News on Phytophthora from the United States

Innate™ generation two in this field survived late blight infection
September 01, 2015

USDA Deregulates Second Generation Innate™ GMO Potatoes

The J.R. Simplot Company is pleased that the USDA has deregulated the Russet Burbank variety of the second generation of Innate™ potatoes. Simplot is looking forward to the completion of the EPA registration and FDA consultation before the second generation of Innate™ potatoes can be introduced into the marketplace.
Idaho late blight outbreak is the worst since 1998
August 17, 2015

Idaho late blight outbreak is the worst since 1998

Late blight has become widespread in Idaho and is called the worst Idaho late blight outbreak since 1998.
La resistencia al Tizón Tardío como herramienta de control en los países en desarrollo
January 14, 2015

La resistencia al Tizón Tardío como herramienta de control en los países en desarrollo

El tizón tardío de la papa puede ser controlado con varias estrategias, incluyendo la resistencia del huesped. Desafortunadamente, los esfuerzos hasta la fecha para utilizarla han llevado a un éxito limitado. Este es el tema principal del artículo escrito por G. A. Forbes; M. Huarte para la Revista Latinoamericana de la Papa, Volumen 18 (2), 2014.
Potato Virus S may break down Phytophthora resistance in potato
September 28, 2014

Potato Virus S may break down Phytophthora resistance in potato

In a study published this summer, scientists of the Washington State University found that potato virus S (PVS) breaks down late blight resistance in potato.
Late blight continues spread in Eastern Idaho
September 03, 2014

Late blight continues spread in Eastern Idaho

Continued wet August weather has caused late blight infections to proliferate throughout Eastern Idaho, according to University of Idaho Extension potato pathologist Phil Nolte.
Infected tip of a potato stem, with necrosis and sporulation on the stem, petioles and leaves.(Cornell University)
July 28, 2014

Late blight reappears in Long Island potato, tomato fields

Late blight, a fungal-like pathogen that affects potato and tomato crops, has been confirmed on Long Island for the sixth consecutive year.
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Wisconsin Potato Field in bloom
July 24, 2014

Late Blight threatens Wisconsin Potato Fields

A potato disease known as Late blight is threatening some Wisconsin potato fields, but growers are well aware and making strides to prevent it from spreading.
Potato and Tomato affected by late blight
June 09, 2014

Univ. Florida Research: Late blight pathogen originates from Mexico

A University of Florida scientist has pinpointed Mexico as the origin of the pathogen that caused the 1840s Irish Potato Famine, a finding that may help researchers solve the $6 billion-a-year disease that continues to evolve and torment potato and tomato growers around the world.
El cambio climático no aumentaría el riesgo de diseminación del tizón tardío
April 19, 2014

El cambio climático no aumentaría el riesgo de diseminación del tizón tardío

Según una reciente investigación de las Universidades de Kansas y California-Davis, el Centro Internacional de la Papa y el Instituto Internacional de Investigación del Arroz.
 Late blight on a potato leaf
August 21, 2013

Wisconsin potato growers stay ahead of blight

Although late blight has been confirmed in 12% of Wisconsin’s counties, growers took aggressive action to control the disease and are predicting full yields and high quality potatoes of all varieties this season.
 Late blight
April 25, 2013

Syngenta potato hotline adds text message Alerts

Syngenta continues partnerships with key universities in Idaho, Michigan, North Dakota, Oregon and Washington to bring late blight hotlines to US potato growers in 2013.
Late blight (Phytophthora Infestans) on potato leaf
February 19, 2013

University of Maine looking for blight-resistant potatoes

Potato breeding developments being researched by graduate students in the Department of Plant and Soil Sciences of the University of Maine look to save the future of Maine’s iconic crop.
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February 08, 2013

Late blight pathogen blocks RNA silencing pathways of potato plants

When a pathogen attacks a plant, infection usually follows after the plant’s immune system is compromised.  A team of researchers at the University of California, Riverside focused on Phytophthora and deciphered how it succeeded in crippling the potato...
Phytophthora Infestans (Late Blight)
September 03, 2012

University of Wisconsin scientists probe, attack late blight in potatoes

As the annual potato harvest begins, Wisconsin farmers continue to check their fields for late blight, the ferocious plant disease that caused the 1848 Irish potato famine and fueled massive emigration from Ireland.
August 21, 2012

NDSU Potato Blightline for August 20

The NDSU Potato Blightline for August 20th sponsored by Syngenta Crop Protection has been issued.
 Late blight (Phytophthora Infestans) on potato leaf
July 05, 2012

New York State growers warned of late blight

Home gardeners and commercial growers are alerted of the potential introduction of late blight this growing season, as it has been confirmed in Suffolk County.
June 19, 2012

NDSU Potato Blightline - Recommendations for June 18

Late blight has not been reported in North Dakota, Minnesota or Manitoba. With the fair weather, late blight severity values are unchanged since Friday.
June 19, 2012

Pennsylvania potato, tomato growers hit by late blight, should remain vigilant

Late blight, the same disease that caused Ireland's potato famine in the 19th century, was confirmed in three Pennsylvania counties last week.

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