Search results for " Betaflexiviridae"

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Evolutionary Analysis of Grapevine Virus A: Insights into the Dispersion in Sicily (Italy)

2022

Grapevine virus A (GVA) is a phloem-restricted virus (genus Vitivirus, family Betaflexiviridae) that cause crop losses of 5–22% in grapevine cultivars, transmitted by different species of pseudococcid mealybugs, the mealybug Heliococcus bohemicus, and by the scale insect Neopulvinaria innumerabilis. In this work, we studied the genetic structure and molecular variability of GVA, ascertaining its presence and spread in different commercial vineyards of four Sicilian provinces (Italy). In total, 11 autochthonous grapevine cultivars in 20 commercial Sicilian vineyards were investigated, for a total of 617 grapevine samples. Preliminary screening by serological (DAS-ELISA) analysis for GV…

grapevine disease; GVA; <i>Vitivirus</i>; <i>Betaflexiviridae</i>; DAS-ELISA; RT-PCR; phylogenetic analysisGrapevine disease GVA Vitivirus Betaflexiviridae DAS-ELISA RT-PCR Phylogenetic analysisPlant ScienceAgronomy and Crop ScienceFood ScienceAgriculture

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