Grape diseases

Grape — 3 diseases with symptoms, causes and treatment.

• Black rot on grapes — symptoms and treatment high

  Brown circular leaf lesions with dark margins and grapes turning black and shrivelling into hard mummies? Black rot — see pictures, causes and treatment.

• Esca (black measles) on grapes — symptoms and treatment high

  Interveinal leaf striping, dark spotted berries and vines collapsing suddenly overnight? Esca (black measles) on grapes — pictures, causes and treatment.

• Leaf blight (Isariopsis leaf spot) on grapes — symptoms and treatment medium

  Dark brown irregular spots with yellow halos and premature leaf drop on vines? Leaf blight (Isariopsis leaf spot) on grapes — pictures, causes and treatment.