Hommay, G., Alliaume, A., Reinbold, C., & Herrbach, E. 2021 Transmission of Grapevine leafroll-associated virus-1 (Ampelovirus) and Grapevine virus A (Vitivirus) by the Cottony Grape Scale, Pulvinaria vitis (Hemiptera: Coccidae). Viruses doi.org/10.3390/v13102081
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Notes: When nymphs sampled from leafroll infected vineyard plants were transferred onto healthy cuttings, only one event of transmission was obtained. However, when laboratory-reared, non-viruliferous nymphs were allowed to acquire viruses under controlled conditions, both first and second instar nymphs derived from two vineyards were able to transmit GLRaV-1 and GVA. This is the first report of GLRaV-1 and GVA transmission from grapevine to grapevine by this species.
