Course Content
Disease of Rice
0/13
Bacterial leaf blight
Bacterial leaf streak ( Xanthomonas oryzae pv. Oryzicola)
Rice blast
Brown Spot or Sesame leaf spot or Helminthosporiose
Narrow brown spot /narrow brown leaf spot/ cercospora leaf spot
False smut of rice
Foot rot or bakane disease of rice
Sheath blight
Sheath rot
Rice tungro virus
Rice grassy stunt virus
Rice ragged stunt virus
Rice yellow dwarf disease
Disease of wheat
0/10
Black or stem rust of wheat
Leaf or Brown or orange rust of wheat
Yellow or strip rust of wheat
Loose smut of wheat
Kernel bunt of wheat
Common bunt of wheat
Yellow ear rot/Tundu disease of wheat
Ear-cockle of Wheat
Tan spot of wheat
Molaya disease of wheat
Maize disease
0/8
Downy mildew of maize
Northen leaf blight of maize
Southern leaf blight
Gray leaf spot of maize
Charcoal rot or hollow stem or stalk rot blight
Banded leaf and sheath blight(BLBS)
Bacterial Stalk rot of maize
Fusarium stalks and ear rot of maize
Sunflower disease
0/3
Charcoal rot/root rot of sunflower
Rhizopus head rot
Sclerotina head or stem rot
Cotton disease
0/2
Angular leaf spot/ bacterial blight/boll rot/black arm of cotton
Fusarium wilt
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Rice tungro virus

Causative agent: Rice tungro bacilliform virus(RTBV) and Rice tungro spherical virus(RTSV)

  • Transmitted by Green leaf hopper (Nephotettix virescens)

 

Rice virus disease in Indonesia: epidemiology and varietal resistance | Phytopathology Research | Full Text

Symptoms:

  • Yellow or orange-yellow discoloration is noticeable in tungro-infected plants.
  • Discoloration begins from the leaf tip and extends down to the blade or the lower leaf portion.
  • Infected leaves may also show mottled or striped appearance, rust-colored spots, and inter-veinal necrosis.
  •  Stunting, delayed flowering which may delay maturity, reduced number of tillers
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