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Producers Should Scout For Aphids And Corn Borer

Soybean aphids are starting to show up in Manitoba fields. The levels are still very low, and the economic threshold is high, at 250 aphids per plant on average. Provincial entomologist, John Gavloski, says the odd aphid isn't a huge concern, but soybean-growers should keep an eye on them.
 
"What we suggest is just scouting the fields, turning over some leaves, looking for aphids. Don't get freaked out if you see the odd one on an odd leaf, that's normal," he says.
 
Right now is also the time to be scouting for European corn borer, as eggs and young larvae are being noted in some fields. The larvae can burrow into the corn stocks, with about two or three surviving from each egg mass.
 
"The thing to be doing in cereal corn is to be turning over leaves, especially leaves near the ears, looking for egg masses and larvae, and seeing if you're above about one per plant on average," Gavloski says.
 
Source : PortageOnline

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