cotton stem with symptoms of Verticillium albo-atrum
Source: Clemson University - USDA Cooperative Extension Slide Series - IPM Images
Verticillium alboatrum Reinke & Berthold 1879
The fungus causes wilt diseases on a large variety of crops, e.g. on hop, alfalfa or cotton, and can cause significant yield losses.
For details see the respective page in BugwoodWiki.
- Other images of Verticillium albo-atrum (IPM Images and PLoS ONE - click to enlarge)
vascular streak on maple caused by Verticillium albo-atrum
colony on PDA (10 days), 4a) frontal view, 4b) reverse view (scales = 2 cm)
4c) conidiophore (29 days) on WA-p, 4d) branched conidiophore (29 days) on WA-p (scales = 50 µm)
4e) phialide after 29 days on PDA, 4f) conidia after 29 days on PDA (insets: pigmented, septate and constricted conidium) - (scales = 20 µm)
4g) resting mycelium after 33 days on WA-p, 4h) aggregated hyphae of resting mycelium after 28 on WA-p (scales = 20 µm)
4i) microsclerotium after 47 days on PLYA (scale = 100 µm), 4j) microsclerotium after 28 on WA-p (scale = 20 µm)
4k) microsclerotium formed in the lumen of a thick-walled plant cell after 32 days on WA-p, 4l) hypha containing yellow pigment after 10 days on PDA (scales = 20 µm)