Ziektes en gebreken

Colonization and multiplication of Pectobacterium brasiliense Pb1692. Credit: Janak R. Joshi, Linxing Yao, Amy O. Charkowski, and Adam L. Heuberger
december 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.
Previously unknown variant of potato wart disease discovered in the Netherlands
december 22, 2020
Previously unknown variant of potato wart disease discovered in the Netherlands
According to a report by the Netherlands Food and Consumer Product Safety Authority (NVWA), an unknown variant of wart disease was discovered in agricultural fields in the municipality of Stadskanaal in the north-east of the country.
Harvest from a confined field trial in Uganda shows a significantly higher yield (right) for the 3R Victoria potato, and without the use of fungicide. (Courtesy: CIP)
december 17, 2020
Why a new potato variety could be a game-changer for farmers in East Africa
Imagine being a potato farmer in Ethiopia, Kenya, or Nigeria. On a small piece of land, which you depend on for food and income, you have spent months planting, weeding, and watering.
Close-up of late blight infected potato leaves collected in Indonesia (Courtesy: Phillip Wharton)
december 15, 2020
Researchers map late blight strains in potato on Java, Indonesia
A new study published in Plant Pathology identifies for the first time the genotypes of P. infestans, causing late blight in the main potato-growing regions in Java, Indonesia.
New Report of Potato Wart (Synchytrium endobioticum) in Prince Edward Island, Canada
december 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.
Se levanta el veto a la plantación de patata en la práctica totalidad de Asturias
november 30, 2020
Se levanta el veto a la plantación de patata en la práctica totalidad de Asturias
El Principado anulará en 2021 la prohibición de cultivar patata en todo el territorio, excepto en San Tirso de Abres y Vegadeo.
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Son Cariño, Ortigueira, Neda, Lourenzá, A Pastoriza, Riotorto, A Pontenova, Ribadeo y O Valadouro, ahora zona tampón
november 23, 2020
Nueve concellos de Galicia podrán volver a plantar patatas tras dos años sin couza guatemalteca
Son: Cariño, Ortigueira, Neda, Lourenzá, A Pastoriza, Riotorto, A Pontenova, Ribadeo y O Valadouro, ahora zona tampón
Potato Storage in the United Kingdom: regular checks vital this season for reducing risks
november 22, 2020
UK Potato Storage: regular checks vital this season for reducing risks
The continued wet weather in late October/early November in the United Kingdom has extended the harvesting season beyond eight weeks for some, which is clearly not good news where stores have been part-filled and cooling systems unable to function correctly.
Wildflowers could control aphid-borne viruses in potatoes
november 17, 2020
Wildflowers could control aphid-borne viruses in potatoes
Sowing wildflowers into potato crops could reduce aphid-carried viruses and offer an alternative to declining access to insecticides for growers.
World Potato Congress Inc. Webinar: 'Above and Below Ground: Diseases threatening sustainable potato production'
oktober 21, 2020
World Potato Congress Inc. Webinar: 'Above and Below Ground: Diseases threatening sustainable potato production'
The World Potato Congress is pleased to be beginning its Fall webinar series on November 12, 2020, with Professor Jacquie van der Waals from the University of Pretoria, South Africa.
Harvesting, prices and future plans: the potato situation in the regions of Russia
oktober 10, 2020
The 2020 potato harvest in the various regions of Russia
Since the start of autumn, potato producers in the regions of Russia have been facing many challenges, new and old. In the Russian Federation, the average annual volume of potatoes used for food purposes is estimated to be at 13-14 million tons, which makes potato one of the most important crops in Russia. In this article, we present information about the potato situation in various regions of Russia.
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)
oktober 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.
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Nueva plaga afecta los cultivos de papa en la provincia Ecuatoriana del Carchi
oktober 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.
Chinese researchers identify a new potato disease
september 29, 2020
Chinese researchers identify a new potato disease
Undescribed disease has been observed on potato plants during the growing season, and in tubers during the storage period, from Nileke County, Qitai County and other locations in Xinjiang, China.
The plant on the left is untreated and the fungi are clearly visible. The right plant was treated with the acid, the fungus could not cause any damage.
september 25, 2020
Researchers find new way to protect plants from fungal infection
Widespread fungal disease in plants can be controlled with a commercially available chemical that has been primarily used in medicine until now. This discovery was made by scientists from Martin Luther University Halle-Wittenberg (MLU) and the University of the State of Paraná in Brazil.
Researchers identify new resistance genes protecting potato against Phytophthora infestans
september 23, 2020
Researchers identify new resistance genes protecting potato against Phytophthora infestans
In a collaboration between the Chinese Academy of Agricultural Sciences and the James Hutton institute, a study of a diploid wild potato with a high resistance to P. infestans led to the discovery of new resistance genes
Important Potato Diseases and Tips to Manage them in Storage
september 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.
21st EAPR Triennial Conference – change of date and location!
september 14, 2020
21st EAPR Triennial Conference – change of date and location!
As you know the situation with coronavirus (COVID-19) is changing dynamically. Due to the pandemic and for the safety of our participants we have decided to postpone the 21st EAPR Triennial Conference further. The new Conference date is July 12-16, 2021.

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