First report of Iris yellow spot virus in Uruguay
From October to December 2005, onion (Allium cepa) plants in seed-production fields in South Uruguay (Canelones) showed symptoms resembling those of Iris yellow spot virus (Tospovirus, IYSV – EPPO Alert List). In 2006, samples were collected from four symptomatic onion seed crops and IYSV was detected in all tested crops. In 2007, the disease incidence was monitored in two onion fields and ranged from less than 1% to 7%. This is the first report of IYSV in Uruguay.
The situation of Iris yellow spot virus in Uruguay can be described as follows: Present, first detected in 2006, found in the South on onion seed crops (Allium cepa).
Colnago P, Achigar R, González PH, Peluffo S, González H (2010) First report of Iris yellow spot virus on onion in Uruguay. Plant Disease 94(6), p 786.