Stink bugs could injure corn in addition to soybeans
In corn, stink bugs appeared to be feeding through the husks, Michel said.
"When stink bugs pierce through the husk and feed on the ear during early development, the cob will not develop on that side, but continue growing on the back side giving the ear a characteristic banana-shaped appearance," he said. "The shuck will also stop developing, exposing the grain to bird and insect damage, with signs of injury also including shrunken or missing kernels."
Corn growers are encouraged to report any stink bug injury to OSU Extension so that entomologists can gauge how significant the problem may become for Ohio growers, Michel said.
"While we have not seen any economic losses from stink bugs in field corn, growers should be aware of their presence and the damage they can cause," he said. "Heavy stink bug populations can reduce not only yields but also the quality of the grain, so we want to know if growers are seeing a lot of damage.
"We typically see more stink bug damage to corn crops in southern states, but we are interested to get an idea of what Ohio corn growers are seeing and experiencing in their fields. From a grower's point of view, they might be confused as to what stink bug injury symptoms are, but the issue could be on the rise and it's a problem that we want to make sure that growers are aware of so we can recommend treatment options."
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