Potato leafhopper (PLH) is the most damaging alfalfa insect pest in Ontario in most years. While the damage created is not as dramatic as an alfalfa weevil or armyworm outbreak, leafhopper damage is more chronic and widespread. Many farmers are unaware of the significance of PLH damage, which is often blamed on the hot, dry weather that frequently accompanies it….
Synopsis: Rainfall over the weekend varied from 0 – 40 ml (Brussels area). High armyworm numbers can be found in a number of areas, with highest populations in Niagara and SW Ont. More reports in forage stands, but cutting of first cut providing control. Weed control and respraying is nearing completion in corn and soy’s with some corn now fully canopied….