Virus Diseases OF Chrysanthemum

Disease Information

Virus Diseases

Symptomsand damage

Chrysanthemums are subject to a large number of virus diseases, including mosaic, chrysanthemum smut virus, tomato spotted wilt virus, and aster yellows. Virus-infected plants generally have spindly, stunted shoots and yellowed foliage. Leaves may be marked with ring spots, lines, pale areas, or mottling. Infected plants are stunted, form dense "rosettes", and have small flowers. Virus diseases are spread by sucking insects such as aphids and leafhoppers.

Management

There is no cure for virus-infected plants. Remove and destroy them. To control the insects that transmit these viruses, Remove weeds that may harbor the viruses. Wash tools used around infected plant.

 



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