
Figure 3. Population densities of the root-knot nematode, Meloidogyne incognita, following seven cowpea cultivars in Alachua County, Florida, 1991. Bars followed by the same letter are not different (P is less than or equal to 0.05), according to Duncan's multiple range test performed on log-transformed data (Gallaher and McSorley, 1993).
Credit: Gallaher and McSorley, 1993