Researchers: Volunteer plants not a source of in-season spread of zebra chip disease

Volunteer potato plants growing from seed infected with zebra chip are likely too few in number and survive too briefly to contribute to the spread of the crop disease, according to new Oregon State University research findings. According to OSU plant pathology laboratory manager Jordan Eggers, “It looks like volunteers won’t be a source of the bacterium for in-season spread. The biggest source is migrating psyllids that have the bacterium.” More