News on Phytophthora

Women selling Irish potatoes in a Ugandan food market
June 29, 2014

Kenya potato import plan worries region

Plans by Kenya to import Irish potatoes from the Netherlands have got agricultural experts worried, with some warning that it could bring a more virulent form of late blight to the region.
Ecuador: Se discuten estrategias de manejo del tizón tardío de la papa
June 25, 2014

Ecuador: Se discuten estrategias de manejo del tizón tardío de la papa

El 28 de mayo se realizó un taller para discutir y definir estrategias de manejo del tizón tardío de la papa. Asistieron 38 técnicos del Instituto Nacional Autónomo de Investigaciones Agropecuarias (INIAP), la Escuela Superior Politécnica de Chimborazo (ESPOCH) y la Universidad Central del Ecuador (UC).
Sporangia of P. infestans: sporangium from which a zoospore is germinating. (photo: B. G. Turgeon; Cornell University)
June 11, 2014

Breakthrough in understanding swarming potato blight spores

Researchers at the Universities of Dundee and Aberdeen have made a breakthrough in understanding how the microbial spores which cause potato blight are so effective at infecting plants.
Potato Blight warning issued in Northern Ireland
June 10, 2014

Potato Blight warning issued in Northern Ireland

In Northern Ireland, the Agri-Food and Biosciences Institute and CAFRE, Greenmount Campus has issued the first potato blight warning for 2014.
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.
UK: Potatoes emerge to perfect storm of blight pressure
May 15, 2014

UK: Potatoes emerge to perfect storm of blight pressure

In the United Kingdom, many potato crops are now emerging well - straight into conditions that pose a high risk of blight.
Bangladesh to introduce late blight resistant potato variety
May 14, 2014

Bangladesh to introduce late blight resistant potato variety

The Bangladesh Agricultural Research Institute (Bari) and Peru-based International Potato Centre (CIP) will introduce a late blight resistant potato for use in next season: Bari Potato - 46
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.
Simplified life cycle of Phytophthora Infestans (Schumann et. al.)
April 17, 2014

Neiker-Tecnalia scientists warn of new resistant late blight variants

Scientists at the Basque agricultural research Institute Neiker-Tecnalia have for the first time identified the existence in Álava-Araba of the two sexual types A1 and A2 of the fungus Phytophthora infestans and warn the crossing between both types could lead to the appearance of new, more aggressive strains resistant to routine phytosanitary teatments
Alberta potato growers prepare for late blight
April 15, 2014

Alberta potato growers prepare for late blight

Times have changed for Alberta potato growers. Up until four years ago, the province was virtually late blight-free. Lately, wet springs and high humidity — uncharacteristic for this region — have nurtured the growth and spread of the disease.
Neiker constata la presencia en España de dos tipos de reproducción A1 y A2 del hongo causante del tizón tardío de la papa
April 14, 2014

Neiker constata la presencia en España de dos tipos de reproducción A1 y A2 del hongo causante del tizón tardío de la papa

El cruzamiento entre ambos tipos producen variantes más resistentes a fungicidas convencionales y puede sobrevivir en condiciones adversas.
Nu al Phytophthora gevonden in Belgie
April 14, 2014

Nu al Phytophthora gevonden in Belgie

In België is op een afvalhoop met aardappelen phytophthora geconstateerd.
Nuevo tipo de resistencia a enfermedad de la papa
February 17, 2014

Nuevo tipo de resistencia a enfermedad de la papa

Fitopatólogos de la universidad holandesa de Wageningen han descubierto un mecanismo que aumenta la resistencia a Phytophthora infestans, patógeno causante de una de las enfermedades más devastadoras de la papa, el tizón tardío.
Late blight symptoms on potato leaf
February 12, 2014

Late Blight expected to affect potato yield in West Bengal

Potato production in West Bengal is likely to be lower by 10-15 per cent on ‘late blight’ in a quarter of the growing districts.
Understanding the threat of late blight under climate change, from Ecuador to Nepal
January 27, 2014

Understanding the threat of late blight under climate change, from Ecuador to Nepal

Shankar Kaji Shakya, a graduate student and research fellow from the University of Florida (UF), recently visited the office of the International Potato Center (CIP) in Quito, Ecuador to discuss the characteristics of late blight in the Andes with CIP scientists.
Potato affected by late blight (ARS)
January 21, 2014

Alberta takes up fight against late blight

A concerted effort has begun in Alberta Canada to raise awareness about the nastiness of late blight in tomatoes and potatoes.
 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.
Potato late blight
August 13, 2013

Alberta: watch out for late blight

Alberta Agriculture and Rural Development warns Alberta growers and gardeners for the risk of late blight.

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