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Figure 1:
Percent dead Meloidogyne incognita after 24 hr exposure to nematicides detected at three depths in sand (A) and sandy loam (B) filled 6-mm-diameter soil columns drenched with a base rate of water infiltration. The base rate of water infiltration was 20.0 mm/d. Different letters over bars indicate significant differences at α = 0.05 according to Tukey’s HSD test.
Figure 2:
Percent dead Meloidogyne incognita after 24 hr exposure to nematicides detected at three depths in sand filled 6-mm-diameter soil column drenched with a slower rate of water infiltration (A) and a 12-mm-diameter soil column drenched with a base rate of water infiltration (B). The base rate was 20.0 mm/d whereas the slower rate was 0.7 mm/d over a 30-day period. Different letters over bars indicate significant differences at α = 0.05 according to Tukey’s HSD test.
Figure 3:
Percent dead Meloidogyne incognita after 24 hr exposure to nematicides from cotton (A) and soybean (B) treated seed detected at three depths in sand filled soil columns drenched with a base rate of water infiltration. The base rate of water infiltration was 20.0 mm/d. A 6-mm-diam. column was used for cotton seed, while a 12-mm-diam. column was used for soybean seed. Different letters over bars indicate significant differences at α = 0.05 according to Tukey’s HSD test.