Difference between revisions of "Colletotrichum plurivorum"
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[[File:Colletotrichum plurivorum Persoonia 2019.jpg|350px|thumb|''Colletotrichum plurivorum'' - a+b) PDA culture, c+d) ascomata, e) section of ascoma, f-g) asci, h) immature ascus, i) ascospores, j) section through acervulus on pear fruit, k) conidia - scale bars: c = 200 μm; d = 50 μm; e–k = 20 μm (click on image to enlarge it)<br />Author(s): M. Fu et al. <br/>Source: [https://doi.org/10.3767/persoonia.2019.42.01 Persoonia (2019), 42, p. 22]]] | [[File:Colletotrichum plurivorum Persoonia 2019.jpg|350px|thumb|''Colletotrichum plurivorum'' - a+b) PDA culture, c+d) ascomata, e) section of ascoma, f-g) asci, h) immature ascus, i) ascospores, j) section through acervulus on pear fruit, k) conidia - scale bars: c = 200 μm; d = 50 μm; e–k = 20 μm (click on image to enlarge it)<br />Author(s): M. Fu et al. <br/>Source: [https://doi.org/10.3767/persoonia.2019.42.01 Persoonia (2019), 42, p. 22]]] | ||
<font color="#800000">'''''Colletotrichum plurivorum'''''</font> Damm, Alizadeh & Toy. Sato 2018 | <font color="#800000">'''''Colletotrichum plurivorum'''''</font> Damm, Alizadeh & Toy. Sato 2018 | ||
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Author(s): M. Fu et al.
Source: Persoonia (2019), 42, p. 22
Colletotrichum plurivorum Damm, Alizadeh & Toy. Sato 2018
This fungus has been mainly reported from tropical and subtropical regions. It is of quarantine concern in some regions like Europe (EFSA Panel on Plant Health report, 2021) and infects many plants (Damm et al., 2019). For example, it has been reported to cause leaf spot, anthracnose and fruit rot diseases. On papaya fruits, the lesions are dark brown, sunken and necrotic (Sun et al., 2019).
Short distance spread of the fungus occurs through conidia and ascospores, mainly as rain splashes and by wind. Infected seeds and planting material can result on long distance spread. Between cropping seasons, the fungus persists in plant debris, ascomata perithecia, or alternative hosts.
C. plurivorum belongs to the Colletotrichum orchidearum species complex. The conidia are hyaline, smooth-walled, aseptate, and straight, around 12-15 x 1 µm in size. The ascospores are initially hyaline, turning pale brown with age. They are smooth-walled, sausage-like and tapering towards the rounded ends, with a size of around 15 x 2 µm.
For a review see the EFSA Panel on Plant Health report (2021).
