Ziektes en gebreken

Guatemalan tuber moth larvae cause great damage to potatoes. (Courtesy: Pavan Kumar, Boyce Thompson Institute)
mei 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).
Close up of a potato leaf affected by phytophthora infestans (Courtesy: The Sainsbury Laboratory)
april 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.
Dr. Ada Szczepaniec, Texas A&M AgriLife Research entomologist, examines psyllid activity. (Courtesy: Texas A&M AgriLife Communications photo by Kay Ledbetter)
april 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.
The Salim Group, one of Indonesia's largest business groups, signed an R&D agreement worth $10 million with seed producer East West Seed Indonesia - a JV between Enza Zaden and East West International - in The Hague on Friday (22/04) to boost potato produ
april 24, 2016
Salim Group signs R&D agreement with Dutch JV to boost Potato Production in Indonesia
The Salim Group, one of Indonesia's largest business groups, signed a R&D agreement worth $10 million with seed producer East West Seed Indonesia in The Hague last Friday to boost potato production in Indonesia.
Que es la marchitez bacteriana de la papa?
april 08, 2016
Que es la marchitez bacteriana de la papa?
Volante del Centro Internacional de la Papa (CIP) sobre esta enfermedad, que destruye el cultivo y no permite volver a sembrarlo.
[Video] Así se controla a la polilla guatemalteca en Canarias
maart 25, 2016
[Video] Así se controla a la polilla guatemalteca en Canarias
La Universidad de la Laguna en las Islas Canarias (España) adelanta un proyecto con varios agricultores para controlar biológicamente a la polilla guatemalteca.
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In this "Focus on Potato" presentation on potato blemishes, Jacquie van der Waals (Professor, Department of Plant Science, University of Pretoria, South Africa) focuses on known biotic causes.
maart 23, 2016
Blemishes of Table Potatoes: Common Biotic Causes
Potato tubers are affected by a number of blemishes, which can cause severe economic losses. This 'Focus on Potato' presentation by Jacquie van der Waals, Professor at the University of Pretoria in South Africa can serve as a guide for growers and others in the potato industry to help with identification of these blemishes.
DuRPh Scientists monitoring the status of the trial plots
maart 21, 2016
Durably resistant potatoes with wild potato genes offer 80% reduction in chemical control
Research to develop potatoes with sustainable resistance against phytophthora via genetic modification with genes from wild potatoes and good resistance management ended with the publication of the scientific results. The approach resulted in potato plants which require 80% less chemical control.
Imidacloprid is an effective insecticide against the Colorado potato beetle, which can seriously damage potato crops (Courtesy: ARS-USDA, CFIA)
maart 21, 2016
Maine potato growers concerned about losing Imidacloprid
Potato growers in Maine are cautiously watching the actions of the EPA as it reviews federal regulations for a popular insecticide (Imidacloprid - an effective insecticide against the Colorado potato beetle) that can be harmful to bees.
Wireworms cause damage to potato tubers due to feeding (Courtesy: Washington State Potato Commission) Top left: typical damage caused by early season feeding by wireworms. Top right: typical damage caused by feeding immediately prior to harvest. Right bot
maart 21, 2016
AAFC invented wireworm trap 'could be a major breakthrough'
A wireworm trap invented at Agriculture and Agri-Food Canada on PEI 'could be a major breakthrough'
A potato leaf showing late blight infection caused by Phytophthora infestans (Courtesy: Howard F. Schwartz, Colorado State University)
maart 10, 2016
Two Blades Foundation partners with Simplot and The Sainsbury Laboratory to advance potato disease resistance
The Two Blades Foundation (2Blades) announced a research partnership between 2Blades, The Sainsbury Laboratory, and J. R. Simplot Company to develop potato varieties with increased resistance to oomycete and bacterial diseases.
EPA Approves Federal Potato Registration for non-fumigant nematicide Velum® Prime
maart 10, 2016
EPA Approves Federal Potato Registration for non-fumigant nematicide Velum® Prime
The US Environmental Protection Agency (EPA) has granted federal registration of the new, non-fumigant nematicide Velum® Prime offered by Bayer CropScience's for use on potatoes.
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A potato tuber infected with Dickeya dianthicola, a bacteria that causes the rotting disease Blackleg, August 2015 (Courtesy: Steven Johnson). Blackleg symptoms include a blackened stem and wilting leaves. The bacteria Dickeya was a problem for growers in
maart 06, 2016
Dickeya Species pester Maine Seed Potato Growers
A little-understood bacteria is bringing back the older potato disease Blackleg and is threatening the reputation of Maine seed potatoes
Potato Field in Bloom on Prince Edward Island, August 2015 (PotatoPro)
maart 06, 2016
New potato protection products available in Canada for 2016
In 2016 a number of new crop protection products for use in potato cultivation are available in Canada
Modelling wind: 5 years daily wind trajectory 1994-1998 for the month February (Courtesy: CRC Plant biosecurity; earlier research).
maart 01, 2016
Research to guard natural potato psyllid pathways into Australia
Australian Researchers are working closely with the country's potato industry to investigate the potential for the highly destructive Tomato-potato psyllid (TPP) to enter Australia using natural pathways.
Researchers discovered that in this wild variety of potato (Solanum Microdontum) Calcium levels are about seven times higher than in a regular potato. They developed a molecular marker to facilitate the transfer of the high Calcium trait to newly bred pot
februari 24, 2016
Molecular Marker for high Calcium trait can help breeding better potato varieties
Researchers discovered that in a wild variety of potato (Solanum Microdontum) Calcium levels are about seven times higher than in a regular potato. They developed a molecular marker to facilitate the transfer of the high Calcium trait to newly bred potato varieties.
Disponibles las conferencias de último taller de Euroblight
februari 22, 2016
Disponibles las conferencias de último taller de Euroblight
Acaban de colocar en la web de Euroblight las conferencias del último taller realizado en Brazov (Rumania) entre el 13-15 de mayo de 2015.
Farmer’s Keepers™ Potatoes come in a variety of non-uniform shapes and sizes with minor blemishes or minor mechanical damage.
februari 19, 2016
Farmer's Keepers potatoes a take on delicious imperfection
BCfresh, a British Columbia-based provider of locally-grown vegetables, announced the introduction of Farmer’s Keepers™ Potatoes. Farmer’s Keepers™ Potatoes come in a variety of non-uniform shapes and sizes with minor blemishes or minor mechanical damage.

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