Montan wax emulsions have been tested for two years in different crops, wit
h various active ingredients and different formulation types. Volatile and
less rainresistant compounds have been applied in field tests. Prior to the
field tests the different spray actives were analysed by FTIR spectroscopy
for improved spray characteristics. Enhanced efficacy of the tested herbic
ides was detected. No visible crop damage was noticed caused by this type o
f adjuvants.