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Potato blight symptoms

Leaf blight (underside of leaf)

Leaf blight on underside of 4 leaf plant    View larger photo a Leaf blight (underside of leaf)

leaf blight (underside of leaf)

Leaf blight on underside of 3 leaf plant    View larger photo a Leaf blight (underside of leaf)

leaf blight (top side of leaf)

Leaf blight on top side of plant    View larger photo a Leaf blight (top side of leaf)

stem blight

Blight on stem of potato plant    View larger photo of Stem blight

leaf and stem blight

Blight on stem and leaf of potato plant    View larger photo of Leaf and Stem blight

tuber blight

Blight on a potato tuber

   View larger photo of Tuber blight

blight sporulating on potato leaf

blight sporulating on potato leaf    View larger photo of blight sporulating on a leaf
Photographs courtesy of Dr Louise Cooke, Applied Plant Science Division