Analyzing the Benefit of Root-Knot Nematode Resistant Cotton Varieties within a Variety Trial

In the fall of 2019, the location for a cotton variety trial was assessed for nematode counts which determined counts were not reaching thresholds.  During the 2020 growing season several varieties began to show issues.  As the year progressed the root-knot nematode resistant varieties began to look better than the non-resistant varieties.  The two nematode resistant varieties were in the top 3 seed cotton yielding varieties.