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Balansia oryzae-sativae (udbatta disease )
Balansia oryzae-sativae
udbatta disease
Balansia oryzae, Ephelis oryzae, Ephelis pallida
Primarily Asia. Reported in Sierra Leone, Africa, New Caledonia, Vanuatu
LA, FL
2023-08-21
fungus
Rice, sorghum. Considered a minor pathogen of several other grains and grasses, including bermuda grass.
BALAOS
Reported only in LA, FL on rice.
3 Known Hosts
Cynodon dactylon
bermuda grass
No
No references found indicating seed is a pathway. May have been inferred because seed transmission occurs in rice. There are very few reports of this pathogen in this crop.
Oryza sativa
rice
Yes
BALAOS-2, BALAOS-3, BALAOS-4
Seed as a pathway for this pathogen is well documented and accepted.
Yes
Blotter method
This method has not been standardized or validated.
BALAOS-5
Seed disinfestation: hot water at 54 deg C for 10 min, solar treatment.  Seed treatment; Granosan MDB + vitavax or plantvax 
BALAOS-6
BALAOS-2
Richardson, MJ., 1990. An Annotated List of Seed-borne Diseases. International Seed Testing Association, Zurich, Switzerland
BALAOS-3
Mohanty NN, 1977. Mode of infection of "udbatta" disease of rice. Riso, 26:243-247
BALAOS-4
Mohanty NN, 1979. Seed borne nature and systemic character of infection of Udbatta disease of rice. Riso, 28:133-139
BALAOS-5
Misra, JK, Merca SD, Mew TW, 1994. Fungal pathogens. In: Mew TW, Misra JK, eds. A manual of rice seed health testing. Manila, Philippines: International Rice Research Institute, 75-89.
BALAOS-6
Mohanty NN, 1971. Control of udbatta disease of rice. Proceedings of the Indian National Science Academy, B, 37:432-439
Sorghum bicolor
sorghum
No
No references found indicating seed is a pathway. May have been inferred because seed transmission occurs in rice. There are very few reports of this pathogen in this crop.
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