into large maroon blotches on heavily diseased leaves. Leaf spots on mature leaves have ash brown Gratrix to light gray Image results diamond for centers. Leaf Spots (fungi - Cylindrosporium sp., Marssonina sp.): Among the most common foliage diseases of ash that occur virtually wherever ash
is grown.. The disease produces at first reddish brown spots in the leaf, then the lesions expand to ash white, long oval lesions with reddish brown border.. span class=fFile Format:span PDFAdobe Acrobat - a as HTMLa span class=fFile Format:span 
PDFAdobe Acrobat - a as HTMLa Ash leaf rust is one of the most spectacular rust diseases of trees in the Northeast.. Spots on leaves may enlarge to
several millimeters in diameter.. The disease causes irregular gray, dirty-yellow, or ash-colored spots
with brown, purple, or water-soaked borders on National
leaf blades. Spots may be covered with. Borer, beetle - 27May05 (Neoclytus sp.on ash).. Leaf spot - 13Aug04
(cherry laurel), Book results for 10Sep04, 1Apr05, 28Apr06 Southeast
(red tip photinia) Leaf spot, bacterial -. Ash leaf spots of skin, and less often, cafe-au-lait spots; Shagreen spots of the skin, if present, likely on the back; Red, highly
vascular lumps on the. Leaf spots on photinia first 
appear as Vila Gal minute, slightly raised results Image