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First report of a mixed infection of Potato virus Y and Tomato spotted wilt virus on pepper (Capsicum annuum) in Zimbabwe.

Karavina, C. ; Ximba, S. ; Ibaba, J. D. ; Gubba, A.

Plant Disease 2016 Vol 100 No. 7 pp. 1513;

Abstract

During surveys conducted in January 2015, pepper plants with typical viral symptoms, including plant stunting, leaf chlorosis, mottling and curling, were observed at a farm in Goromonzi District of Zimbabwe. Visual observations estimated symptom incidence at 15%. In addition, there was a high incidence of Frankliniella occidentalis and Myzus persicae in the field. The presence of Potato virus Y (PVY) and Tomato spotted wilt virus (TSWV) was detected on 10 symptomatic and 4 nonsymptomatic leaves based on serological and molecular analyses. This is thought to be the first record of a mixed infection of pepper by TSWV and PVY in Zimbabwe.