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Encyclopedia > Leaf spot

Leaf Spots are round blemishes found on the leaves of many species of plants, mostly caused by parasitic fungi or bacteria. Look up foliage in Wiktionary, the free dictionary. ... For other uses, see Plant (disambiguation). ... A parasite is an organism that lives in or on the living tissue of a host organism at the expense of it. ... Divisions Chytridiomycota Zygomycota Ascomycota Basidiomycota The Fungi (singular: fungus) are a large group of organisms ranked as a kingdom within the Domain Eukaryota. ... Phyla Actinobacteria Aquificae Chlamydiae Bacteroidetes/Chlorobi Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Lentisphaerae Nitrospirae Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Verrucomicrobia Bacteria (singular: bacterium) are unicellular microorganisms. ...


A typical spot is "zonal", meaning it has a definite edge and often has a darker border. When lots of spots are present, they can grow together and become a blight or a blotch. Fungal spots are usually round or free-form in shape.


In most cases, leaf spots are considered to be only a cosmetic problem, but they can have economic effects on nurseries or in floriculture. The Latin words hortus (garden plant) and cultura (culture) together form horticulture, classically defined as the culture or growing of garden plants. ...


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  Results from FactBites:
 
Leaf Spot (914 words)
Spots on leaves are usually small (1/8 to 1/2 inches across) with a white to tan center and a purple border.
Gloeocercospora Leaf Spot (Gloeocercospora inconspicua) is of minor importance as a leafspot disease in NC.
Chlorotic spots with reddish borders are common on the leaf surface and may be mistaken for symptoms caused by the red ringspot virus.
Leaf spot - Wikipedia, the free encyclopedia (92 words)
Leaf Spot is a cosmetic disease of oaks and elms.
Many different fungi can cause spots on the leaves, but most of them are of little consequence.
When lots of spots are present, they can grow together and become a blight or a blotch.
  More results at FactBites »

 
 

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