ImageJ Tutorial 1 - Measure Leaf Disease Area & Lesion Counts

This is the first in our lab's series of ImageJ Tutorials! This tutorial is all about measurements on diseased leaves! In this video we: 1 - 0:36 - Download ImageJ 2 - 1:46 - Set scale for a photograph 3 - 3:53 - Set scale for a scanned image 4 - 5:38 - Measure leaf disease area for sampled leaves 5 - 12:45 - Measure canopy disease area for multiple plants 6 - 21:01 - Count leaf lesions for a scanned image 7 - 26:37 - Count leaf lesions for a field photograph The written protocol is available at https://edis.ifas.ufl.edu/hs1382.