Aardappelziekte uit Amerika

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.

Presentación en PowerPoint de Andrés Arroyo Terán (Morera Ecuador S.A) en la I Expo Congreso Nacional de Papa, Expopapa (www.expopapa.com), realizada entre el 25-27 de noviembre de 2010 en la ciudad de Ibarra, Ecuador.

La Federacafé ha dicho que por la roya están afectadas más de 300.000 hectáreas, incluyendo algunas renovadas con variedades susceptibles. En papa el diagnóstico es semejante.

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 ...

Research by Professor Manuel Ospina-Giraldo on Phytophthora Infestans - the organism that caused the Irish Potato Famine - is being funded as part of a $999,900 “Education in Genomics-Based Microbial Forensics” grant from the United States Department of Agriculture.

Pueden ser pequeños, pero suponen un aporte de gran alcance. Los parientes silvestres de la papa que consumimos diariamente pueden ser la clave para superar uno de los enemigos más despiadados del cultivo. Un estudio publicado recientemente por cient...

They may be small but they pack a powerful punch. The wild relatives of the familiar potato varieties we find on our plates may yet hold the key to overcoming one of the crop’s most vicious enemies.

In Manitoba, harvest of processing potatoes is underway.

Los productores de papa de la Provincia de Manitoba están considerando cambiar a un ciclo más corto de pulverización de fungicidas si el tizón tardío continúa apareciendo en los campos de cultivo de la región. Vikram Bisht, patólogo vegetal de la Inic...

Manitoba Potato growers may consider switching to a shorter fungicide spray cycle as late blight continues to show up in fields throughout the potato growing regions of the province.Vikram Bisht, plant pathologist with Manitoba Agriculture, Food and Ru...

Despite hot dry weather, Late Blight was found in a field in northern Walsh County in northeast North Dakota late last week.This is in addition to finds in Dickey County in southeast North Dakota and in the Carberry and Carman areas of southern Manitob...

Potato late blight has been found and confirmed in the south Columbia Basin and Washington State University plant pathologist Dennis Johnson says more confirmations of the disease are expected this week. He says the disease was found in two locations. ...

A fungus that could seriously damage Manitoba's multimillion-dollar commercial potato industry has been spotted at commercial nurseries, Manitoba Agriculture says. The provincial agency has issued a warning to residential gardeners after "late b...

Worldwide, late blight is rated the worst of potato diseases. Intermittently since the 1990s, spores have turned up in commercial fields of Idaho, Washington, California and Oregon. When the spore is present it reproduces like a wildfire in cool, mois...

Potatoes are America’s number one vegetable crop. Per capita, Americans consume about 130 pounds annually.

Many readers are no doubt aware of last summer's late-blight infestation, in which a fungus, Phytophthora infestans, decimated local tomato and potato plantings. The fungus overwinters in southeastern United States but does not generally overwinter in ...