马铃薯缺陷和疾病

España: Llega a Galicia la polilla guatemalteca, una nueva plaga de la papa
十一月 03, 2015
España: Llega a Galicia la polilla guatemalteca, una nueva plaga de la papa
La Xunta de Galicia declara su presencia en los ayuntamientos coruñeses de Ferrol, Narón y Neda y establece una serie de medidas fitosanitarias para combatirla.
Perú: Gorgojo ocasiona pérdidas de US$35 millones en papa
十月 30, 2015
Perú: Gorgojo ocasiona pérdidas de US$35 millones en papa
La plaga afecta principalmente al Altiplano, lo que provoca la merma del 35% de producción por hectárea del tubérculo, según estudio hecho por el INIA.
Neil C. Gudmestad, Ph.D. University Distinguished Professor & Endowed Chair of Potato Pathology, Department of Plant Pathology at North Dakota State University
十月 29, 2015
Optimize Metam Sodium Efficacy by Shank Injection with New Focus on Potato Webcast
The Plant Management Network provides information on how to improve efficacy of metam sodium application by shank injection in a new educational webcast developed by Neil C. Gudmestad
Islas Canarias: Insectos, trampas y CO2 frente a la polilla
十月 25, 2015
Islas Canarias: Insectos, trampas y CO2 frente a la polilla
El Cabildo de Tenerife ha emprendido desde 2000 una cruzada contra una de las plagas habituales del campo tinerfeño: la polilla de la papa.
Private households are responsible for 15 percent of the total loss in the potato supply chain. (Photo: Christian Willersinn / Agroscope / ETH Zürich)
十月 23, 2015
Potato waste from farm to fork quantified in Swiss study
On the way from field to fork, more than half of the potato harvest is lost. This is according to a new study conducted by researchers from Agroscope and ETH Zürich.
Argentina: Tecnoplant desarrolla cultivares de papa resistentes al virus PVY
十月 02, 2015
Argentina: Tecnoplant desarrolla cultivares de papa resistentes al virus PVY
Tecnoplant, la división de agrobiotecnología del Grupo Sidus, ha desarrollado cultivares de papa resistentes al ataque de virus que, en la Argentina, pueden provocar mermas de hasta un 70 por ciento en la producción.
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Yield assessments in the Netherlands, September 2015, including yield in mid August, the additional growth from August - September and the 5 year average yield. (Courtesy: VTA)
十月 01, 2015
Lower Yield and Quality will determine potato market in the Netherlands, says farmer association
The Dutch Association of Arable Farmers of (VTA) finds an average yield of 53.622 kg/ha, 8% below last year and on par with the 5-year average. Although tubers are large this season, the VTA predicts low factory yields as a result of a host of quality issues, resulting in an increased demand for potatoes per ton finished product.
Researchers involved in the DuRPh project
九月 10, 2015
Resistance genes of wild potato relatives offer help in combat against Phytophthora
Research shows that crops with stacks of two or more resistance genes from closely related species, introduced into the crop via for instance genetic engineering, combined with the simultaneous introduction of resistance management, can ensure the long-term resistance of these plants to economically significant and aggressive diseases.
Estimate of the potato crop in North-western Europe (Consumption potatoes excl. Seed and Starch) provided by the NEPG and dated September 1, 2015. (*) Acreage in Germany not yet final.
九月 08, 2015
North-western European Potato Growers expect cropsize to be below 5-year average
The North-western European Potato Growers (NEPG) expect the total potato production (excluding seed and starch potatoes) of this year' s harvest to amount to 24.5 million tonnes. This is 14.1 percent below the potato production last year and 2.9 percent below the 5-year average.
Instituto Colombiano Agropecuario presentó plan de control de plagas en cultivo de papa
九月 03, 2015
Instituto Colombiano Agropecuario presentó plan de control de plagas en cultivo de papa
El cultivo de papa presenta varias afectaciones que producen perdidas y malestar en los productores; el gusano jiguá, la chiza y algunas clases de polilla. Las heladas en época de invierno también afectan gravemente los cultivos
Potato field in Pennsylvania naturally infected with late blight, September 2014. Only surviving plants are Innate™ generation two (Courtesy: J.R. Simplot)
九月 01, 2015
USDA Deregulates Second Generation Innate™ GMO Potatoes
The J.R. Simplot Company is pleased that the USDA has deregulated the Russet Burbank variety of the second generation of Innate™ potatoes. Simplot is looking forward to the completion of the EPA registration and FDA consultation before the second generation of Innate™ potatoes can be introduced into the marketplace.
Yield and size distribution of the Dutch potato crop mid August 2015 based on sampling among VTA members (Courtesy: VTA)
八月 31, 2015
Dutch Potato Crop Yield below average according to VTA sampling
In the annual VTA sampling of the development of the Dutch potato crop development, mid August a yield was found 16% lower than last year and 7.1 below the 5 year average.
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The webcast "Managing Diseases with Biopesticides in Potato Production" will presented by Amanda Gevens, Ph.D., Assistant Professor, Extension Plant Pathologist, University of Wisconsin-Madison
八月 30, 2015
Focus on Potato Webcast by Amanda Gevens Covers Biopesticide Use
A new 'Focus on Potato' webcast titled “Managing Diseases with Biopesticides in Potato Production” helps growers, consultants, and other practitioners in the potato industry understand the basics of biopesticides and their use in the field.
Bintje - a Dutch potato variety bred over a century ago (1904) - is still very popular in the Netherlands and Belgium, especially for the production of French Fries, but its sensitivity to potato diseases is a major concern.
八月 20, 2015
Durable resistance to Late Blight requires Gene Stacking
Scientific results of the potato field trials in Flanders and the Netherlands demonstrate that gene stacking is necessary for a strong and lasting resistance to late blight (Phytophthora infestans).
Late blight (Phytophthora Infestans) lesions on a potato leaf (Courtesy: Jeff Miller, Miller Research LLC)
八月 17, 2015
Idaho late blight outbreak is the worst since 1998
Late blight has become widespread in Idaho and is called the worst Idaho late blight outbreak since 1998.
Lydia Tymon, (inset) talks about the best management tactics to prevent resistance in Alternaria species (Early Blight).Main picture shows Early Blight on a potato leaf, clearly showing the typical concentric growth rings.(Courtesy Dept. of Agriculture an
八月 12, 2015
Focus on Potato Webcast Addresses Fungicide Resistance
The latest Focus on Potato webcast, titled “Best Management Tactics and Fungicide Resistance in Early Blight and Brown Spot” highlights the importance of measures to mitigate fungicide resistance, particularly when applied and repeatedly used on a single site.
Shunping Ding (right) was awarded NPC's 2015-16 Academic Scholarship. Her current research focus at the University of Wisconsin-Madison is on enhancing control of potato early blight (left).
八月 10, 2015
National Potato Council awards 2015/16 academic scholarship
The National Potato Council awards its 2015-16 Academic Scholarship to Shunping Ding, a PhD. student in Plant Pathology at the University of Wisconsin-Madison.
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七月 31, 2015
México: Crean plaguicida para atacar presencia de gusano en cultivos de papa
Investigadores del Instituto de Ecología (INECOL) logran disminuir con un plaguicida denominado bionematicida un gusano llamado nematodo dorado, el cual es responsable de la baja producción de papa en México.

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