leaf spot disease

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• Leaf spot — Leaf Spots are round blemishes found on the leaves of many species of plants, mostly caused by parasitic fungi or bacteria. A typical spot is zonal , meaning it has a definite edge and often has a darker border. When lots of spots are present,… …   Wikipedia

• leaf spot — noun 1. : a discolored area on a leaf caused by parasitic organisms or environmental factors; especially : one having a more or less sharp line of demarcation between it and healthy tissue compare blotch, mosaic 2. : a disease characterized by… …   Useful english dictionary

• Corn grey leaf spot — Cercospora zeae maydis Scientific classification Kingdom: Fungi Division: Ascomycota Family: Mycosphaerella …   Wikipedia

• leaf spot — Plant Pathol. 1. a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis. 2. any disease so characterized. [1900 05] * * * …   Universalium

• leaf spot — noun a fungal, bacterial, or viral plant disease which causes leaves to develop discoloured spots …   English new terms dictionary

• Spot blotch (wheat) — Spot blotch is a leaf disease of wheat caused by Cochliobolus sativus .cite book last = Wiese first = M.V. title = Compendium of wheat diseases publisher = American Phytopathological Society date = 1987 pages = 124 pp ] cite book last = Martens… …   Wikipedia

• Grey leaf spot — Taxobox | name = Cercospora zeae maydis regnum = Fungi divisio = Ascomycota familia = Mycosphaerellaceae genus = Cercospora species = C. zeae maydis binomial = Cercospora zeae maydis binomial authority = Tehon E.Y. Daniels 1925Grey leaf spot is a …   Wikipedia

• angular leaf spot — noun also angular spot : a disease of plants in which the leaf spots have angular and usually sharply limited outlines (as that of cotton caused by the bacterium Xanthomonas malvacearum and that of cucumber caused by the bacterium Pseudomonas… …   Useful english dictionary

• strawberry leaf spot — noun or strawberry leaf blight also strawberry rust : a disease of the strawberry plant caused by a parasitic fungus (Mycosphaerella fragariae) and characterized especially by the tan to white more or less circular spots with a usually clear cut… …   Useful english dictionary

• cherry leaf spot — noun : a disease of the cherry caused by a fungus (Higginsia hyemalis) that produces localized dead spots on the foliage, fruit, and pedicels, a general chlorosis often occurring and the dead spots on the leaves often dropping out called also… …   Useful english dictionary

• gray leaf spot — noun : a disease of tomatoes caused by the fungus (Stemphylium solani) and characterized by regular water soaked brown leaf spots that become gray with age …   Useful english dictionary