e-Gro Alert report by Brian E. Whipker:

Gerbera mottling and necrotic spotting

An infection by the impatiens necrotic spot virus (INSV) of gerbera resulted in leaf mottling and necrotic leaf spots. 

The two most common viruses reported on gerbera (Gerbera jamesonii) are impatiens necrotic spot virus (INSV) and tomato spotted wilt virus (TSWV). Problems mostly occur in random cases, but when either virus is present along with western flower thrips, extensive damage can be observed.

At one greenhouse this spring, they have been fighting western flower thrips continuously. Unfortunately, INSV was also present. With gerbea, the initial symptoms are typically a light green mottling.

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