Ziektes en gebreken uit de Verenigde Staten

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.

Late blight has not been reported in North Dakota, Minnesota or Manitoba. With the fair weather, late blight severity values are unchanged since Friday.

Late blight, the same disease that caused Ireland's potato famine in the 19th century, was confirmed in three Pennsylvania counties last week.

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.

The Plant Pathology Department at North Dakota State University will again be providing the potato Blightline service at no charge to the potato industry of North Dakota and western Minnesota in 2012.

A highly cited recent article in the Idaho Falls based Post Register stated that there were new detections of Potato Cyst Nematodes in Idaho. The headline also made it to PotatoPro's News updates. The Idaho Potato Commission has provided a statement c...

Officials with the U.S. Department of Agriculture say a microscopic parasite that damages potato crops has been found in three more eastern Idaho fields, bringing the number of infected fields to 15.

Internal Heat Necrosis, or IHN, has many aliases. They include internal brown spot, physiological internal necrosis, internal browning, internal brown fleck, and chocolate spot. Whatever you choose to call this physiological disorder, it is an economi...

Barcodes may bring to mind the sales tags and scanners found in supermarkets and other stores. But U.S. Department of Agriculture (USDA) scientists are using 'DNA barcodes'to monitor insects that damage crops as diverse as wheat, barley and potatoes, and to make pest management decisions.

Wisconsin River Co-op recently announced that it has purchased Pest Pros Inc., an independent crop consulting firm and plant disease diagnostic laboratory located in Plainfield, Wisconsin. Pest Pros provides a range of crop management services to assi...

Much of Maine's seed potato supply for this year is infected with blight, and the state has asked the federal government for an emergency exemption to make an effective but expensive toxic seed treatment available to growers.

Volunteer potatoes in Michigan are surviving winters in increasing numbers, providing a bridge for late blight from one season to the next.

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

Idaho potatoes are still at the discussion table five years after a potato cyst nematode outbreak threatened crops in Bonneville and Bingham counties.

Insecticide resistance management is not always on the minds of potato growers when faced with menacing crop pests, but straying from the recommended usage guidelines can eventually make the situation much worse.

President Obama's budget proposal for Fiscal Year (FY) 2013 proposes cutting $700 million in the USDA's spending levels.The amount represents a 3 percent cut from FY 2012 USDA spending levels.