Defectos y Enfermedades de la Papa de Los Estados Unidos

Septiembre 02, 2010

New PMN webcast: The Changing face of Potato Virus Y

"Focus on Potato"of the Plant Management Network has published a new webscast: The Changing Face of Potato Virus Yby Dr. Stewart Gray of USDA-ARS

Septiembre 01, 2010

El CIP acaba de publicar en ingles un manual técnico sobre tizón tardío

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...

Agosto 09, 2010

Potato Psyllids found in North Dakota

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

Julio 08, 2010

Othello welcomes potato growers and scientists

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...

Julio 08, 2010

'Focus on Potato' offers webcasts and science backed information for crop protection

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...

Julio 08, 2010

Emisiones en Internet sobre protección de cultivos

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...

Julio 07, 2010

Late blight found in Walsh Country, North Dakota

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...

Junio 30, 2010

Late Blight shows up in Washington

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. ...

ARS researchers Dennis Halterman and Shelley Jansky

Junio 16, 2010

ARS: Fighting Potato Diseases by Enhancing Germplasm

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

Junio 16, 2010

Germoplasma de papa silvestre contiene una clave a la resistencia a enfermedades

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.

Tecia Solanivora (Guatemalan potato moth larva) courtesy André Kessler

Mayo 25, 2010

Research: Moth larvae spit boosts potato yield

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...

Late blight (Phytophthora Infestans) on a potato leaf

Mayo 20, 2010

Late blight hotlines

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...

Mayo 14, 2010

ARS and University of California attack zebra chip disease

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.

Defender: Green plants of the late blight-resistant potato variety Defender

Mayo 06, 2010

Defender: Late blight-Resistant Potato variety from ARS Research

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

Abril 24, 2010

Will there be a sequel to last summer's late blight with tomatoes, potatoes?

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 ...

Potato chips from potatoes affected by the Zebra chips disease (ARS)

Octubre 13, 2009

Liberibacter Species Bacterium Identified as Prime Suspect in Zebra Chip Disease

Since 2000, a mystery disease has struck some potato fields in Texas, Arizona, California, Nevada, and other western states, reducing tuber yields and quality.

Agosto 26, 2009

MSU Plant Pathologist Willie Kirk: monitor potatoes in storage for late blight

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...

Julio 15, 2009

Late Blight Found In Aroostook (ME) Potato Fields

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.