Noticias sobre los Defectos y Enfermedades de la Papa de Las Américas

Refuerzan vigilancia fitosanitaria para evitar ingreso de la polilla de la papa en Piura, Perú
Febrero 15, 2021
Refuerzan vigilancia fitosanitaria para evitar ingreso de la polilla de la papa en Piura, Perú
El Ministerio de Desarrollo Agrario y Riego, a través del Servicio Nacional de Sanidad Agraria – SENASA, mantiene el monitoreo preventivo de la plaga Tecia solanivora, conocida también como ‘Polilla Guatemalteca’
Native to the Rocky Mountains, the Colorado potato beetle has now spread to many parts of the world, chowing potato leaves, costing farmers millions—and quickly overcoming most every pesticide thrown in its way. A new UVM study sheds light on how these
Diciembre 29, 2020
How Colorado Potato Beetles Beat Pesticides
Native to the Rocky Mountains, the Colorado potato beetle has now spread to many parts of the world and quickly overcoming almost every pesticide thrown in its way. A new UVM study sheds light on how these insects become resistant so fast.
Colonization and multiplication of Pectobacterium brasiliense Pb1692. Credit: Janak R. Joshi, Linxing Yao, Amy O. Charkowski, and Adam L. Heuberger
Diciembre 29, 2020
Chemical composition of wild potato relative contributes to its resistance to pathogen
In a recent study published in the MPMI journal, scientists from CSU revealed that metabolites from S. chacoense contribute to disease resistance by altering the pathogenic behavior of Pectobacterium brasiliense, rather than inhibiting its growth or killing it.
New Report of Potato Wart (Synchytrium endobioticum) in Prince Edward Island, Canada
Diciembre 01, 2020
Presence of Potato wart (Synchytrium endobioticum) confirmed in Prince Edward Island
The Canadian Food Inspection Agency (CFIA) has recently confirmed the presence of potato wart in two fields on a farm in Prince Edward Island (PEI). Potato wart is a regulated quarantine pest in Canada.
Rick Peters, vegetable pathologist with Agriculture and Agri-Food Canada in Charlottetown, says scab is increasing on P.E.I. because of changing weather patterns. (Courtesy: Kirk Pennell/CBC)
Octubre 06, 2020
Canadian Scientists Look for Ways to Grow Scab-Resistant Potato
Two research scientists on P.E.I. have spent their summer trying to grow a better potato, more resistant to scab and greening, which are both costly problems for potato growers.
Nueva plaga afecta los cultivos de papa en la provincia Ecuatoriana del Carchi
Octubre 05, 2020
Nueva plaga afecta los cultivos de papa en la provincia Ecuatoriana del Carchi
Nueva plaga afecta los cultivos de papa en la provincia Ecuatoriana del Carchi. El insecto detectado en laboratorios de agro- calidad, luego de varios análisis y tomas de muestras en cultivos de papa es combatido a través de un manejo integrado con escuelas de campo.
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Important Potato Diseases and Tips to Manage them in Storage
Septiembre 18, 2020
Potato Diseases and Tips to Manage them in Storage
A key requirement for a longtime potato storage is that the storage conditions match the needs and end use of the crop. These requirements of can be assessed before harvest by doing several test digs which allow to determine the distribution and level of tuber infection.
Farmers without protective gear apply fungicides to control late blight in Huasahuasi in Junín, Peru.
Junio 29, 2020
Herramienta de baja tecnología ayuda en la lucha contra el tizón tardío de la papa
El Centro Internacional de la Papa (CIP), en colaboración con instituciones de investigación y desarrollo de Ecuador y Perú, desarrolló una herramienta de baja tecnología para ayudar a los agricultores a optimizar el uso de los fungicidas.
Potato brown rot bacteria found in Michigan greenhouse
Abril 27, 2020
Potato brown rot bacteria found in Michigan greenhouse in Geraniums
The United States Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of Ralstonia solanacearum race 3 biovar 2 (RSr3b2) in a single variety of geranium plants located in a Michigan greenhouse.
An interview with the editors of the book, Dr. Hugo Campos (left), Director of Research and Oscar Ortiz (right), CIP’s Deputy Director General of Research and Development at the International Potato Center.
Marzo 24, 2020
'The Potato Crop' Receives Enthusiastic Reception: An Interview with Co-Editors
An interview with co-editors, Dr. Hugo Campos, Director of Research and Oscar Ortiz, CIP’s Deputy Director General of Research and Development at the International Potato Center.
Large research project looks to combat major potato disease.
Marzo 23, 2020
Large research project looks to combat major potato disease
More than $3 million is being invested in studying a major cause of potato yield reduction in Prince Edward Island and other spud-growing areas in Canada.
A, Local hypersensitive resistance (HR) reaction resulted in wilting and dying of inoculated leaves. B, Systemic mottle and HR expressed as yellowing, necrotic rings and spots, and vein necrosis on upper noninoculated leaves. C, Severe HR symptoms on uppe
Febrero 26, 2020
Potato plants at highest risk of potato virus Y infection during first three weeks
Potato virus Y is the most economically important and devastating aphid-transmitted virus, affecting both tuber yield and quality. The virus is also a major cause of seed potato degeneration, which leads to regular flushing out of seed potatoes.
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PEI Potato Farms Using New Decision Support Tools to Improve Use of Crop Protectants
Febrero 14, 2020
PEI Potato Farms Using New Decision Support Tools to Improve Use of Crop Protectants
A growing number of Prince Edward Island potato farms are taking advantage of new technology to improve their use of crop protectants, including fungicides used to prevent late blight.
Chile: Mantienen Alerta Roja por Tizón Tardío que afecta cultivos de papas en provincia de Osorno.
Febrero 03, 2020
Chile: Mantienen Alerta Roja por Tizón Tardío que afecta cultivos de papas en provincia de Osorno
Se mantiene la Alerta Roja en algunos sectores de la provincia de Osorno, Chile, debido a la presencia de tizón tardío que afecta a cultivos de papas. Por esto, agricultores de la zona y desde la Unión Comunal de Juntas de Vecinos Rurales acusan poca ...
Dr. David Douches. Plant Breeding and Genetics. Michigan State University. Director, Potato Breeding and Genetics Program.
Enero 13, 2020
World Potato Congress Webinar: January 24, 2020 with Dr. David Douches
The World Potato Congress (WPC) continues with its webinar series in its 2020 on January 24, with a webinar featuring Dr. David Douches of 'Feed the Future – Biotechnology Potato Partnership'
This book brings together an array of useful, research-based information on areas ranging from potato’s nutritional contribution to genetics and genetic resources to value chains.
Diciembre 23, 2019
New Book to guide Potato Research and Development
The International Potato Center has published an open source book on potato research: 'The potato crop: its agricultural, nutritional and social contribution to humankind'.
Dickeya dianthicola is a serious bacterium that can cause tuber soft rot and blackleg (shown) in potatoes
(Courtesy: Government of Western Australia)
Diciembre 05, 2019
Online tool to detect blackleg disease in potato using DNA testing has widespread application
Scientists have developed a user-friendly online tool called Uniqprimer, which quickly and automatically designs species-specific DNA tags (also known as primers) for detecting pathogens such as Dickeya dianthicola using DNA testing.
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.

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