Biology Reference
In-Depth Information
Plum Wart
, widespread and serious on garden
plums, also present on sweet and sour cherries,
chokecherry, and apricot.
Leptosphaeria
Ascomycetes, Dothideales
Perithecia in clusters on wood; spores dark, with
several cells.
Gibberidea heliopsidis (see
Leptosphaeria
heliopsidis
).
Black Knot
,
Black Patch
on
goldenrod and sunflower.
Leptosphaeria heliopsidis (formerly
Gibberidea heliopsidis
).
Black Knot
,
Black
Patch
on goldenrod and sunflower.
Fig. 1
Black Knot on
Prunus
sp.
