In this study, we examined the efficiency of transmission of three isolates of barley yellow dwarf virus (BYDV) from New York by two aphid species for the purpose of assessing the relative importance of these species as vectors. The influence of the duration of the aphid inoculation access period (IAP) on transmission was investigated for RPV and PAV isolates of BYDV transmitted by Rhopalosiphum padi and for MAV and PAV isolates transmitted by Sitobion avenae. For each aphid-isolate combination, 15 IAPs, ranging from 30 min to 72 hr, were tested (...)
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Alison G. Power (1991) studied this question.