https://www.purdue.edu/newsroom/archive/releases/2014/Q2/deadly-fire-blight-in-flowering-pear-trees-still-a-problem.html
Deadly fire blight in flowering pear trees still a problem - Purdue University
Fire blight is infecting flowering pear trees in large numbers in Indiana for the third consecutive year, with a Purdue Extension specialist again urging...
flowering pear treesfire blight