Bio:

Janna Beckerman is a professor and extension plant pathologist, specializing in horticultural crops at Purdue University.  Her research and extension programs cover everything from apples to zinnias.  It then starts again with ‘and she teaches a graduate level course on ‘Plant Disease Diagnosis.’ She has developed the Purdue Plant Doctor suite of apps to aid people in plant pest diagnosis available in the iTunes store and Google Play store, or online at www.purdueplantdoctor.com.