Cucumbers, squash, melons. This is NOT the time to grow these in Central/South Florida. However this is a fantastic article.
http://www.growingproduce.com/crop-protection/disease-control/sustainable-disease-control-in-cucurbits/
This article is for growers but very relevant to a home gardener for downy and powdery mildews. COPPER is both their and our controls. Plant RESISTANT types. Grow UPRIGHT. Use STERILE tools. Don't TOUCH when damp. Avoid OVERHEAD watering. Remove and destroy (do not compost) diseased PLANTS and FRUITS.
http://www.growingproduce.com/crop-protection/disease-control/sustainable-disease-control-in-cucurbits/
This article is for growers but very relevant to a home gardener for downy and powdery mildews. COPPER is both their and our controls. Plant RESISTANT types. Grow UPRIGHT. Use STERILE tools. Don't TOUCH when damp. Avoid OVERHEAD watering. Remove and destroy (do not compost) diseased PLANTS and FRUITS.