Elsinoë fawcettii
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Author: Paul Fourie, South Africa
Source: Studies in Mycology (2017), vol. 87 p. 21
Source: Central Science Laboratory, Harpenden Archive, British Crown - IPM Images
Elsinoë fawcettii Bitanc. & Jenkins 1936
This fungus is widespread and infects citrus, causing citrus scab. Infections often result in serious economic losses for growers producing for the fresh fruit market. The disease is characterized by raised lesions on the fruits in the form of scabs or corky warts. Similar fruit symptoms are caused by Elsinoë australis. However, unlike in that pathogen, E. fawcettii lesions also develop on the leaves. The disease can be managed through resistant cultivars.
The conidia are hyaline and elongated with a size of about 5-10 × 2-5 μm. The ascospores are larger, about 10-12 × 5-6 μm with 1-3 septa. The spores disperse mainly through rain splashes.
| Vernacular names | |
|---|---|
| • Deutsch: | Schorf der Zitrusfrüchte |
| • English: | citrus scab |
| • Español: | roña de los agrios |
| • Français: | scab des agrumes |
Synonyms:
Sphaceloma fawcettii
- Other images of Elsinoë fawcettii (IPM Images and PaDIL - click to enlarge)
leaf symptoms - upper surface
leaf symptoms - lower surface
symptoms
symptoms
symptoms
