Grapevine Pinot gris virus infecting grapevines in Romania - Short Communicaiton

https://doi.org/10.17221/65/2020-HORTSCICitation:

Guță I.-C., Buciumeanu E.-C. (2021): Grapevine Pinot gris virus infecting grapevine in Romania. Hort.Sci. (Prague), 48: 47–50.

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Grapevine Pinot gris virus (GPGV) has been identified in many grape growing countries of the world since 2012. The aim of this work was to investigate the presence of GPGV on some accessions collected from a germplasm collection, in addition to the propagation material and clonal selection samples. During 2019–2020, a total of 199 samples have been analysed by a double antibody sandwich – enzyme-linked immunosorbent assay (DAS-ELISA) for the presence of GPGV, Grapevine fanleaf virus (GFLV), Grapevine leafroll-associated virus-1+3 (GLRaV-1+3) and Grapevine fleck virus (GFkV). Among them, 107 samples (53.76%) showed a GPGV-infection, associated with or without symptoms on the leaves (deformations, chlorosis, mosaic, wrinkles) or stunting plants. The distribution of infected varieties showed a high rate of infection in old varieties (37.38%), followed by clones (32.71%), rootstocks (11.21%), clonal selections (9.35%) and new varieties (9.35%). The tests revealed the association of GPGV with GFkV (5 cases) and GLRaV-1+3 (2 cases). GPGV should be included in the rules of grapevine certification schemes for the production of virus-free mother plants.

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