Articles tagged under: Ian MacRae
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…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…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…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…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…An Assortment of Insects Showing Up in Fields
Published July 17, 2019
University of Minnesota Extension entomologist Ian MacRae says there's an assortment of insects being found in fields. "Most of these problems seem to be localized, without a widespread occurrence of any one insect pest." MacRae says north of Fergus Falls,…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…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,…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…