Ruhl et al. 2008. Diagnosing herbicide injury on garden and landscape plants.
Discusses various classes of herbicides and how they may cause damage and what it might look like on plants generally. Ruhl, G, F Whitford, S Weller, M Dana, M Putnam, D Childs, R Lerner. Purdue Plant & Pest Diagnostic Laboratory. visit www.ppdl.purdue.edu and www.btny.purdue.edu.
Ruhl 2008 Diagnosing Herbicide Injury in landscape.pdf — PDF document, 236 kB (242129 bytes)