Articles tagged under: Ian MacRae

Potato News

Published June 21, 2021

The potato crop is growing quickly and the Colorado potato beetle is starting to appear. Hear more from University of Minnesota Extension Entomologist Ian MacRae in this week's Potato News, presented by Corteva Agriscience, Gowan USA and BASF's Zidua for…
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Aphid Research Part of the NPPGA Research Reporting Conference

Published February 22, 2021

Local potato specialists and researchers spent last Tuesday updating growers on projects as part of the virtual Northern Plains Potato Growers Association Research Reporting Conference. University of Minnesota Extension Entomologist Ian MacRae discussed aphid research. "Adding Warrior to Aphoil can…
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Potato News

Published August 10, 2020

Aphid populations haven't been high for potato growers in the northern part of the Red River Valley this year, but University of Minnesota Extension entomologist Ian MacRae says the pest has been an issue in the east-central part of the…
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Start Scouting for Soybean Aphids

Published June 29, 2020

Soybean aphids and other insects are beginning to show up in fields. University of Minnesota Extension Entomologist Ian MacRae says aphid populations are still low, but it is time to begin scouting. "The thing about soybean aphids is they can…
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Aphids Still Hanging Around Seed Potatoes

Published September 9, 2019

Entomologists continue to find aphids in traps near seed potato fields in the region. University of Minnesota Extension entomologist Ian MacRae says the green stems and vines on the potatoes will attract aphids, increasing the risk of PVY virus. "There…
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Aphid Numbers Picking Up

Published August 23, 2019

As a whole, seasonal aphid numbers are low this year. University of Minnesota Extension entomologist Ian MacRae says in the last few weeks there are increases in winged aphids in traps. "Lots of them are small grain aphids. The biggest…
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Aphids Not at Thresholds Yet

Published August 7, 2018

University of Minnesota-Crookston Entomologist Ian MacRae saw an increase of a variety of aphids caught in traps last week, but nothing reaching threshold levels yet. "We have nowhere near what we had last year. It was a huge aphid year with…
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Scout Now for Soybean Aphids

Published July 23, 2018

It is apparent soybean aphids are starting to fly. In a weekly report from Northwest Research and Outreach Center entomologist Ian MacRae, there is a significant increase in aphid vectors. Ada and Crookston reported the heaviest flights. With this alert,…
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Keep Scouting Crops for Aphids

Published July 10, 2018

Green peach aphid numbers and soybean aphid numbers continue to be low, but University of Minnesota Extension Entomologist Ian MacRae reminds farmers to be vigilant and keep scouting your potato and soybean fields."When we get the low trap numbers, I…
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