Impatiens necrotic spot virus (INSV) is one of the most commonly encountered plant viruses in greenhouse production. This virus has an incredible large host range, known to infect over 300 species from 50 plant families.
Hosts include many commonly grown ornamentals – and also weeds and vegetables such as tomato and pepper.
The first step in managing this virus is to recognize it.
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The PDF, "A Pictorial Guide to Common Symptoms of INSV in Greenhouse Crops," has been posted to the E-GRO Alert website at http://www.e-gro.org/pdf/2015_429.pdf.
For more e-GRO Alerts, visit their website at www.e-gro.org.