Colletotrichum orbiculare

Colletotrichum orbiculare is a plant pathogen of melons and cucumber. It causes the disease anthracnose that can effect curcubits causing lesions on various parts of the plant. It can effect cucumbers, melon, squash, watermelon and pumpkin, especially when the weather is rainy, humid and warm. It can be transmitted by seed as well as soil and survive between crops. It is also spread by feeding cucumber beetles, splashing water, tools and workers. Efforts to control the fungus include the practice of rotating cucurbits out for a 2-year period, planting cultivars with resistance, burning infected crops and careful control of weeds. Chemical control measures are also available.[2]

Colletotrichum orbiculare
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Sordariomycetes
Order: Glomerellales
Family: Glomerellaceae
Genus: Colletotrichum
Species:
C. orbiculare
Binomial name
Colletotrichum orbiculare
(Berk. & Mont.) Arx, (1957)[1]
Synonyms

Colletotrichum lagenaria (Pass.) Ellis & Halst. [as 'lagenarium'], (1893)
Colletotrichum oligochaetum Cavara, (1889)
Cytospora orbicularis Berk., (1838)
Fusarium lagenaria Pass. [as 'lagenarium']
Gloeosporium lagenaria (Pass.) Sacc. & Roum. [as 'lagenarium'], (1880)
Gloeosporium orbiculare (Berk.) Sacc., (1884)
Glomerella cingulata var. orbiculare S.F. Jenkins & Winstead, (1962)
Glomerella lagenaria (Pass.) F. Stevens [as 'lagenarium'], (1931)
Glomerella lagenaria F. Stevens, (1931)
Myxosporium orbiculare (Berk.) Berk., (1860)
Sirogloea orbicularis (Berk.) Arx, (1957)

References
  1. Sherriff, Christine; Whelan, Mitzi J.; Arnold, Gillian M.; Lafay, Jean-Francois; Brygoo, Yves; Bailey, John A. (1994). "Ribosomal DNA Sequence Analysis Reveals New Species Groupings in the Genus Colletotrichum". Experimental Mycology. 18 (2): 121–138. doi:10.1006/emyc.1994.1014. ISSN 0147-5975.
  2. "Cucurbits, Anthracnose". The Center for Agriculture, Food and the Environment. 2015-01-06.


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