Diseases
Research that would help determine what species and strains of the common scab bacterium are prevalent in Ontario is underway, according to Eugenia Banks, potato specialist with the Ontario Potato Board.
Pythium leak has been observed in a number of fields in Ontario this harvest season, according to Eugenia Banks, potato specialist with the Ontario Potato Board.
As of August 28, 2018, the spore traps in Alliston, Ont. are still testing positive for spores of late blight. The positive results follow a discovery of late blight in a field near Alliston on August 14.
A new strain of late blight, US-25, has been identified in New York state, according to Eugenia Banks’ latest potato update.
Late blight was found in a field near Alliston, Ont. on August 14, according to Eugenia Banks, potato specialist with the Ontario Potato Board.
Weather conditions in P.E.I. are prime for early blight spread and growers should consider applying preventative fungicides now, according to P.E.I. Potato Agronomy's update.
The results from Ontario spore traps are negative for late blight in Alliston, Shelburne and Simcoe-Delhi areas as of July 31, according to Eugenia Banks’ latest potato update.
An automated spore trap has been developed in the U.K. which could change the way disease monitoring is done for crops and help farmers target fungicide applications better. 
Ontario's hot weather keeps late blight in check but some growers are seeing sunburnt stems and heat stress in their potato crop. 
The Pest Management Regulatory Agency (PMRA) completed its re-evaluation of mancozeb and found the continued registration of products containing mancozeb acceptable for foliar application to potatoes in Canada.
The results from Ontario spore traps, in Alliston, Leamington, Simcoe-Delhi, and Shelburne areas, returned negative detecting no late blight spores, according to Eugenia Banks’ latest potato update.
Agriculture and Agri-Food Canada researchers in Fredericton, N.B. are exploring environmentally friendly solutions to manage Potato Early Dying complex (PED), a disease that is limiting yields in many potato fields in eastern Canada. PED is a disease complex caused by a combination of a fungal disease (Verticillium wilt) and root-lesion…
Potato virus Y (PVY) affects both yield and the quality of the crop, making it one of the most dangerous diseases faced by commercial potato producers. Spread by aphids and through infected seed lots, PVY has been managed with varying levels of success by Canadian growers for many years, but…
Potato industry stakeholders from across the United States gathered in Bangor, Maine in November 2017 to deliberate on Dickeya, the aggressive disease that’s devastated thousands of potato acres in the U.S. since its first major outbreak in 2015.
As spring arrives, potato growers are concerned about Dickeya, and Eugenia Banks, the Ontario potato specialist, has some points of interest to share. Potato seed infected late in the season with Dickeya (new blackleg) usually does not show symptoms in the field before harvest nor in seed storages. This is because…
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