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First report of leaf spot, shoot blight, and stem and collar canker of Rhododendron spp. caused by Phytophthora citricola in the Czech Republic


, : First report of leaf spot, shoot blight, and stem and collar canker of Rhododendron spp. caused by Phytophthora citricola in the Czech Republic. Plant Disease 91(11): 1515

During the summer and autumn of 2006, a disease of rhododendron plants (Rhododendron catawbiense, Rhododendron repens (Rhododendron forrestii) and other Rhododendron spp.) was found in nurseries and public gardens in several areas of the Czech Republic. Leaves of damaged plants showed dark brown to black lesions extending along the midrib and commonly spreading to petioles and shoots. The infected shoots turned black and died.

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