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- Title
Canker on umbra tree caused by Fusarium sambucinum.
- Authors
Carranza, M. R.; Lori, G. A.; Larran, S.
- Abstract
Umbra tree is an ornamental plant native to South America that grows on the pampas plains and is cultivated in gardens and parks. It is a large-sized herbaceous plant which is cultivated to provide shade and for medicinal purposes. Since 1999 typical canker symptoms have been observed in plants from Buenos Aires province, Argentina. Small cankers appeared on young branches as elliptical grayish-brown areas, with dark brown and irregular margins. As the cankers enlarge up to 4-5 cm they girdle branches, defoliate and kill the apical portion. The surface of the central infected tissues appears slightly swollen and cracked. Perithecia were observed on older cankers.
- Subjects
FUSARIUM; OMBU; CANKER (Plant disease); MEDICINAL plants; PHYTOLACCA; PLANT diseases
- Publication
Plant Pathology, 2004, Vol 53, Issue 4, p532
- ISSN
0032-0862
- Publication type
Article
- DOI
10.1111/j.1365-3059.2004.01026.x