Biology Reference
In-Depth Information
Sclerospora farlowii
Downy Mildew
of Ber-
muda grass, in the Southwest. Short, black, dead
areas prune off tips of leaves without serious
damage to grass. Tissues are filled with thick-
walled, hard oospores.
Sclerospora graminicola on cereals.
Sclerophthora macrospora (formerly
Sclerospor
a
macrospora
).
Downy Mildew
of
oats, crazy top of corn, wheat, barley, St.
Augustinegsrass, Kentucky bluegrass and wild
grasses. Plants bunch owing to shortening of
internodes.
Sclerospora
Oomycetes, Peronosporales
Oospore wall confluent with that of oogonium;
sporangiophore typically stout with heavy
branches clustered at apex; mycelium
intercellular, with small, knoblike, unbranched
haustoria; germination by germ tube or
swarmspores. Common in moist tropic regions
on corn, millet, sorghum, and sugar cane.
