• Emergence and control of horseweed (Conyza canadensis) 

    Bolte, Joseph Daniel (University of Missouri--Columbia, 2015)
    *Horseweed (Conyza canadensis (L). Cronq.) traditionally has been viewed as a winter annual. However, farmers report increased problems managing horseweed that emerges in the spring. In the fall of 2013 and 2014, emergence ...
  • Emergence pattern of Amaranthus spp. and impact on growth and reproduction 

    Davis, Heidi R. (University of Missouri--Columbia, 2015)
    Amaranthus species such as common waterhemp (Amaranthus rudis) and Palmer amaranth (A. palmeri) are troublesome annual weeds in cropping systems throughout the Midwest. Seedlings can emerge throughout the growing season ...
  • Vegetation management along roadside and railroad right-of-ways 

    Terry, Matthew R. (University of Missouri--Columbia, 2018)
    Efficient transportation of freight as well as motorists requires effective control of vegetation on right-of-ways (ROW's). Traditionally on railroad ROW's, residual herbicides are applied early in the growing season with ...