Master Gardener Decision Support Guide
Perennials
Canna
The disease you have described is mosaic virus. It is spread
through aphids. Mosaic virus is almost impossible to prevent
because the aphids need only a few minutes to transmit the
disease. Once the canna has mosaic, removal is the best
control to prevent spread to other plants. Fortunately, mosaic
virus is not very common in canna. The variety "President" is
immune.
For more information see
Disease
Note (not available),
Picture (not available),
Pesticide Chart (Not available),
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Canna,
Perennials,
Master Gardener Decision Support Guide
Designed by Cyndi
Lauderdale on January 4, 2000.
Contents modified on March 3, 2000.