Fig. 3.

Effect of root exudates and soil type on attachment of Pasteuria penetrans to Meloidogyne arenaria. PBS: phosphate-buffered saline. RE: root exudates. Loam: natural sandy loam. Loam + P: natural sandy loam with plant. Sand: natural loamy sand. Sand + P: natural loamy sand with plant. S-loam + P: sterilized sandy loam with plant. S-sand + P: sterilized loamy sand with plant. Within a trial, means followed by the same letter are not significantly different (P > 0.05). Each bar represents the mean of three replicates.