News on Phytophthora from the Americas

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...

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 ...

A New Brunswick potato scientist will travel to Peru this month in an effort to help Canadian tubers fight blight.Dr. David De Koeyer, who works at the Potato Research Centre in Fredericton, has spent his professional life studying spuds.He's heading t...

The impact of late blight to potato growers in Michigan is clear and we estimate that many growers with crops going in to long-term storage will spend up to $350/A in crop protection products alone (not including application costs). Even such intense c...

Farmers in southern and central Maine have already reported cases of late blight in potato and tomato crops. Now the disease has spread to northern Maine.

Maine potato growers are thriving thanks to a late blight spraying advice offered by the University of Maine's cooperative extension program.