News on Potato Defects and Diseases from the Americas

De llegar a ser un éxito el proyecto de mejoramiento genético iniciado, los paperos ahorrarían no menos de 75 millones de dólares anuales que gastan en fungicidas para controlar el tizón tardío o gota.

La polilla guatemalteca, llegada hace veinte años de América Central, causa grandes destrozos en los cultivos de papa de Venezuela, Colombia y Ecuador. Sus larvas pueden devorar completamente los tubérculos almacenados.

Volunteer potato plants growing from seed infected with zebra chip are likely too few in number and survive too briefly to contribute to the spread of the crop disease, according to new Oregon State University research findings.

As the potato growing season begins, The Washington State Potato Commission (WSPC) will provide free Integrated Pest Management (IPM) supplies for Washington’s potato growers.

Henk Tepper, the New Brunswick potato farmer who spent over a year in a Beirut jail cell on allegations he shipped rotten potatoes to Algeria is suing the Canadian government, arguing it didn't protect his Charter rights.

The U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) today announced the launch of the State National Harmonization Program (SNHP) for seed potatoes.

Syngenta continues partnerships with key universities in Idaho, Michigan, North Dakota, Oregon and Washington to bring late blight hotlines to US potato growers in 2013.

Potato Psyllids Have Returned to Magic Valley, Idaho Or maybe they just never went away. Psyllids, a tiny insect that can damage potatoes, might be hardier than some people originally thought.

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.