Summary
IMPATIENS walleriana, commonly known as Busy Lizzy, has in the last 30 years come from nowhere to be the nation"s favourite summer bedding plant because of its outstanding ability to flower continuously throughout the summer without the need for deadheading. However its popularity is now threatened by a menacing new disease, downy mildew (plasmopara abducens).
The disease is specific to impatiens and cannot spread to other bedding plants.The disesase is most prevalent during periods of low temperatures, high humidity and rainfall and is exacerbated by low nutrient levels in the compost.See the full content of this document
Extract
Mildew Thins Lizzy
Early signs of infection include leaf yellowing or mot...
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