News on Zebra Chip disease

Las políticas del Gobierno han beneficiado a los importadores por encima de los productores nacionales. (Cortesía: Kattia Alvarado)
May 28, 2025
Costa Rica: evoluciona el conflicto interno por importación desde EE.UU
El país se haya en una lucha interna por la medida que amplia la importación de papa desde Estados Unidos. Ya no solo será papa para industria, sino ahora también fresca. Los productores se oponen.
The dark stripes on infected potatoes mark zebra chip disease. It has led to significant economic losses for producers due to reduced crop quality and marketability.
December 15, 2024
AgriLife Research leads collaboration to address zebra chip disease
Texas A&M AgriLife Research scientists are working on a new research project to fight plant diseases transmitted by psyllid insects — particularly the zebra chip disease, which has impacted potato production for decades.
Colombia: productores alerta contra el Zebra Chip
September 09, 2024
Colombia: productores alerta contra el Zebra Chip
El Instituto Colombiano Agropecuario organizó una jornada de capacitación para prevenir la llegada del patógeno a la región de Antioquia.
Europatat participates in a new Horizon Europe project to protect potato plants against emerging new pests
June 28, 2023
Europatat participates in PATAFEST, a new Horizon Europe project to protect potato plants against emerging new pests
Europatat is proud to become an active partner of a new EU Horizon Europe project called PATAFEST that aims at protecting potato plants by means of pest spreading and resistance characterisation, preharvest treatments, and post-harvest solutions.
SENASA: ‘Zebra chip’, plaga de la papa, no está presente en el Perú.
January 12, 2022
SENASA: ‘Zebra chip’, plaga de la papa, no está presente en el Perú
El Servicio Nacional de Sanidad Agraria (SENASA) descartó la presencia de la plaga ‘Zebra Chip’ en el Perú, luego de haber analizado 169 muestras de plantas e insectos procedentes de zonas productoras de papa, en la provincia de Huancabamba, región Piura.
 Seminario virtual capacitará en la identificación de tres plagas de la papa.
October 29, 2021
Seminario virtual organizado por el Centro Internacional de la Papa (CIP) capacitará en la identificación de tres plagas de la papa
Con el fin de que los países latinoamericanos a los cuales aún no han llegado el psílido de la papa ni la papa manchada de la papa y la punta morada conozcan sus síntomas y cómo identificarlas será dirigido este seminario.
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Funcionarios de la entidad recolectaron muestras fitopatológicas y entomológicas que son analizadas en Colombia e Italia.
May 05, 2021
Colombia: El Instituto Colombiano Agropecuario lidera brigadas fitosanitarias para vigilar la punta morada de la papa en Nariño
Funcionarios de la entidad recolectaron muestras fitopatológicas y entomológicas que son analizadas en Colombia e Italia.
Ventas. Las papas son menos en los mercados.
October 02, 2019
La producción de papas no es la misma en Salcedo
Desde el 2018 el Ministerio de Agricultura y ganadería alertó a los productores sobre la llegada al país de la plaga de la punta morada la que tomó por sorpresa a muchos ya que no habían escuchado sobre esta y por ende no sabían como manejarla.
Named after the dark stripes that form inside potatoes after they are cut and fried, zebra chip disease is a potentially devastating affliction that can result in yield losses up to 100% for farmers (Courtesy: K. D. Swisher Grimm and S. F. Garczynski)
April 20, 2019
New type of zebra chip disease discovered in potato fields of Oregon
ARS Researchers studied potato tubers from the Klamath Basin in Oregon infected with the causal bacteria of zebra chip disease. They confirmed the presence of the pathogen but did not identify the sample as one of the six known varieties (haplotypes).
Cómo Colombia evita el ingreso de la punta morada de la papa
January 10, 2019
Cómo evita Colombia el ingreso de la punta morada de la papa
A finales del año pasado, Ecuador reportó la presencia de la enfermedad, por lo cual el Instituto Colombiano Agropecuario (ICA) emitió una alerta temprana fitosanitaria y está tomando medidas de prevención.
Alannah Mactiernan, Minister of Agriculture and Food for Western Australia is visiting the seed potato farm of the Ayres family near Albany in March, who were awarded one of four Potato Industry Assistance Grants. They invested in sorting technology to bo
December 21, 2018
All Australian markets reopened for WA seed and ware potatoes as surveillance shows potato psyllids not infected
The government of Western Australia has announced that it has succeeded in regaining market access for Western Australian potatoes in all of Australia, following the detection of tomato potato psyllid in February 2017.
Plan emergente frente a nueva plaga de la papa en Ecuador
October 26, 2018
Plan emergente frente a nueva plaga de la papa en Ecuador
La punta morada se transmite a la plantas por medio de un insecto. Es una enfermedad de difícil control y detección y causa pérdidas significativas de rendimiento y calidad a nivel mundial.
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Potato harvest in Sinaloa, Mexico
September 19, 2018
New Mexican potato variety Citlali shows resistance to late blight and zebra chip disease
In Mexico, researchers of the National Forestry, Agriculture, and Livestock Research Institute (INIFAP), part of the Mexican Ministry of agriculture (SAGARPA), have developed a new potato variety, Citlali, with improved tolerance to diseases.
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.
July 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.
This is how the Zebra Chip Pathogen (Candidatus Liberibacter solanacearum) - transmitted by (tomato) potato psyllids (Bactericera cockerelli) - affects the appearance of fried potato slices.
(Courtesy: Government of Western Australia)
May 08, 2018
No Liberibacter (Zebra Chip pathogen) found in Potato Psyllids in Western Australia
In Western Australia, a surveillance program to assess if the last year detected tomato potato psyllid (TPP) carries the zebrachip disease pathogen (CLso), did not identify a single case of the pest - with over 10.000 psyllids tested.
Potato Psyllids: Bactericera cockerelli, nymph cases, nymph and adult
(Courtesy: Department of Agriculture and Food, Western Australia)
March 08, 2018
Psyllid tests could help potato market access in Western Australia
Potato farmers could see Eastern States markets reopen in the near future which are still closed to WA following the tomato potato psyllid outbreak last year.
Adult Potato Psyllid (Bactericera (paratrioza) cockerelli) (Courtesy: Gary McDonald)
October 25, 2017
Tasmanian potato growers step up potato psyllid surveillance
In Tasmania, Australia, surveillance programs for the tomato potato psyllid (TPP) are being ramped up as growers try to delay any incursion of the pest for as long as possible.
Potato psyllids that carry the Lso (Candidatus Liberibacter solanacearum) pathogen can cause zebra chip disease in potato crops.
October 23, 2017
Zebra chip pathogen found in Western Canada for the first time
For the first time, evidence of the zebra chip pathogen has been found in potato fields in southern Alberta, but the University of Lethbridge’s Dr. Dan Johnson cautions against panic.

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