a. the movement of viral particles through the plasmodesmata
b. the inheritance of an infection from a parent plant
c. bacteriophage transmitting viral particles
d. insects carrying viral particles between plants
e. the transferof filtered sap
Vertical transmission of a plant viral disease may involve:?
plant cells are pretty rigid and fixed together back to back, so (a) seems like the best answer, becase , all the other answers seems flakey
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