Symptoms of plum pox virus include chlorotic (yellow) rings on the leaf surface or chlorotic blotches and vein clearing. A concentrated growing area is complicating efforts to eliminate plum pox virus from the main peach-growing region in Ontario, Canada. The virus was expected to be eliminated in the provinceCanada’s biggest peach producerby the time current funding expires on March 31, 2011. But federal plant protection specialist Eric Wierenga of the Canadian Food Inspection Agency said that won’t happen, because of a number of factors, including the tight concentration of at-risk orchards in Ontario’s Niagara Peninsula. “With the Niagara area being […]