Detection of Barley yellow dwarf virus in various grass species in the Kerguelen Islands and prevalence of Rhopalosiphum padi on these species.

aThe status of the various grasses is indicated in parentheses: p: perennial, a: annual, b: biennial. Data compiled from Lebouvier (personal communication) and Frenot et al. [1]bthe prevalence of R. padi on the various grasses is indicated using the following code: 0 = not observed; 1 = present in low numbers; 2 = locally abundant, and nt missing data. Data compiled from Hullé et al. [6]cBYDV was detected by RT-PCR unless for Poa cookii for which the results are a combination of immune tissue printing and RT-PCR.