The symptoms are highly
variable, depending on the variety, the
virus and the environment. Some of the
more common symptoms include;
chlorotic bands or ringspots, wavy lines,
yellow vein banding, oak-leaf pattern, and
general mosaic (splotches of yellow and
green on leaves). Color-breaking (mottled
flower color) has also been reported in
some cultivars. Symptom development on
only a portion of a plant is common.
Some infected plants never express
symptoms. Symptoms usually appear in
the spring and remain throughout the
growing season.