Lilac, a highly aromatic plant, is a common victim of powdery mildew. Problem: Downy mildew is caused by fungus-like ...

Downy mildew, which looks strikingly similar to black spot, can become an increasing problem. “People are confusing them,” he said. “It’s difficult to tell the two apart.” Black spot ...

Spray plants with a good organic oil before removing the leaves as this will stick the fungus to the leaf to prevent spreading when the leaf is removed. Downy mildew is a different fungus ...

Researchers are now analyzing volatile chemicals emanating from grape leaves infected by a fungus called powdery mildew with the goal of improving training for vineyard canines. Nayelly Rangel ...