Gardeners and growers in St. Lawrence Counties have been advised to begin applying protective sprays after the Cornell's Plant Pathology Lab confirmed late blight Tuesday on a tomato sample collected …
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Gardeners and growers in St. Lawrence Counties have been advised to begin applying protective sprays after the Cornell's Plant Pathology Lab confirmed late blight Tuesday on a tomato sample collected in Ellisburg in Jefferson County.
“This is an unusually early appearance of this pathogen,” according to Cornell Cooperative Extension of St. Lawrence County Horticulture and Natural Resources Educator Paul Hetzler.
The strain is believed to be US-23, which attacks tomatoes and potatoes equally.
“Late blight is unparallelled in its ability to spread rapidly and destroy potato and tomato crops,” he said.
Hetzler suggested using spays such as copper or chlorothalonil as soon as possible. Follow label instructions carefully when applying sprays.
For more information on late blight, visit www.usablight.org or contact the Canton office at 379-9192.