Fig. 3

Localization of APV1 in P. cryptus after different acquisition access periods (AAP). a and b The digestive system was separated from P. cryptus after 48 h AAP. c and d The digestive system was separated from P. cryptus after 72 h AAP. e and f The P. cryptus reared long-term on APV1-infected betel palm seedlings. Overviews (left) and partial enlargement (right) of the green fluorescence-marked APV1 virions were photographed under confocal microscopy after immunostaining