e-Gro Alert report by Brian Whipker:

How to manage leaf mottling and necrosis, stem lesions on Vinca

An infection by the Tomato spotted wilt virus (TSWV) of vinca resulted in leaf mottling and necrosis. Tan stem lesions are also present.

In two greenhouses, vinca plants with a slight upper leaf mottling and purplish-black leaf discolouration were observed. Upon closer inspection, a brown discolouration was present on the plant.

Click here to read the complete e-Gro Alert Report by Brian E. Whipker at e-gro.org (PDF) 

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