1Institute of Spectroscopy, Trent University, Peterborough, ON, Canada K9J 7B8.
2Institute of Environmental Sciences, 7 Gronostajowa, 30-387 Krakow, Poland.
*Correspondence author: E-mail: bialo@eko.uj.edu.pl.
lnfection, leaf surface, Medicago sativa, scoparone, scopoletin