. Leonard
   & E.G. Suggs

= Drechslera halodes (Drechs.) Subramanian & P.C. Jain)

Sheath rot

Cytospora sacchari E.J. Butler

Smut, culmicolous

Ustilago scitaminea Syd. & P. Syd.

Target blotch

Helminthosporium sp. Priode

Veneer blotch*

Deightoniella papuana D. Shaw

White rash*

Elsinoe sacchari Lo

(anamorph: Sphaceloma sacchari Lo)

Wilt

Fusarium sacchari (E.J. Butler) W. Gams

= Cephalosporium sacchari E.J. Butler in E.J. Butler &
   Hafiz Khan

Yellow spot

Mycovellosiella koepkei (Kruger) Deighton

= Cercospora koepkei Kruger

Zonate leaf spot

Gloeocercospora sorghi Bain & Edgerton

MISCELLANEOUS DISEASES OR DISORDERS

Bud proliferation

Undetermined

Bunch top

Undetermined

Cluster stool

Undetermined

Internal stalk necrosis

Undetermined

Leaf freckle

Undetermined

Leaf stipple

Undetermined

Multiple buds

Undetermined

Stem galls

Undetermined

NEMATODES, PARASITIC

Lesion

Pratylenchus spp.

Root-knot

Meloidogyne spp.

Spiral

Helicotylenchus spp.

Rotylenchus spp.

Scutellonema spp.

VIRUS DISEASES

Chlorotic streak

Virus (putative)

Dwarf*

Sugarcane dwarf virus

Fiji disease*

Sugarcane Fiji disease virus

Grassy shoot*

MLO

Mosaic

Sugarcane mosaic virus

Sereh

Virus (putative)

Streak disease*

Maize streak virus, sugarcane strain

White leaf*

MLO

*Diseases not known to occur naturally in the United States.