Orchid Diseases: Leaf Spots
Cercospoid Fungi, Guignardia & Phyllosticta and Septoria
Image 1
Cercospora on Cattleya Orchid Leaf
Image 2
Cercospora on Cattleya Orchid Leaf
Image 3
Cercospora on Vanda Orchid Leaf
Image 5
Guignardia Diamond Shaped Lesions
Image 6
Thai Disease - Diamond Shaped Lesions
Image 7
Phyllosticta on Dendrobium - photo by AOS
Image 8
Phyllosticta on Dendrobium - photo by AOS
Image 9
Cercospora on Cattleya Irregular Blotches
Image 10
Cercosporoid Fungi on Cattleya Leaf
Image 11
Cercosporoid Fungi on Cattleya Leaf
Image 12
Cercosporoid Fungi on Cattleya Leaf
Image 13
Leaf Mottling on Upper Leaf Surface
Image 14
Cercosporoid Spores on Leaf Underside
Image 15
Cercosporoid Fungi on Cattleya
Image 16
Older Leaves Most Noticeably Infected
Image 17
Large Coalescing Cercoporoid Spotting