Southeastern Ornamental Horticulture Production and Integrated Pest Management

News alerts and tips from Southeastern universities.

Downy mildew on impatiens identified in Georgia retail nursery and landscape

Dr. Jean Williams-Woodward- University of Georgia Plant Pathologist —————————————————————— Downy mildew on impatiens identified in Georgia retail nursery and landscape Downy mildew on impatiens (Impatiens walleriana), caused by Plasmopara obducens, has been confirmed from a commercial nursery and a home landscape sample this week. The commercial sample, submitted by the Georgia Department of Agriculture,…
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New Downy Mildew Affecting Impatiens!!!

Jean Williams-Woodward, UGA Extension Plant Pathologist   A relatively new downy mildew disease is infecting impatiens (Impatiens walleriana), a shade-tolerant, flowering annual plant that is a staple in landscapes. Downy mildew on impatiens caused by Plasmopara obducens was first seen in 2004 and it has shown up sporadically in the US since…
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