Ziektes en gebreken

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.
From the archive
[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.
From the archive
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.
From the archive
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.
From the archive
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.
From the archive
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'
From the archive
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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.
From the archive
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.
From the archive
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
From the archive
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
From the archive
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.
From the archive
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.
From the archive
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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.
From the archive
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.
From the archive
A longer crop rotation saves on inputs such as nematicides or fumigation. Photo above shows the application of a nematicide at time of planting in the United Kingdom
februari 18, 2016
Idaho Potato Processing Contracts will make a minimum three-year crop rotation mandatory
Sources say the 2016 Southern Idaho Potato Cooperative contract will include new langcode mandating a minimum of two years of alternate crops between potatoes.
From the archive
Detectan en España la pulguilla de la papa (Epitrix similaris)
februari 14, 2016
Detectan en España la pulguilla de la papa (Epitrix similaris)
La Consejería de Agua, Agricultura y Medio Ambiente alerta a los productores que se ha detectado en zonas de Galicia, Asturias y Andalucía la presencia de una plaga de cuarentena denominada 'epitrix similaris', conocida como pulguilla de la patata (o papa).
From the archive
Flooding in the streets of Havana, Cuba (January 2016) due to excessive rainfall associated with El Niño (Courtesy: Yusnaby Post)
februari 10, 2016
Cuban Potato crops troubled by rains
The rainfall in November, December, and January in the western and central parts of Cuba made it impossible for Cuban farmers to achieve a crop yield similar to the one they got last year, when they harvested 120,000 tons of potatoes.
From the archive
Field Trials of a blight-resistant GM potato at Bangladesh Agricultural Research Institute (BARI) in Rangpur (Courtesy: BARI)
februari 07, 2016
Bangladeshi scientists seek regulatory approval for a GMO potato resistant to late blight
Scientists in Bangladesh (BARI) have successfully field-tested a genetically modified (GMO) potato resistant to late blight, one of the most devastating potato diseases. Once the regulatory trial is over in February, they will apply for release of the variety.
From the archive

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