What can I use to get rid of white rust on my chrysanthemums?
Our Advice
If this fungus is not dealt with it can kill the plants. Try spraying your plants with Bug and Fungus Killer from Doff or Rosegarde from Vitax to control it. If they are badly affected, remove and burn your existing plants and start again with fresh stock after fumigating the greenhouse with a sulphur candle.
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