Tag: Jordan Bannerman

Soybean School: Refining the Soybean Aphid Threshold to Factor in Friendly Bugs

When soybean aphids start multiplying in soybean fields, the decision to spray is typically triggered by the number of aphids found on each plant. The threshold for growers in Western Canada is usually reached when there are an average of 250 aphids per plant on 80 percent of the plants. The population should still be… Read more »