Graduate Students

Andre Lucas Simões Araujo

André Lucas Simões Araujo

Ph.D., Weed Science
Advisor – Todd Gaines

Research Area 
I am investigating auxin herbicide resistance in kochia populations from Colorado, focusing on both metabolism and the genetic basis of resistance, as well as herbicide recurrent selection using a mixture of auxin herbicides.

Contact Information

andre.simoes_araujo@colostate.edu

Sofía Marques Hill

Sofía Marques Hill

Ph.D., Weed Science
Advisor – Todd Gaines

Research Area
Weed Molecular Biology. Understanding herbicide resistance to synthetic auxins. Genetic mapping of herbicide resistance to pre-emergents in Lolium rigidum. Building the reference genome of Cirsium arvense and understanding sex determination.

Contact Information

sofiamh@colostate.edu

William Kramer

William Kramer

Ph.D., Weed Science
Advisor – Dr. Todd Gaines

Research Area
My current research focuses on understanding the cause of quizalofop herbicide injury in CoAxium winter wheat using a variety of molecular biology techniques.

Contact Information

w.kramer@colostate.edu

Amber Pelon

Amber Pelon

M.S., Weed Science
Advisors – Franck Dayan and Todd Gaines

Research Area
Understanding quizalofop metabolism in CoAxium wheat and troubleshooting problems that farmers are seeing in the field with CoAxium wheat.

Contact Information

amber.pelon@colostate.edu

Photo of Catherine Traxler

Catherine Traxler

Ph.D., Weed Science
Advisors – Franck Dayan and Todd Gaines

Research Area
The role of reactive oxygen species (ROS) in herbicidal activity by exploring herbicidal modes of action that involve the production of ROS and oxidative damage to gain a better understanding of plant stress and the possibility of utilizing this knowledge in the development of new her

Contact Information

catherine.traxler@colostate.edu

Curtis Lefler

Curtis Lefler

M.S., Weed Science
Advisor – Lovreet Shergill

Research Area
Studying Herbicide resistance within different populations of kochia.

Contact Information

curtis.lefler@colostate.edu