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 give farmers extra time. We did a double cage trial with green peach aphids in on PVY-infected plants in a small cage and put the small cage into a bigger cage. On the other side of the bigger cage, we put uninfected plants. We let aphids feed on the smaller cage infected plants for about one week and then, opened the inside cage and let them feed. Then, we tested the plants one week later for PVY. Warrior alone didn’t do anything.”
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