List of rice diseases

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

Bacterial diseases
Bacterial diseases
Bacterial blight[1] Xanthomonas oryzae pv. oryzae = X. campestris pv. oryzae
Bacterial leaf streak[2] Xanthomonas oryzae pv. oryzicola
Foot rot 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.
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
Rice tungro Complex virus (RTBV and RTSV) transmitted by green leafhopper Nephotettix spp.)
Straighthead[4] Arsenic induced, unknown physiological disorder
White tip (see nematodes) Aphelenchoides besseyi
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See also
  • List of rice varieties

References
  1. "Bacterial leaf blight". www.rkmp.co.in. Retrieved 2017-10-28.
  2. "Bacterial leaf streak". www.rkmp.co.in. Retrieved 2017-10-28.
  3. Dean, R. A.; et al. (2005). "The genome sequence of the rice blast fungus Magnaporthe grisea". Nature. 434 (7036): 980–6. doi:10.1038/nature03449. PMID 15846337.
  4. Straighthead of rice and its control
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