Morpho-Physiological Characterization of Glyphosate-Resistant and -Susceptible Horseweed (Conyza canadensis) Biotypes of US Midsouth
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53030#.VLSCz8nQrzE Author(s) Vijay K. Nandula 1* , Daniel H. Poston 2 , Clifford H. Koger 3 , Krishna N. Reddy 1 , K. Raja Reddy 4 Affiliation(s) 1 US Department of Agriculture-Agricultural Research Service (USDA-ARS), Crop Production Systems Research Unit, Stoneville, MS, USA . 2 Pioneer Hi-Bred International—Southern Business Unit, Huntsville, AL, USA . 3 Silent Shade Planting Company, Belzoni, MS, USA . 4 Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS, USA . ABSTRACT Horseweed is traditionally considered a non-cropland weed. However, populations resistant to glyphosate have eventually become established in no-till agronomic cropping systems. Growth chamber and greenhouse experiments were conducted to compare selected biological and physiological parameters of glyphosate-resistant (GR) and -suscepti...