First Report of Calonectria Leaf Spot Caused by Calonectria colhounii (Anamorph Cylindrocladium colhounii) on Rhododendron in Belgium.

• Robert Brown

Belgium is among the most essential Rhododendron-producing areas in Europe, with an annual sale of roughly 1.6 million vegetation. In June 2010, an outbreak of leaf spots on a number of 1000’s of Rhododendron cv. Marcel Menard vegetation befell at a nursery close to Gent. Diseased vegetation confirmed darkish brown leaf spots that enlarged and…