date:Aug 20, 2012
nts, eradicants, or both. A protectant fungicide prevents new infections from occurring, whereas an eradicant can kill an existing infection. Apply protectant fungicides to highly susceptible plants before the disease appears. Once the mildew takes hold, it's difficult to control with a fungicide.
There are many less-toxic fungicides available, including horticultural oils, neem oil, sulfur, potassium bicarbonate and bicarbonate of soda (baking soda). A fungicide can be made at home by combining