Nebraska plant viruses
Pokeweed mosaic
Pokeweed mosaic virus

Symptoms of alfalfa latent virus (pea streak) Minipurification of alfalfa latent virus (pea streak)

Symptoms of pokeweed (Phytolacca americana) mosaic virus (looks like TMV on tobacco)

Minipurification - the capsid protein is "heterogeneous"

Phytolacca is a perrenial which has slowly moved North. When I first came to NE it was found only in the extreme southeast