News on Potato Defects and Diseases from the United States

The U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) today announced the launch of the State National Harmonization Program (SNHP) for seed potatoes.

Syngenta continues partnerships with key universities in Idaho, Michigan, North Dakota, Oregon and Washington to bring late blight hotlines to US potato growers in 2013.

Potato Psyllids Have Returned to Magic Valley, Idaho Or maybe they just never went away. Psyllids, a tiny insect that can damage potatoes, might be hardier than some people originally thought.

The pale cyst nematode, Globodera pallida, is one bad roundworm. Unchecked, it invades the roots of potato and other host crops to feed, obstructing the free flow of nutrients and causing stunted growth, wilted leaves, and other symptoms that can event...

It appears that potato psyllids, the tiny winged insects that can spread zebra chip disease in potato fields, will overwinter in Boise, Idaho, this season, despite the city experiencing one of its coldest Januaries on record.

Idaho potato growers at a Monday meeting in Burley approved processing contracts with J.R. Simplot and McCain Foods that both include payment increases averaging 1.6 percent.

Idaho potato growers will vote Monday in Burley on contracts with McCain Foods and J.R. Simplot Co. paying a 1.6 percent average increase, according to sources involved in negotiations.

Potato breeding developments being researched by graduate students in the Department of Plant and Soil Sciences of the University of Maine look to save the future of Maine’s iconic crop.

When a pathogen attacks a plant, infection usually follows after the plant’s immune system is compromised.  A team of researchers at the University of California, Riverside focused on Phytophthora and deciphered how it succeeded in crippling the potato...

Understanding the physiology of seed potato aging and how it affects crop growth and yield can be vital to the industry. Such knowledge will allow growers to adopt management practices that control the aging process and optimize tuber set and size.

South Korea has lifted a ban against Pacific Northwest-grown potatoes used for things like potato chips, but a ban on other fresh potatoes still remains because of a fear over a bacterium known as zebra chip, state officials announced Wednesday during ...

The Idaho potato industry is forming a task force to trace the origin of a ring rot flare-up that's affected roughly 20 farms, mostly in the Magic Valley area. University of Idaho Extension seed potato pathologist Phil Nolte, who will likely head the ...

As the annual potato harvest begins, Wisconsin farmers continue to check their fields for late blight, the ferocious plant disease that caused the 1848 Irish potato famine and fueled massive emigration from Ireland.

The latest Focus on Potato Webcast from the Plant Management Network is available and addresses the use of Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis: Using Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis

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.

ast year, zebra chip made headlines when the potato disease caught a couple of Columbia Basin growers off guard and devastated their crop.

The NDSU Potato Blightline for August 20th sponsored by Syngenta Crop Protection has been issued.