Physiology of Glyphosate-Resistant and Glyphosate-Susceptible Palmer Amaranth (Amaranthus palmeri) Biotypes Collected from North Carolina

Figure 1

Percent reduction in Palmer amaranth fresh weight of glyphosate-resistant and glyphosate-susceptible biotypes 21 days after glyphosate application. Data are pooled over two experiments. Regression expressions are resistant biotype, 𝑌=0.000001𝑥²+0.02𝑥−1.3, 𝑟²=0.99; susceptible biotype, 𝑌=101/(1+(𝑥/146)^−2.5), 𝑟²=0.99.