Impatiens necrotic spot virus found again in Austria
In Austria, an isolated finding of Impatiens necrotic spot virus (Tospovirus, INSV – EPPO A2 List) had been reported in 2004 in Tyrol on Nemesia plants, and subjected to eradication measures (EPPO RS 2004/138). The NPPO of Austria recently informed the EPPO Secretariat of further findings of INSV on plants of Ocimum basilicum (basil) in Niederösterreich and Steiermark. Infested plants were found in nurseries where plants had been produced from seeds. The virus was detected by RT-PCR according to the EPPO Standard PM 7/34(1) at the laboratory of the Austrian Agency for Health and Food Safety (AGES) for the first case and by ELISA at the laboratory of the Plant Protection Service of Nordrhein-Westfalen (DE) in the second case. The NPPO has ordered the destruction of all infested plants.
The pest status of Impatiens necrotic spot virus in Austria is declared as follows: Present, few occurrences.
NPPO of Austria (2011-12).
EPPO Standard PM 7/34(1) Diagnostic protocol. Tomato spotted wilt tospovirus, Impatiens necrotic spot tospovirus and Watermelon silver mottle tospovirus