Aphids in small grain

I have been getting questions about aphid thresholds in oats and other small grains. Growers or scouts should inspect fields 25-35 days after planting, full tiller, and heading. Yield-reducing transmission of Barley Yellow Dwarf virus can occur during the first two periods; transmission at heading is too late to reduce yield. According to the 2020 … Continue reading Aphids in small grain