Impatiens necrotic spot virus (INSV) (genus Tospovirus, family Bunyaviridae) has been detected in commercial nurseries and field-grown ornamentals in Mahallat (Markazi) and Tehran provinces of Iran. INSV on ornamentals was first reported in 1990 (2). Ornamental plants with small necrotic spots, leaf
Lettuce mosaic potyvirus (LMV) outbreaks in the Salinas Valley of California have increased in recent years despite a comprehensive lettuce mosaic management program. In a previous study, it was established that new serologically and/or genetically distinct LMV strains were not responsible for these
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