马铃薯缺陷和疾病

Islas Canarias ayudará agricultores con cosechas de papas afectadas por la polilla
六月 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.
From the archive
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)
六月 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.
From the archive
[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)
六月 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.
From the archive
A potato field in Hassan, Karnataka. The pictures was taken mid July in 2009.
六月 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.
From the archive
Robert Green at work on his farm in Bedeque, Prince Edward Island (P.E.I.)
六月 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.
From the archive
The webcast is developed by Amanda Gevens, Associate Professor and Extension Plant Pathologist and the University of Wisconsin–Madison
六月 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.
From the archive
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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.
六月 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.
From the archive
Cyst on a potato root
六月 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.
From the archive
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.
六月 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?
From the archive
Nematodes are a microscopic worms that threaten potato production
六月 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.
From the archive
Blackleg symptoms in the potato plant and tuber.
五月 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.
From the archive
España: Tratamiento para la pulguilla de la papa y la polilla guatemalteca
五月 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.
From the archive
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Innate Potatoes (Generation 1) a genetically modified potato variety recently approved in Canada will not be grown commercially in Canada this year, says Simplot
五月 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.
From the archive
Agriculture in Panama
五月 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.
From the archive
La plaga del mes: Gorgojo de los Andes
五月 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.
From the archive
Guatemalan tuber moth larvae cause great damage to potatoes. (Courtesy: Pavan Kumar, Boyce Thompson Institute)
五月 05, 2016
Potato plants trigger aboveground defenses in response to tuber attacks
Potato plants boost the chemical defenses in their leaves when Guatemalan tuber moth larvae feed on their tubers, report researchers at the Boyce Thompson Institute (BTI).
From the archive
Close up of a potato leaf affected by phytophthora infestans (Courtesy: The Sainsbury Laboratory)
四月 25, 2016
New technique accelerates isolation of late blight resistance genes from a wild potato relative
A team of scientists from The Sainsbury Laboratory (TSL) and The Genome Analysis Centre (TGAC) have developed a new method to accelerate isolation of plant disease resistance genes and - using their new method - a brand new source of blight resistance genes in Solanum americanum, a wild relative of the potato.
From the archive
Dr. Ada Szczepaniec, Texas A&M AgriLife Research entomologist, examines psyllid activity. (Courtesy: Texas A&M AgriLife Communications photo by Kay Ledbetter)
四月 25, 2016
Growing Insecticide Resistance of Potato Psyllids investigated at AgriLife Research
Entomologist Ada Szczepaniec at Texas A&M AgriLife Research is addressing the concern of growing resistance of potato psyllids to the neonicotinoid classification of insecticides.
From the archive

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