Fig. 2. Size of Phytophthora cactorum lesions on detached pecan leaves 4 and 7 d post-inoculation (dpi) treatments of Xenorhabdus bovienii (Xb) and Photorhabdus luminescens (Pl) bacterial broths or concentrated metabolites. Acetone (the metabolite solvent), non-inoculated media broth, and water were applied as controls. Different letters above bars indicate statistical significance (Student–Newman-Keuls’ test, a = 0.05).