BACTERIAL DISEASES
- Bacterial blight
- Xanthomonas oryzae pv. oryzae (Ishiyama) Swings et al.
- = X. campestris pv. oryzae (Ishiyama) Dye
- Bacterial leaf streak
- Xanthomonas oryzae pv. oryzicola (Ishiyama) Swings et al.
- Foot rot
- Erwinia chrysanthemi Burkholder et al.
- Grain rot
- Pseudomonas glumae Kurita & Tabei
- Pecky rice (kernel spotting)
- Damage by bacteria (see also underfungal and miscellaneous diseases)
- Sheath brown rot
- Pseudomonas fuscovaginae (ex Tanii et al.) Miyajima et al.
FUNGAL DISEASES
- Aggregate sheath spot
- Ceratobasidium oryzae-sativae Gunnell & Webster
- (anamorph: Rhizoctonia oryzae-sativae (Sawada) Mordue)
- Black kernel
- Curvularia lunata (Wakk.) Boedijn
- (teleomorph: Cochiobolus lunatus R.R. Nelson & Haasis)
- Blast (leaf, neck [rotten neck], nodal and collar)
- Pyricularia grisea Sacc. = P. oryzae Cavara
- (teleomorph: Magnaporthe grisea (Hebert) Barr)
- Brown spot
- Cochliobolus miyabeanus (Ito & Kuribayashi) Drechs. ex Dastur (anamorph: Bipolaris oryzae(Breda de Haan) Shoemaker)
- Crown sheath rot
- Gaeumannomyces graminis (Sacc.) Arx & D. Olivier
- Downy mildew
- Sclerophthora macrospora (Sacc.) Thirumalachar et al.
- Eyespot
- Drechslera gigantea (Heald & F.A. Wolf) Ito
- False smut
- Ustilaginoidea virens (Cooke) Takah.
- Kernel smut
- Tilletia barclayana (Bref.) Sacc. & Syd. in Sacc.
- = Neovossia horrida (Takah.) Padwick & A. Khan
- Leaf smut
- Entyloma oryzae Syd. & P. Syd.
- Leaf scald
- Microdochium oryzae (Hashioka & Yokogi) Samuels & I.C. Hallett = Rhynchosporium oryzaeHashioka & Yokogi
- Narrow brown leaf spot
- Cercospora janseana (Racib.) O. Const.
- = C. oryzae Miyake
- (teleomorph: Sphaerulina oryzina K. Hara)
- Pecky rice (kernel spotting)
- Damage by many fungi including Cochliobolus miyabeanus (Ito & Kuribayashi) Drechs. ex Dastur, Curvularia spp., Fusarium spp., Microdochium oryzae (Hashioka & Yokogi) Samuels & I.C. Halett, Sarocladium oryzae (Sawada) W. Gams & D. Hawksworth and other fungi.
- Root rots
- Fusarium spp.
- Pythium spp.
- P. dissotocum Drechs.
- P. spinosum Sawada
- Seedling blight
- Cochliobolus miyabeanus (Ito & Kuribayashi) Drechs. ex
Dastur, Curvularia spp., Fusarium spp., Rhizoctonia
solani Kühn, Sclerotium rolfsii Sacc. - (teleomorph: Athelia rolfsii (Curzi) Tu & Kimbrough), and
other pathogenic fungi. - Sheath blight
- Thanatephorus cucumeris (A.B. Frank) Donk
- (anamorph: Rhizoctonia solani Kühn)
- Sheath rot
- Sarocladium oryzae (Sawada) W. Gams & D. Hawksworth
- = Acrocylindrium oryzae Sawada
- Sheath spot
- Rhizoctonia oryzae Ryker & Gooch
- Stackburn (Alternaria leaf spot)
- Alternaria padwickii (Ganguly) M.B. Ellis
- Stem rot
- Magnaporthe salvinii (Cattaneo) R. Krause & Webster
- (synanamorphs: Sclerotium oryzae Cattaneo, Nakataea
sigmoidae (Cavara) K. Hara) - Water-mold (seed-rot and seedling disease)
- Achlya conspicua Coker
- A. klebsiana Pieters
- Fusarium spp.
- Pythium spp.
- P. dissotocum Drechs.
- P. spinosum Sawada
MISCELLANEOUS DISEASES OR 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
- Straighthead
- Arsenic induced, unknown physiological disorder
- White tip (see nematodes)
- Aphelenchoides besseyi Christie
NEMATODES, PARASITIC
- Crimp nematode, summer
- Aphelenchoides besseyi Christie
- Root-knot
- Meloidogyne spp.
- Root nematode, rice
- Hirschmaniella oryzae (Soltwedel) Luc & Goodey
- Stem nematode, rice
- Ditylenchus angustus (Butler) Filipjev
VIRUS DISEASES
(Also a mycoplasmalike organism [MLO] disease)
- Giallume
- Barley yellow dwarf virus
- Rice black streak dwarf
- Rice black streak dwarf virus (RGSDV)
- Rice dwarf
- Rice dwarf virus (RDV)
- Rice grassy stunt
- Rice grassy stunt virus (RGSV)
- Rice hoja blanca
- Rice hoja blanca virus (RHBV)
- Rice necrotic mosaic
- Rice necrotic mosaic virus (RNMV)
- Rice rugged stunt
- Rice rugged stunt virus (RRSV)
- Rice stripe
- Rice stripe virus (RStV)
- Rice transitory yellowing
- Rice transitory yellowing wirus (RTYV)
- Rice yellow dwarf
- MLO
- Rice yellow mottle
- Rice yellow mottle virus (RYMV)
- Tungro (rice tungro disease) (RTD)
- Rice tungro spherical virus (RTSV)
- Rice tungro bacilliform virus (RTBV)
- original Article Here