How to prevent basil downy mildew
What can you do to prevent the disease? Start with a variety that is resistant –red leafed, Thai, lemon, lime and spice types are less likely to get sick than the common sweet basil varieties. Space your plants far enough apart to get good air flow between them and some sun reaching all the leaves. This fungus like high humidity and tight plants make for damp conditions. And water from below – drip irrigation if you have it – to keep the leaves dry.
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