What I understand about Non-persistent virus is that its acquisition rate lowers as the aphid spends more time on the source. If that is the case, if persistent virus requires longer acquisition time while non-persistent virus requires very short time, would NPT not be acquired by the vector?
There is no general and easy answer to this question. It depends on the species of virus, plant, and vector, respectively. But for some associations of persistently and non-persistently transmitted viruses, it is possible. See http://www.annualreviews.org/doi/pdf/10.1146/annurev.en.30.010185.000443