马铃薯缺陷和疾病 来自美洲

La existencia de Phoma exigua var. foveata o gangrena de la papa, ya fue informada a los agricultores/as que tienen sus cultivos infectados y a otros productores/as de la región en una reunión informativa realizada por el Ministerio de Agricultura y el...

The pale cyst nematode, Globodera pallida, is one bad roundworm. Unchecked, it invades the roots of potato and other host crops to feed, obstructing the free flow of nutrients and causing stunted growth, wilted leaves, and other symptoms that can event...

It appears that potato psyllids, the tiny winged insects that can spread zebra chip disease in potato fields, will overwinter in Boise, Idaho, this season, despite the city experiencing one of its coldest Januaries on record.

Some farmers on P.E.I. are dealing with the problem of potatoes rotting in storage this winter and growers in the western part of the province are especially hard hit.

Idaho potato growers at a Monday meeting in Burley approved processing contracts with J.R. Simplot and McCain Foods that both include payment increases averaging 1.6 percent.

Idaho potato growers will vote Monday in Burley on contracts with McCain Foods and J.R. Simplot Co. paying a 1.6 percent average increase, according to sources involved in negotiations.

Potato breeding developments being researched by graduate students in the Department of Plant and Soil Sciences of the University of Maine look to save the future of Maine’s iconic crop.

When a pathogen attacks a plant, infection usually follows after the plant’s immune system is compromised.  A team of researchers at the University of California, Riverside focused on Phytophthora and deciphered how it succeeded in crippling the potato...

Los paperos de Costa Rica temen la entrada de esta enfermedad a su territorio. No es para menos. En Honduras ha ocasionado grandes pérdidas económicas y en Nicaragua ya fue detectada. Se trata de la mancha rayada o zebra chip. La mancha rayada está pr...

Understanding the physiology of seed potato aging and how it affects crop growth and yield can be vital to the industry. Such knowledge will allow growers to adopt management practices that control the aging process and optimize tuber set and size.

South Korea has lifted a ban against Pacific Northwest-grown potatoes used for things like potato chips, but a ban on other fresh potatoes still remains because of a fear over a bacterium known as zebra chip, state officials announced Wednesday during ...

Boletín técnico elaborado por el proyecto "Evaluación del impacto de las variaciones climáticas en el manejo de la enfermedad tizón tardío de la papa en zonas endémicas altoandinas del departamento de Cochabamba". El equipo investigadores est...

The Idaho potato industry is forming a task force to trace the origin of a ring rot flare-up that's affected roughly 20 farms, mostly in the Magic Valley area. University of Idaho Extension seed potato pathologist Phil Nolte, who will likely head the ...

The Canadian Food Inspection Agency (CFIA) has confirmed the presence of potato wart in two fields on separate farms in PEI. Potato wart poses no threat to human health or food safety. However, it is a quarantine pest that is regulated in Canada becau...

El Director Regional del Servicio Agrícola y Ganadero, SAG Región de Los Lagos, Alfredo Fröhlich, comunicó que, a la fecha, están confirmados siete potreros infestados con el nematodo dorado (Globodera rostochiensis), plaga cuarentenaria, que afecta el...

As the annual potato harvest begins, Wisconsin farmers continue to check their fields for late blight, the ferocious plant disease that caused the 1848 Irish potato famine and fueled massive emigration from Ireland.

The latest Focus on Potato Webcast from the Plant Management Network is available and addresses the use of Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis: Using Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis

Researchers say populations of potato psyllids - vectors of a new crop disease to the region called zebra chip - are growing dramatically in the Columbia Basin.