Noticias sobre la Fitóftora de Los Estados Unidos

From research to the fields, it's a partnership built on trust and innovation." – Andy Diercks, Potato Farmer at Coloma Farms and Amanda Gevens, UW–Madison Plant Pathology Specialist
Marzo 09, 2025
UW–Madison researchers and Wisconsin farmers work together to produce healthy potato harvests
Andy Diercks, a fourth-generation potato farmer from the small village of Coloma in central Wisconsin, is blunt about the difficult realities facing family-owned farms today.
A plant in Ireland with late blight disease
Enero 28, 2025
Study Points to South America – Not Mexico – as Birthplace of Irish Potato Famine Pathogen
Researchers at North Carolina State University identified the South American Andes as the origin of the Irish potato famine pathogen, Phytophthora infestans
A historic potato plant specimen collected by David Moore from the National Botanic Garden in Glasnevin, Ireland showing disease effects. (Courtesy: NC State University)
Agosto 26, 2024
Study Analyzes Potato-Pathogen 'Arms Race' After Irish Famine
In an examination of the genetic material found in historic potato leaves, North Carolina State University researchers reveal more about the tit-for-tat evolutionary changes occurring in both potato plants and the pathogen that caused the 1840s Irish potato famine.
Potato late blight
Abril 25, 2023
New Portable Device Uses Smartphone-Based Spectroscopy to Detect Late Blight Disease in Potato Crops
The device has the potential to transform the way that farmers detect and manage plant diseases, leading to more efficient and sustainable agriculture practices.
Potato infected with late blight (Courtesy: ARS / Scott Bauer)
Noviembre 08, 2019
Phytophthora infestans, causing late blight in potatoes, has a virus accomplice
A research team has identified a virus infecting Phytophthora infestans, the pathogen causing late blight in potatoes and tomatoes, that appears to increase the pathogen's ability to cause the disease.
Researchers using advanced imaging to detect blight in potatoes.
Octubre 14, 2019
Researchers using advanced imaging to detect blight in potatoes
Researchers in the WARF Accelerator program are using advanced imaging technology to detect late blight in potatoes, which famously led to the Irish potato famine in the mid-nineteenth century.
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Late blight has been confirmed in a potato field in central Wisconsin.
Agosto 13, 2019
Late blight detected in central Wisconsin, southern Washington
Late blight has been confirmed in a potato field in central Wisconsin.
Potato plants, in foreground, infected by late blight disease at Toluca Valley, Mexico. Background plants incorporate germplasm from wild potato varieties and display late blight disease resistance (Courtesy: Cornell University)
Junio 11, 2019
Cornell University improves global access to potato breeding material
Plant breeders and geneticists of Cornell University have released more than 50 potato varieties since 1908. Now they are expanding their efforts to make more wild potato seeds available to potato breeders around the world.
Potato field in Pennsylvania naturally infected with late blight, September 2014. Only surviving plants are Innate™ generation two (Courtesy: J.R. Simplot)
Agosto 06, 2018
ARS scientists streamline process to introduce multiple genes - as is required to make potatoes resistant to late blight
Agricultural Research Service (ARS) scientists in Albany, California, have found a way to streamline the process that scientists use to insert multiple genes into a crop plant. Simplot is planning to use it to introduce multiple genes into potatoes to make them resistant to late blight
Aerial view of a potato field near Rexburg, Idaho. Growers in Idaho say the crop is on track and look forward to warm weather in the weeks ahead.
Julio 09, 2018
Idaho potato crop on track despite early cool weather
Idaho potato fields looked good as of early July as plants closed in over rows, signaling the tubers are preparing to grow strongly amid the hot-day, cool-night march toward harvest.
The lesions caused by Phytophthora nicotianae look a lot like late blight with disease on foliage
(Courtesy: Dr. Jean Ristaino, NCSU)
Junio 10, 2018
Late blight look-alike spotted in potatoes in the Southern United States
Jean Ristaino, a professor at North Carolina State University with emphasis in research on Phytophthora infestans, reported on a late blight look-alike from tomato and potato in North Carolina.
James Woodhall and his team placed 14 spore samplers in potato fields across the Snake River Valley in Idaho.
Mayo 31, 2018
Spore Sampling may alert Idaho Potato Growers faster of Late Blight threat
Potato growers in Idaho will now have the opportunity to learn about the presence of damaging fungal pathogens much earlier, thanks to the efforts of research staff at the University of Idaho. The research team, led by James Woodhall, has placed 14 spore samplers in potato fields across the Snake River Valley.
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Benjamin 'Benjy' Firester, 18, of New York City, won the top award in the Regeneron Science Talent Search 2018 with a mathematical model that uses disease data to predict how weather patterns could spread late blight spores. (Courtesy: Society for Science
Marzo 14, 2018
Teen scientist wins USD 250,000 with late blight prediction model
Benjamin 'Benjy' Firester, 18, of New York City, won the top award in the Regeneron Science Talent Search 2018 with a mathematical model that uses disease data to predict how weather patterns could spread late blight spores.
Microtuber potato cultivars used in research by the Wisconsin Seed Potato Certification Program in a growth room at the Biotron Laboratory at UW–Madison (Courtesy: Bryce Richter)
Agosto 05, 2017
New Wisconsin State laws force potato growers to apply best practices
Wisconsin Governor Scott Walker signed two new measures involving the potato industry last Wednesday. One law makes use of certified seed potatoes mandatory, the other enforces a faster response to the presence of late blight
Approval of three second generation Innate potato varieties by the US Environmental Protection Agency and the Food and Drug Administration means Simplot is free to plant the potatoes this spring and sell them in the fall (Courtesy: Simplot).
Marzo 20, 2017
US government approved 3 more Simplot GMO potato types for cultivation and sale
The US federal government has given the final OK to three more types of potatoes genetically engineered by Boise’s J.R. Simplot Co. to resist Phytophthora - the pathogen that caused the Irish potato famine.
Memorial in Dublin, Ireland commemorating the potato famine of the 1840's caused by Phytophthora infestans
Enero 04, 2017
Study Provides Evidence on Movement of Potato Famine Pathogen
North Carolina State University research delves into the movement and evolution of the pathogen that caused the Irish potato famine in the 1840's - Phytophthora infestans -, which set down roots in the United States before attacking Europe
Examples of the damage done to potato fields in North East North Dakota: (Top:) A once promising potato field stands under water. (Bottom left:) A hail devastated potato crop in Pembina County. (Bottom right:) A potato field claimed by rain and hail.
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Julio 27, 2016
Weather Continues to Devastate Potato Crops in Northeast North Dakota
The heart of "Potato Country" in northeast North Dakota was devastated by baseball size hail that lasted up to 35 minutes last Tuesday night.
The webcast is developed by Amanda Gevens, Associate Professor and Extension Plant Pathologist and the University of Wisconsin–Madison
Junio 16, 2016
‘Focus on Potato’ Webinar: Late Blight Management
Late blight is a potentially destructive disease of potato and tomato crops worldwide that can result in significant losses if detected too late, diagnosed incorrectly, or if not treated properly.

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