News on Potato Defects and Diseases from the Americas

El desarrollo de nuevas tecnologías ha permitido a los especialistas un mejor entendimiento de la biología del Phytophthora infestans (Mont.) de Bary. Sin embargo, mucha de esta información se presenta de forma fragmentada o en publicaciones que a vece...

In Manitoba, harvest of processing potatoes is underway.

The North Dakota State University (NDSU) Blight Line reports the finding of a potato insect pest new to North Dakota, the potato psyllid.

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...

The Plant Management Network (PMN), a nonprofit publisher of applied agricultural and horticultural information, announces the launch of  Focus on Potato, a resource that features webcasts and other science-backed information tools that will help potat...

La Red de Manejo de Cultivos (PMN, por sus siglas en ingles), una editorial sin fines de lucro con información agrícola y hortícola, anuncia el lanzamiento de "Focus on Potato", un recurso en ingles con emisiones por Internet y otras herramie...

Potato growers and scientists from Washington, Oregon and Idaho congregated at Washington State University’s Othello Research facility at Cox and Booker roads during Potato Field Day June 24 to exchange pertinent facts about pest control and water mana...

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. ...

Wild potato germplasm that offers resistance to some major potato diseases has been identified by Agricultural Research Service (ARS) scientists.

Científicos del Servició de Investigación Agrícola (ARS) han identificado germoplasma de una especie silvestre de papa que ofrece resistencia a algunas enfermedades principales de la papa.

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...

When a major South American pest infests potato tubers, the plant produces bigger spuds, reports a study by Cornell, University of Goettingen and National University of Colombia researchers.The secret is in the spit, write the researchers online in the...

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...

Developing a chemical attractant to monitor and manage the potato psyllid is the goal of a new cooperative agreement signed in March between the Agricultural Research Service (ARS) and the University of California (UC) at Riverside.

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 ...