Herbicide resistance mapping in Pennsylvania – We are conducting a weed survey in agricultural fields in Pennsylvania to characterize the predominance of herbicide resistance. The long-term goal of this project is to establish an herbicide resistance monitoring program to provide timely detection of resistant weeds for the Pennsylvania farming community.
Understand the genetic and evolutionary basis of herbicide resistance to various herbicides. We are studying the herbicide resistance mechanisms to several herbicide mechanisms of action, including glyphosate (Group 9), glufosinate (group 10), and paraquat (Group 22). We are sequencing genomes, conducting genome-wise association studies, quantitative trait loci analyses, reduced representation bisulfite sequencing, and other tools to understand the genetic, physiological, and evolutionary processes that lead to herbicide resistance.
Understanding how climate change will impact weeds – With raising atmospheric CO2, extreme heat, drought, and precipitation events, we are trying to understand how weeds will respond to climate change, and how we should adequate our management practices to reduce their interference.