Some of my plants have powdery mildew, is there a cure?
Powdery mildew tends to attack plants that are weak, often from being grown in the wrong conditions.It is best to ensure that plants are in their ideal position and have the correct treatment.For example,a sun-lover will struggle in shade and be at greater risk of infection.Often powdery mildew attacks plants that are struggling to get enough water, so keep plants well watered and keep the compost or soils at the correct moisture levels for that particular plant.If you see signs of the mildew which normally looks like a white powder then remove the infected parts of the plant.
Fungicides are available to the home gardener for powdery mildew control, containing Myclobutanil (available as various products and formulations, including Bio Systhane Fungus Fighter (liquid concentrate) and Bio Fungus Fighter (ready-to-use spray).
To combat an infection these should be used once every 10 days to check the mildew.
Once a plant has powdery mildew you will not be able to cure it, but by following this advice you should be able to keep the plant healthy
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