Enfermedad de la Mancha Rayada de la Papa

Researchers say populations of potato psyllids - vectors of a new crop disease to the region called zebra chip - are growing dramatically in the Columbia Basin.

The U.S. Department of Agriculture's Animal &Plant Health Inspection Service is working to provide data to officials in South Korea that it hopes will result in a reversal of a decision to ban potato exports from Oregon, Washington and Idaho.

The federal government is providing $109,000 for the University of Idaho to study an emerging plant disease the school says “poses a substantial threat to the state’s potato industry.” The money will be used to monitor potato fields for the presence o...

Northwest agriculture researchers in the US say they are finding more cases of a zebra chip disease in the region’s potatoes.

While other potato growers use preventative insecticide applications to protect their crops from a new disease to the Pacific Northwest, called zebra chip, Fred Brossy can only wait and see if it hits him.

Liberibacter, the bacterium responsible for zebra chip, has been found in an Idaho potato field.

Do potato psyllids migrate from one location to the next, starting in northern Mexico and moving northward as the potato season progresses, or are psyllid populations local?

The University of Idaho extension today announced that the potato psyllids found last month in Idaho tentatively tested positive for Liberibacter, Zebra Chip disease.

Two adult potato psyllids were found on yellow sticky cards that were collected June 19 from a Twin Falls County potato field, according to an alert issued Tuesday by University of Idaho Extension staff.

Researchers recommend potato growers in the Pacific Northwest intensify their field scouting programs for the potato psyllids that spread the crop disease zebra chip.

Oregon State University researchers say they've found two fields in their region harboring thousands of volunteer potato plants infected with the Liberibacter bacterium that causes the crop disease zebra chip.

One year, it's the potato tuber worm;another year, it's the beet leafhopper.

Thanks to investigations by scientists-turned-detectives with the U.S. Department of Agriculture (USDA) and other agencies, potato growers in the western United States and abroad now know the identities of the pathogen-insect duo responsible for outbre...

In October, the University of Idaho College of Agricultural and Life Sciences confirmed that Idaho’s potato growers faced a new challenge to the state’s most famous crop with the arrival of Zebra chip.

A potato disease that arrived late this summer in the Pacific Northwest called zebra chip likely can't be spread by planting infected seed, new research suggests.

Zebra chip disease nearly destroyed a large USA potato growing business, its owner and chief executive told the Cambridge University Potato Growers Research Association conference earlier this month.

Zebra chip, a disease that affects potatoes, was recently found in the potato-growing regions of Washington, Oregon and Idaho. The discovery brings to focus the growing need for scientific answers – something that will be discussed at the SCRI Zebra Ch...

In light of the recent confirmation of zebra chip in Idaho, Focus on Potato, a nonprofit potato crop management resource, has made open access its presentation on Zebra Chip Disease of Potatoes by Gary Secor of North Dakota State University. This pres...