Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition

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Passionfruit woodiness (156)

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Photo 1. Characteristic spotting and yellowing of leaves from infection by Passion fruit woodiness virus.

Photo 2. Leaves of passionfruit infected with Passion fruit woodiness virus showing yellow spotting throughout the leaf.

Photo 3. Fruit of passionfruit infected with Passion fruit woodiness virus. Distorted infected fruit (left); healthy (right).

Summary

• Worldwide distribution. Two viruses occur, either alone or more often together in cultivated and wild passionfruit. An important disease.
• The disease causes distorted leaves and small fruits, but seriousness depends on variety and virus strains.
• Spread is by aphids. The viruses are not seed borne.
• Cultural control: take scions from disease-free plants, and rootstocks from seed; carefully check every plant for symptoms before field planting; avoid planting near known hosts of Cucumber mosaic virus, e.g., banana, capsicum, chilli, cucurbits; weed (i.e., wild passion flowers); plant tolerant hybrids (yellow x purple).
• Chemical control: none recommended.

Common Name

Passionfruit woodiness

Scientific Name

Passionfruit woodiness potyvirus (PWV) and Cucumber mosaic cucumovirus (CMV). Both these viruses can cause woodiness symptoms alone, but often they occur together.

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