Corn growers in the mid-south and Midwest U.S. are being asked to take a closer look at diseased corn leaves as re-emerging diplodia leaf streak pushes into major corn growing states. The disease looks very similar to northern corn leaf blight (NCLB), a leaf disease Canadian growers typically identify based on its characteristic cigar-shaped lesions…. Read More

Testing for DON in Ontario’s 2018 corn crop was an incredibly frustrating process for growers. With gibberella ear rot infecting a wide swath of corn in the province, many growers were exasperated when samples from the same load of corn taken from a field would show wide variation in DON levels — sometimes from 3… Read More

From an environmental standpoint, Ontario experienced a perfect storm in 2018 that produced an epidemic of gibberella ear rot in corn and resulting unprecedented DON levels. Ontario Ministry of Agriculture, Food and Rural Affairs field crop plant pathologist Albert Tenuta compares the conditions that created the classic silk channel infection in corn hybrids to what… Read More