Phytophthora Fruit Rot

Phytophthora nicotianae var. parasitica

Names:

Strawberry Phytophthora Fruit Rot
Passionfruit Phytophthora Fruit Rot
Passionfruit Phytophthora Blight
Rhubarb Crown Rot
Pineapple Top Rot
Pineapple Root Rot

Description:

A fungal disease that lives in the soil and produces spores in warm, wet conditions.

Passionfruit

Translucent patches that soon turn light brown appear on leaves. Shots may die from the tip and turn black. On fruit, large, grey-green water soaked patches appear and turn light brown and often have cracks running through them. Infected leaves and fruit normally fall prematurely. Stem may be girdled killing portions of the vine that turns purple then brown as it dies.

Species Affected:

Passionfruit, Strawberry.

Biology:

Spores spread by raindrop splash, rain and wind

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Avoid planting in damp shady positions.
Prune very bushy vines.
Apply fungicides.

Related and Similar Species:

References:

1291

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.