Ziektes en gebreken

Potatoes ready for transport (Gujarat, India)
juli 05, 2016
To boost potato export, India considers establishment of 'pest-free zones'
Aiming to boost potato exports, the Indian government is considering identifying ‘pest-free zones’ for the staple in production clusters of the growing states like Uttar Pradesh and West Bengal.
In the Red River Valley, 2016 is shaping up to be the year of the Colorado Potato Beetle (Leptinotarsa decemlineata).(Courtesy: @spudology / twitter)
juli 02, 2016
Colorado Potato Beetles are munching on in the Red River Valley
According to the University of Minnesota Extension 'Spudbug' Newsletter, it is shaping up to be a Colorado Potato Beetle (CPB) year in the Red River Valley.
Signing in for the annual potato field day at OSU Hermiston Agricultural Research and Extension Center
(Courtesy: OSU Hermiston Agricultural Research and Extension Center / Facebook)
juni 29, 2016
Searching for genes to make potatoes resistant to nematodes
Potato breeders at Oregon State University are working to identify the gene that makes certain potatoes resistant to nematodes, which could then be used to create new varieties.
Islas Canarias ayudará agricultores con cosechas de papas afectadas por la polilla
juni 27, 2016
Islas Canarias ayudará agricultores con cosechas de papas afectadas por la polilla
Los agricultores de la zona de medianías de La Orotava cuyas cosechas de papas estén afectadas por la polilla guatemalteca, recibirán ayudas tanto del ayuntamiento de este municipio como del Cabildo de Tenerife.
Potato and oat fields can be seen on the last day of planting on June 18 at Hemphill Farms in Presque Isle. The farm rotates fields between oats and potatoes. (Courtesy: Hemphill Farms / Bangor Daily News)
juni 27, 2016
Potato planting in Maine complete after winter dealing with Dickeya
Maine potato farmers have wrapped up planting and are hoping for a good year.
Potato Psyllid nymphs damage crops by feeding on foliage and by vectoring the bacterial pathogen Candidatus Liberibacter, resulting in the Zebra Chip disease (Courtesy : EPA)
juni 20, 2016
Biological control of Potato Psyllids by Parasitic Wasp approved by New Zealand Authority
The Environmental Protection Authority (EPA) of New Zealand has approved a type of parasitic wasp as a biological control agent to combat the tomato potato psyllid (a plant louse), which attacks tomatoes, potatoes, capsicums and tamarillos in the country.
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A potato field in Hassan, Karnataka. The pictures was taken mid July in 2009.
juni 18, 2016
Delayed monsoon spells trouble for potato growers in Hassan, Karnataka
Lack of rain has left potato growers of Hassan - a district in the Southern Indian state of Karnataka in distress.
Robert Green at work on his farm in Bedeque, Prince Edward Island (P.E.I.)
juni 16, 2016
Potato Farming on Prince Edward Island: Trying Something New
For years, PEI potato farmer Robert Green has been growing barley and canola in rotation with potatoes. This season, he’s decided to try something new.
The webcast is developed by Amanda Gevens, Associate Professor and Extension Plant Pathologist and the University of Wisconsin–Madison
juni 16, 2016
‘Focus on Potato’ Webinar: Late Blight Management
Late blight is a potentially destructive disease of potato and tomato crops worldwide that can result in significant losses if detected too late, diagnosed incorrectly, or if not treated properly.
Drones will fly over fields with their tanks filled with ladybirds, predatory mites or parasitic wasps and spread the insects precisely where pests are ravaging the crops.
juni 15, 2016
Research: Drones as delivery vehicle for biological control agents
The University of Southern Denmark is developing an ecodrone that will combat pests in completely new ways.
Cyst on a potato root
juni 14, 2016
Potato parasite’s `toolkit’ revealed
An international group of researchers has detailed the genome sequence and inner workings of the yellow Potato Cyst Nematode (PCN), providing new insights into how it can be stopped.
A million Irish died during the great famine in the country in the 1840s. The same number emigrated to the USA or other countries. The culprit was potato blight, which still plagues potato farmers today.
juni 10, 2016
The potato disease that changed the world
Potato blight changed Europe and America, and led to widespread deaths and mass emigration. And we’re not rid of it yet. But where did it come from?
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Nematodes are a microscopic worms that threaten potato production
juni 03, 2016
University of Idaho leads major research effort to reduce the threat of nematodes
The University of Idaho is leading a $3.2 million project to combat microscopic worms (nematodes) that threaten potato production.
Blackleg symptoms in the potato plant and tuber.
mei 26, 2016
New ‘Focus on Potato’ Webcast Helps Potato Growers Minimize the Spread of Blackleg
Blackleg, caused by strains of soft rot bacteria known as Dickyea, has traditionally had little impact on North American potato production, but it now appears to be on the move throughout Europe and could increasingly threaten growers in the Eastern United States.
España: Tratamiento para la pulguilla de la papa y la polilla guatemalteca
mei 25, 2016
España: Tratamiento para la pulguilla de la papa y la polilla guatemalteca
Artículo sobre los “Principales organismos nocivos de cuarentena en Galicia”, de Antón Vázquez Caamaño. Servicio de Explotaciones Agrarias de la Consellería do Medio Rural, delegación de Pontevedra.
Innate Potatoes (Generation 1) a genetically modified potato variety recently approved in Canada will not be grown commercially in Canada this year, says Simplot
mei 22, 2016
Innate Potatoes won't be grown in Canada this year.
Innate Potatoes, a newly-approved, genetically modified potato variety, will not be grown commercially in Canada this year, says Simplot.
Agriculture in Panama
mei 22, 2016
Research suggests highland farmers in Panama could start growing potatoes
According to evaluations performed by the Agricultural Research Institute of Panama (IDIAP), the producers in the highland and medium regions of the province of Cocle could start producing potatoes.
La plaga del mes: Gorgojo de los Andes
mei 09, 2016
La plaga del mes: Gorgojo de los Andes
Así la ha denominado el portal colombiano AgroNews. El Gorgojo de los Andes o gusano blanco de la papa (Premnotrypes spp.) se encuentra distribuido en Argentina, Chile, Bolivia, norte de Perú, la parte alta de la sierra de Ecuador, zonas altas de Colombia y en los Andes de Venezuela. Las pérdidas que ocasiona en el rendimiento del cultivo pueden ser del 50% dependiendo del nivel de población y manejo. La siguiente información le ayudará a identificarlo y controlarlo.

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