Picking pears that can fight fire blight

Pondering planting pear trees for a profit? You should know all cultivars are not created equal – at least when it comes to fire blight resistance. Emma T. Alstott, Suzanne M. Slack and Xiaochen Yuan, researchers from Iowa State, have been studying the fire blight susceptibility of European (Pyrus communis) and Asian (P. pyrifolia) pears. The