Monitoring for Pyrethroid Resistance in the Bollworm (<i>Helicoverpa zea</i>) in Texas: Trends from 2003-2005

Fig. 2. LC50 resistance ratios in Texas (2003-2005) by county (BC = Burleson Co. 2005).



Image from Plant Health Progress article:
Monitoring for Pyrethroid Resistance in the Bollworm (Helicoverpa zea) in Texas: Trends from 2003-2005