News on Zebra Chip disease

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China Strengthens Phytosanitary Controls on Seed Potato Imports
August 03, 2026
China Suspends Seed Potato Import from Zebra Chip Disease Affected Countries
China has introduced new phytosanitary measures to prevent the entry of Candidatus Liberibacter solanacearum (CLso), suspending seed potato import approvals from affected countries and tightening import requirements for planting materials.
Costa Rica rechaza 40 contenedores de papa importada por riesgos fitosanitarios y de salud, y refuerza controles para proteger la producción nacional.
February 24, 2026
Costa Rica: continua la batalla de los productores con el sector importador
Productores de papa en Costa Rica celebran el rechazo de decenas de contenedores importados por incumplir normas sanitarias y exigen mantener inspecciones estrictas ante el riesgo de plagas y compuestos tóxicos que amenazan al cultivo y a los consumidores.
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.
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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.
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.
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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.
From the archive
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.
From the archive
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.
From the archive
Liberibacter Species Bacterium Identified as Prime Suspect in Zebra Chip Disease
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.
From the archive
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.
From the archive

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