List of rice diseases

This article is a List of Diseases of rice (Oryza sativa).

Bacterial diseases

Bacterial diseases
Bacterial blight	Xanthomonas oryzae pv. oryzae = X. campestris pv. oryzae
Bacterial leaf streak	Xanthomonas oryzae pv. oryzicola
Foot rot	Erwinia chrysanthemi
Grain rot	Burkholderia glumae
Pecky rice (kernel spotting) Grishma	Damage by bacteria (see also under fungal and miscellaneous diseases)
Sheath brown rot	Pseudomonas fuscovaginae

Fungal diseases

Fungal diseases
Aggregate sheath spot	Ceratobasidium oryzae-sativae Rhizoctonia oryzae-sativae [anamorph]
Black kernel	Curvularia lunata Cochliobolus lunatus [teleomorph]
Blast (leaf, neck [rotten neck], nodal and collar)	Pyricularia grisea = Pyricularia oryzae Magnaporthe grisea [teleomorph]
Brown spot	Cochliobolus miyabeanus Bipolaris oryzae [anamorph]
Crown sheath rot	Gaeumannomyces graminis
Downy mildew	Sclerophthora macrospora
Eyespot	Drechslera gigantea
False smut	Ustilaginoidea virens
Kernel smut	Tilletia barclayana = Neovossia horrida
Leaf smut	Entyloma oryzae
Leaf scald	Microdochium oryzae = Rhynchosporium oryzae
Narrow brown leaf spot	Cercospora janseana = Cercospora oryzae Sphaerulina oryzina [teleomorph]
Pecky rice (kernel spotting)	Damage by many fungi including Cochliobolus miyabeanus Curvularia spp. Fusarium spp. Microdochium oryzae Sarocladium oryzae and other fungi.
Root rots	Fusarium spp. Pythium spp. Pythium dissotocum Pythium spinosum
Seedling blight	Cochliobolus miyabeanus Curvularia spp. Fusarium spp. Rhizoctonia solani Sclerotium rolfsii Athelia rolfsii [teleomorph] and other pathogenic fungi.
Sheath blight	Thanatephorus cucumeris Rhizoctonia solani [anamorph]
Sheath rot	Sarocladium oryzae = Acrocylindrium oryzae
Sheath spot	Rhizoctonia oryzae
Stackburn (Alternaria leaf spot)	Alternaria padwickii
Stem rot	Magnaporthe salvinii Sclerotium oryzae [synanamorph]
Water-mold (seed-rot and seedling disease)	Achlya conspicua Achlya klebsiana Fusarium spp. Pythium spp. Pythium dissotocum Pythium spinosum

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Alkalinity or salt damage	Excessive salt concentration in soil or water
Bronzing	Zinc deficiency
Cold injury	Low temperatures
Panicle blight	Cause undetermined
Pecky rice (kernel spotting)	Feeding injury by rice stink bug, Oebalus pugnax
Straighthead	Arsenic induced, unknown physiological disorder
White tip (see nematodes)	Aphelenchoides besseyi

See also

• List of rice varieties

External links

• PlantVillage extensive details on diseases and in French also
• Common Names of Diseases, The American Phytopathological Society
• Straighthead of rice and its control hosted by the UNT Government Documents Department