Disease/Disorder Collection – Passionfruit Woodiness Virus
Name of Disorder: Passionfruit woodiness virus
Scientific name of pathogen causing disease: Potyvirus passionfruit woodiness virus
Type of disorder: Virus disease
Cause: The virus is spread by mainly two types of aphids; Myzus persicae and Aphis gossypii. The virus can also be spread mechanically.
Host plant where found: Passionfruit vine (Passiflora edulis)
Horticulture situation or host range where this disorder is typically found: Passionfruit vines
Plant symptoms: Yellow mottling of leaves, leaves become crinkled and show light and dark green mosaic patterns. No fruit evident on vine.
Spread: The virus is spread by mainly two types of aphids; Myzus persicae and Aphis gossypii. The virus can also be spread mechanically.
Conditions favouring: The presence of the two main types of aphids that will spread the virus. Infected plants and contaminated tools.
Control options suitable for this situation: Remove infected plant and replace with healthy specimen. Keep tools clean and monitor for aphids.
Identification Reference(including g page no): Plant protection 3, p F 91; Plant protection 1, p 273 – 292
The above information was kindly donated by Werner (Horticulturalist)
