Downy Mildew Map of McLaren Vale.
As of the 6/12/2010.
Red Circles have 1 to 5 Downy Mildew Oilspots per 50 meters of vineyard row and Secondary Spread. Black circle has a higher level.
Downy Mildew Oilspots- Back of leaf has characteristic white down (above) - front of the leaf looks like it is a burnt spot (below).