List of rice diseases
Rice disease
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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 |
| Black horse riding |
Curvularia lunata |
| Blast (leaf, neck [rotten neck], nodal and collar) |
Pyricularia grisea |
| Brown spot |
Cochliobolus miyabeanus |
| Crown sheath rot | |
| Downy mildew | |
| Eyespot | |
| False smut | |
| Kernel smut |
Tilletia barclayana |
| Leaf smut | |
| Leaf scald |
Microdochium oryzae |
| Narrow brown leaf spot |
Cercospora janseana |
| Pecky rice (kernel spotting) |
Damage by many fungi including |
| Root rots |
Fusarium spp. |
|
Rice is immune to rusts.[4] | |
| Seedling blight |
Cochliobolus miyabeanus |
| Sheath blight | |
| Sheath rot |
Sarocladium oryzae |
| Sheath spot | Waitea oryzae |
| Stackburn (Alternaria leaf spot) | |
| Stem rot |
Magnaporthe salvinii |
| Water-mold (seed-rot and seedling disease) |
Achlya conspicua |
Viruses
- Rice black-streaked dwarf virus
- Rice bunchy stunt virus
- Rice dwarf virus
- Rice gall dwarf virus
- Rice giallume virus
- Rice grassy stunt virus
- Rice hoja blanca tenuivirus
- Rice necrosis mosaic virus
- Rice ragged stunt virus
- Rice stripe necrosis virus
- Rice stripe tenuivirus
- Rice transitory yellowing virus
- Rice tungro bacilliform virus - see Tungro below
- Rice tungro spherical virus - see Tungro below
- Rice yellow mottle virus
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 |
| golden apple snail | Pomacea canaliculata |
| 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 |