Photo: University of Nebraska Extension
Bacterial leaf streak has been confirmed on corn in 74 Nebraska counties. The disease is sometimes confused with fungal gray leaf spot, according to Sarah Sivits, extension educator for the University of Nebraska.
“One key characteristic is if you were to take that leaf off and hold it up to the sun, so use the sun as a backlight,” Sivits told Brownfield Ag News Wednesday, “it’ll have a really distinct yellow halo around it and you should be able to see the irregularity within those margins.”
Bacterial leaf streak can be treated with copper-based bactericides but there are questions about cost effectiveness, said Sivits.
Continue reading Bacterial leaf streak confirmed on corn in Nebraska at Brownfield Ag News.