News on Phytophthora from Peru

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Maryluz Contreras from Colpar, Huancayo, shares her potato expertise as project staff and local farmers test and select the most promising varieties near her home.
November 10, 2025
CIP-Asiryq: New Blight-Resistant Potato Boosts Farmer Resilience
A new potato variety, CIP-Asiryq, developed by the International Potato Center and Indigenous farmers in Peru, resists late blight, cuts fungicide use, cooks faster, and boosts farmer income, offering a climate-resilient solution worldwide.
Chile: Con papa nativa quieren ponerle color a los alimentos
June 12, 2024
Perú: resistencia a tizón tardío
El CIP ha obtenido resultados sobresaliente en el desarrollo de su variedad CIP-Matilde, resistente al tizón tardío gracias a los cruzamientos con variedades silvestres.
Dos mil agricultores pierden S/ 300 mil por la rancha en papa
March 06, 2024
Perú: 550 hectares de producción perdidas por la phytophthora
En la provincia de Junin, Perú, más de dos mil productores perdieron un total aproximado de 550 hectáreas. Las fuertes lluvias favorecieron el desarrollo de la plaga.
CIP technicians harvest Matilde potatoes
October 14, 2021
The Future of Food is Wild: The story behind the CIP-Matilde potato variety
Climate change is making it harder for farmers to grow enough food to feed their families. A new potato variety called CIP-Matilde, developed by the International Potato Center (CIP) with support from the Crop Trust.
Identification of Elite Potato Clones with Resistance to Late Blight Through Participatory Varietal Selection in Peru
August 26, 2021
Identification of Elite Potato Clones with Resistance to Late Blight Through Participatory Varietal Selection in Peru
Potato is the most important crop in Peru and late blight is the main disease affecting the crop. However, new varieties that are resistant to late blight often lack other traits that farmers and consumers prefer.
Farmers without protective gear apply fungicides to control late blight in Huasahuasi in Junín, Peru.
June 29, 2020
Low-tech tool helps fight potato late blight
The International Potato Center (CIP), in partnership with research and development institutions in Ecuador and Peru, has developed a low-tech tool to help farmers optimize fungicide's use.
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Participants of the combined World Potato Congress and the 28th Congress of ALAP are enjoying a break between the presentations. More than 800 people from 50 countries gathered in Cusco, Peru.
June 10, 2018
World Potato Congress highlights scientific advances
Tubers were the talk of the town in Cusco, Peru during the week of May 27, when the 10th World Potato Congress (WPC) and the 28th Congress of the Latin American Potato Association (ALAP) were held together for the first time.
From the archive
Manchas necróticas de color marrón oscuras en el haz de las hojas (Foto: W. Pérez)
March 05, 2017
Como prevenir, controlar y eliminar el tizón tardío de la papa
Agronoticias entrevista al Ing. Agr. M.Sc. Willmer Pérez Barrera, investigador senior en manejo integrado de plagas del Centro Internacional de la Papa (CIP).
From the archive
Herramienta de apoyo a la toma de decisiones para el manejo del tizón tardío diseñada para el uso de agricultores de subsistencia
January 05, 2015
Herramienta de apoyo a la toma de decisiones para el manejo del tizón tardío diseñada para el uso de agricultores de subsistencia
Resumen de la ponencia que sobre el tema se presentó en el XXVI Congreso bienal de la Asociación Latinoamericana de la Papa (ALAP), celebrado recientemente en Bogotá.
From the archive
Evaluación de la resistencia en genotipos de papa a Phytophthora infestans bajo condiciones de campo [Guía]
October 16, 2014
Evaluación de la resistencia en genotipos de papa a Phytophthora infestans bajo condiciones de campo [Guía]
La presente guía tiene por finalidad asistir a los profesionales y técnicos a cargo de los ensayos diseñados para seleccionar genotipos de papa con resistencia a esta enfermedad.
From the archive
October 25, 2010
Wild potatoes’ genes enlisted in the late blight arms race
They may be small but they pack a powerful punch. The wild relatives of the familiar potato varieties we find on our plates may yet hold the key to overcoming one of the crop’s most vicious enemies.
From the archive
October 25, 2010
Los genes de las papas silvestres empiezan a ser parte de la lucha contra el tizón tardío
Pueden ser pequeños, pero suponen un aporte de gran alcance. Los parientes silvestres de la papa que consumimos diariamente pueden ser la clave para superar uno de los enemigos más despiadados del cultivo. Un estudio publicado recientemente por cient...
From the archive
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Agriculture and Agri-food Canada for news
April 22, 2010
David de Koeyer to study potato blight in Peru
A New Brunswick potato scientist will travel to Peru this month in an effort to help Canadian tubers fight blight.Dr. David De Koeyer, who works at the Potato Research Centre in Fredericton, has spent his professional life studying spuds.He's heading t...
From the archive

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