This article is a list of diseases of rice (Oryza sativa). Diseases have historically been one of the major causes of rice shortages.[1]: 434 

Bacterial diseases

Bacterial diseases
Bacterial blight Xanthomonas oryzae pv. oryzae = X. campestris pv. oryzae[2]
Bacterial leaf streak Xanthomonas oryzae pv. oryzicola
Foot rot Dickeya dadantii/Erwinia chrysanthemi
Grain rot Burkholderia glumae
Pecky rice (kernel spotting) Damage by bacteria (see also under fungal and miscellaneous diseases)
Sheath brown rot Pseudomonas fuscovaginae

Fungal diseases

Fungal diseases
Aggregate sheath

Ceratobasidium oryzae-sativae
Rhizoctonia oryzae-sativae [anamorph]

Black horse riding

Curvularia lunata
Cochliobolus lunatus [teleomorph]

Blast (leaf, neck [rotten neck], nodal and collar)

Pyricularia grisea
= Pyricularia oryzae
Magnaporthe grisea[3] [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.
P. dissotocum
P. spinosum

Rust

Rice is immune to rusts.[4]

Seedling blight

Cochliobolus miyabeanus
Curvularia spp.
Fusarium spp.
Rhizoctonia solani
Athelia rolfsii
and other pathogenic fungi.

Sheath blight

Rhizoctonia solani

Sheath rot

Sarocladium oryzae
= Acrocylindrium oryzae

Sheath spot Waitea oryzae
Stackburn (Alternaria leaf spot)

Alternaria padwickii

Stem rot

Magnaporthe salvinii
Sclerotium oryzae [synanamorph]

Water-mold (seed-rot and seedling disease)

Achlya conspicua
A. klebsiana
Fusarium spp.
Pythium spp.
P. dissotocum
P. spinosum

Viruses

[5]

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
Rice tungro Complex virus (Rice tungro bacilliform virus and Rice tungro spherical virus) transmitted by green leafhopper Nephotettix spp.)
Straighthead[6] Arsenic induced, unknown physiological disorder
White tip (see nematodes) Aphelenchoides besseyi

See also

References

  1. ↑ Freedman, Amy (2013). "Rice security in Southeast Asia: beggar thy neighbor or cooperation?". The Pacific Review. Taylor & Francis. 26 (5): 433–454. doi:10.1080/09512748.2013.842303. ISSN 0951-2748. S2CID 153573639.
  2. ↑ "bacterial leaf blight of rice, Xanthomonas oryzae pv. oryzae Xanthomonadales: Xanthomonadaceae". Invasive.Org. Retrieved 2021-01-01.
  3. ↑ Dean, R. A.; et al. (2005). "The genome sequence of the rice blast fungus Magnaporthe grisea". Nature. 434 (7036): 980–6. Bibcode:2005Natur.434..980D. doi:10.1038/nature03449. PMID 15846337.
  4. ↑ McCandless, Linda (2011). "No rust for rice". Rice Today. Vol. 10, no. 1. CGIAR's Research Program on Rice & IRRI (International Rice Research Institute). pp. 38–39.
  5. ↑ Hibino, Hiroyuki (1996). "Biology and Epidemiology of Rice Viruses". Annual Review of Phytopathology. Annual Reviews. 34 (1): 249–274. doi:10.1146/annurev.phyto.34.1.249. ISSN 0066-4286. PMID 15012543.
  6. ↑ Straighthead of rice and its control
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