Bacterial Leaf Stripe
Pseudomonas avenae Manns
Symptoms: Water-soaking occurs at the ends of advancing
interveinal lesions, which vary in length from several centimeters
to more than 25 cm. Older lesions are usually light brown.
Pathogen and disease characteristics: The bacteria produce
acid when grown on arabinose, fructose, galactose, glucose, glycerol,
and sorbitol. Most isolates utilize citrate and grow at 41 °C.
Host range: Pearl millet, maize, sorghum, sugarcane
in primary citation. Additional hosts cited are barley, wheat,
oats, italian millet, barnyard millet (Panicum crus-galli
var. frumentaceum), proso millet, foxtail millet, finger
millet, rice, rye, and vaseygrass (Paspalum urvillei).
Geographic distribution: Nigeria.
Nomenclature discrepancies: None.
Seed transmission: Not known to be transmitted through
seed in pearl millet, but P. avenae has been demonstrated
to be seedborne in rice and vaseygrass.
Primary citation: Claflin et
Department of Agriculture
The material on this page is in the public
Original posting: June 5, 1999.