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Faculty

Department of Plant Sciences

Andrew Kniss
 

Contact Information:
Office: Ag C 55
Email: AKniss@uwyo.edu
Phone: (307) 766-3949

Website: weedcontrolfreaks.com

Andew Kniss, PhD.

Associate Professor, Weed Science

Research

The main objective of my research is to develop sustainable weed management programs, especially in agronomic crops like sugarbeet, winter wheat, corn, and dry beans. My research program is relatively diverse in scope, but most of my research program fits within the following themes:

  • non-target impacts of weed management
  • herbicide physiology
  • weed seedbank ecology
  • weed management in sugarbeet
  • new herbicide uses
  • herbicide resistant crops

Teaching

AECL 3030 - Ecology of Plant Protection

PLNT 4070/5070 - Weed Science & Technology

PLNT 5790 - Topics: Applied Dose Response Analysis

PLNT 5790 - Topics: Navigating Graduate Research

 

Selected Publications:

Kniss AR (2017) Genetically Engineered Herbicide-Resistant Crops and Herbicide-Resistant Weed Evolution in the United States. Weed Science.

Kniss AR (2017) Long-term trends in the intensity and relative toxicity of herbicide use. Nature Communications.

Gaines TA, Barker AL, Patterson EL, Westra P, Westra EP, Wilson RG, Jha P, Kumar V, Kniss AR  (2016) EPSPS Gene Copy Number and Whole-Plant Glyphosate Resistance Level in Kochia scoparia. PLoS ONE

Kniss AR, Savage SD, Jabbour R (2016) Commercial Crop Yields Reveal Strengths and Weaknesses for Organic Agriculture in the United States. PLOS ONE. (CORRECTED PDF | Original article)

Greet BJ, Mealor BA, Kniss AR (2016) Response of Delphinium occidentale and associated vegetation to aminocyclopyrachlor. Rangeland Ecology & Management.

Sbatella GM, Kniss AR, Omondi EC, Wilson RG (2016) Volunteer corn (Zea mays) interference in dry bean (Phaseolus vulgaris). Weed Technology.

Douglass CH, Nissen SJ, Meiman PJ Kniss AR (2016) Impacts of imazapyr and triclopyr soil residues on the growth of several restoration species. Rangeland Ecology & Management.

Kniss AR and Coburn CW (2015) Quantitative evaluation of the Environmental Impact Quotient (EIQ) for comparing herbicides. PLoS ONE.

Lee B, Ritten J, Bastian C Kniss A (2015) Profitability of glyphosate-resistant sugarbeet production in whole farm systems. Journal of the American Society of Farm Managers and Rural Appraisers.

Douglass CH, Nissen SJ, Brunk G Kniss AR (2015) Efficacy and environmental fate of imazapyr from directed helicopter applications targeting Tamarix species infestations in Colorado, USA. Pest Management Science.

Ritz C, Kniss AR Streibig JC (2015) Research Methods in Weed Science: Statistics. Weed Science.

Hergert H, Mealor BA Kniss AR (2015) Inter- and intraspecific variation in native restoration plants for herbicide tolerance. Ecological Restoration.

Omondi EC and Kniss AR (2014) Interplanting Annual Ryegrass, Wheat, Oat, and Corn to Mitigate Iron Deficiency in Dry Beans. PLOS ONE.

Lee B, Ritten J, Kniss A Bastian C (2014) Profitability Comparison for Glyphosate-Resistant and Conventional Sugarbeet Production Systems. Journal of Sugar Beet Research.

Reddy KJ, Whitman AJ Kniss AR (2014) Potential beneficial uses of coalbed natural gas (CBNG) water. Environmental Science: Processes & Impacts.

Kniss AR and Odero DC (2013) Interaction between preemergence ethofumesate and postemergence glyphosate. Weed Technology.

Kniss AR, Sbatella GM Wilson RG (2012) Volunteer corn interference and control in glyphosate-resistant sugarbeet. Weed Technology.

Kniss AR, Vassios JD, Nissen SJ Ritz C (2011) Nonlinear regression analysis of herbicide absorption studies. Weed Science.

Kniss AR, Lyon DJ, Vassios JD Nissen SJ (2011) MCPA synergizes imazamox for feral rye control. Weed Technology.

Odero DC, Mesbah AO, Miller SD Kniss AR (2011) Interference of redstem filaree (Erodium cicutarium) in sugarbeet. Weed Science.

Kniss AR and Lyon DJ (2011) Winter wheat response to pre-plant applications of aminocyclopyrachlor. Weed Technology.

Kniss AR (2010) Comparison of conventional and glyphosate-resistant sugarbeet the year of commercial introduction in Wyoming. Journal of Sugar Beet Research.

Odero DC, Mesbah A, Miller SD Kniss AR 2010. Lanceleaf sage (Salvia reflexa) interference in sugarbeet. Weed Technology.

Lyon DJ and Kniss AR (2010) Proso millet tolerance to saflufenacil. Weed Technology.

Odero DC, Mesbah AO, Miller SD Kniss AR (2010) Wild Buckwheat (Polygonum convolvulus) Interference in Sugarbeet. Weed Technology.

Odero DC, Mesbah AO, Miller SD Kniss AR (2009) Venice Mallow (Hibiscus trionum) Interference in Sugarbeet. Weed Technology.

Enloe SF and Kniss AR (2009) Does a Diflufenzopyr Plus Dicamba Premix Synergize Russian Knapweed Control with Auxinic Herbicides? Invasive Plant Science and Management.

Enloe SF, Kniss AR, Ferrell M LaFantasie J (2009) Black greasewood (Sarcobatus vermiculatus), gray rabbitbrush (Chrysothamnus nauseosa) and perennial grass response to chlorsulfuron and metsulfuron. Invasive Plant Science and Management.

Enloe SF and Kniss AR (2009) Influence of Diflufenzopyr Addition to Picolinic Acid Herbicides for Russian Knapweed (Acroptilon repens) Control. Weed Technology. Weed Technology.

Kniss AR, Lyon DJ Miller SD (2008) Jointed Goatgrass Management with Imazamox-Resistant Cultivars in a Winter Wheat-Fallow Rotation. Crop Science. (Raw data)

Kniss AR, Miller SD, Westra P Wilson RG (2007) Glyphosate susceptibility in common lambsquarters (Chenopodium album) is influenced by parental exposure. Weed Science.

Wilson RG, Miller SD, Westra PH, Kniss AR, Stahlman PW, Wicks GW Kachman SD (2007) Glyphosate-Induced Weed Shifts in Glyphosate-Resistant Corn or a Rotation of Glyphosate-Resistant Corn, Sugarbeet and Spring Wheat. Weed Technology.

Lyon DJ, Kniss A Miller SD (2007) Carfentrazone Improves Broadleaf Weed Control in Proso and Foxtail Millets. Weed Technology.

Larson RL, Hill AL, Fenwick A, Kniss AR, Hanson LE Miller SD (2006) Influence of glyphosate on Rhizoctonia and Fusarium root rot in sugar beet. Pest Management Science.

Kniss AR, Wilson RG, Martin AR, Burgener PA Feuz DM (2004) Economic evaluation of glyphosate-resistant and conventional sugarbeet (Beta vulgaris). Weed Technology.


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