马铃薯缺陷和疾病 来自美洲

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.

The Canadian Food Inspection Agency (CFIA) has confirmed a detection of potato rot nematode (Ditylenchus destructor) in garlic from a two-acre farm field in the Ottawa region of Ontario. Potato rot nematode (PRN) is a regulated quarantine pest in Cana...

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.

Excessive rains and an increased presence of late blight disease devastated the Cusco region of Peru in January-February 2010, which was declared a national emergency area.

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

No es que los productores de papa del Canadá sufran de la presencia generalizada del nematodo del quiste de la papa (NQP). De hecho, a diferencia de Europa, los brotes en América del Norte son pocos y distantes entre sí. Distribución del nematodo del q...

It's not that Canadian potato growers suffer from widespread presence of the Potato Cyst Nematodes (PCN). In fact, unlike in Europe, outbreaks in North America are few and far between.

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.

The Canadian Food Inspection Agency (CFIA) has completed all potato cyst nematode (PCN) soil sampling and testing of the 2010 seed potato crop and PCN was not detected.

The 2011 Prince Edward Island potato conference and trade show is an ideal opportunity for producers to discuss new research and development in the industry, says Agriculture Minister George Webster.

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...