马铃薯缺陷和疾病

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...

'Focus on Potato' of the Plant Management Network has published a new webcast: Common Scab of Potatoes By Thomas A. Zitter Ph.D., Professor, Dept of Plant Pathology, Cornell University, Ithaca, New York

Two new infestations of a microscopic wormlike pest that attacks potato plants have been discovered in eastern Idaho, state and federal agriculture officials say. Lloyd Knight of the Idaho Department of Agriculture said that both infestations of the p...

A potato pest from points south has reached Idaho, University of Idaho Extension specialists with the College of Agricultural and Life Sciences confirmed this week. It was reported last month in Oregon and Washington.

Potato late blight, that same disease that caused the Irish Potato Famine, resurfaced in Alaska this fall. This wasn’t the first time the disease, widespread in the Lower 48 and worldwide, came to Alaska. Plant pathologist Jenifer McBeath suspects it...

Potato growers in Eastern Idaho are questioning the effectiveness of the USDA's efforts to contain the pale cyst nematode (Globodera Pallida), a small wormlike pest that endangers Idaho's potato export markets. Several U.S. trading partners, including...

Zebra chip, a disease that annually costs Southwest U.S. potato growers millions of dollars in crop loss, has been found in Washington and Oregon. A USDA scientist and an Oregon State University plant pathologist confirmed zebra chip in tuber samples ...

Late blight has shown up in the fields of two potato producers, in Palmer and Delta Junction. Alaska. The University of Alaska Fairbanks Cooperative Extension Service is working with major potato producers to help prevent the spread.

A new USDA-funded consortium will provide nationwide tracking of late blight infections of potato and tomato.  A web site currently under development will allow users to report where late blight has been found, and to sign up for automatic notifications by email or text message when late blight is found nearby.

Given that world potato production is about 320 million tons per year (20 million tons per year in the United States) and world tomato production is about 120 million tons per year (13 million tons per year in the U.S.), late blight is a major problem worldwide even today.

"Focus on Potato"of the Plant Management Network has published a new webcast:Early Blight: A Global Management Issue on PotatoesBy Walter R. Stevenson, Ph.D.Professor EmeritusUniversity of WisconsinMadison, Wisconsin

The Washington Potato Commission approved about 742-thousand dollars in research projects for the upcoming growing season at its quarterly meeting this month.

Dynasty, available exclusively as a partner with CruiserMaxx® Potato insecticide/fungicide seed treatment, is a broad-spectrum and highly systemic fungicide that offers improved disease protection against the major classes of fungal pathogens.

A potato virus that has been around for years is mutating and that’s got both researchers and industry leaders worried.

Un virus de la papa que ha existido desde hace años está mutando y tiene preocupados tanto a investigadores como a líderes de la industria. Los productores han crecido viendo los síntomas que causa el virus Y de la papa, más conocido como PVY. La enfe...

Bayer CropScience representatives are gathering with potato growers during the National Potato Expo (January 5-7) to discuss the features and benefits of Movento® insecticide.

'Focus on Potato' has published its latest webcast, titled: “Black Dot Root Rot of Potato'