Ziektes en gebreken uit de Verenigde Staten

oktober 30, 2011

Common scab of potatoes: Best management practices

'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

oktober 23, 2011

Additional potato cyst nematode infected field(s) found in Idaho

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...

oktober 11, 2011

Zebra Chip Finds Its Way to Idaho’s Potato Fields

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.

oktober 04, 2011

Scientists look for source of Alaska potato blight

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...

oktober 01, 2011

Idaho Potato Cyst Nematode containment area to expand

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...

september 12, 2011

Zebra chip disease hits potatoes in Oregon and Washington

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 ...

september 01, 2011

Late blight hits potatoes in Alaska

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.

mei 10, 2011

New Late Blight Tracking System

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.

april 06, 2011

Major late blight research project funded by the USDA

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.

april 03, 2011

New Focus on Potato webcast: Early Blight, a Global Management Issue on potatoes

"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

maart 25, 2011

Washington Potato Commission approves potato research for next season

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

maart 03, 2011

Dynasty® Seed Treatment Fungicide Now Available for Use on Potatoes

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.

februari 02, 2011

New strain of potato virus Y has industry’s attention

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

februari 02, 2011

Una nueva cepa del virus Y de la papa tiene la atención de la industria

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...

januari 05, 2011

Movento® From Bayer CropScience Effective Against Potato Psyllids Which Spread Zebra Chip Disease

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.

december 29, 2010

New PMN webcast: Black Dot Root Rot of Potato

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

november 11, 2010

New PMN webcast: Corky Ringspot Disease of Potato

'Focus on Potato' has published a new webcast: on 'Corky Ringspot Disease in Potato'

oktober 29, 2010

Investigador colombiano recibe beca del USDA para estudiar el patógeno causante del tizón tardío

La investigación realizada por el profesor Manuel Ospina Giraldo sobre el organismo que causó la hambruna de la papa en Irlanda, será financiada por el Departamento de Agricultura de los Estados Unidos (USDA), a través de una subvención de US$ 999.900 ...