It could be a number of things. Insects likes scales appear as white splotches and fungal infections are often white. It could also be internal such as a viral infection.
Please upload images. Try and upload multiple images. Also, describe more your growing conditions and how big the problem is: do all leaves have it? All plants? For how long?
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by: David Hughes
(67 points)
Posted: January 6, 2016
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