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.
Crops
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 plantvaxÂ
BALAOS-6
Richardson, MJ., 1990. An Annotated List of Seed-borne Diseases. International Seed Testing Association, Zurich, Switzerland
Mohanty NN, 1977. Mode of infection of "udbatta" disease of rice. Riso, 26:243-247
Mohanty NN, 1979. Seed borne nature and systemic character of infection of Udbatta disease of rice. Riso, 28:133-139
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.
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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