马铃薯缺陷和疾病 来自美国

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.

New York State Agriculture Commissioner Darrel J. Aubertine today announced that the Department, in conjunction with USDA, is removing more than 300,000 acres from regulation for golden nematode.

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...

Bayer CropScience today announced that Luna, the company's newest fungicide innovation, has received registration from the U.S. Environmental Protection Agency and is now available for sale, although Luna is not available in all States.

A worrisome tuber necrotic strain of Potato virus Y, called NTN, is now present in Idaho, Washington, Oregon and Montana, according to results of the 2011 Washington Commercial Seed Lot Trial.

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.