Figure 2: Comparative plant growth-promoting ability of endophytic bacterial isolates from Datura stramonium on tomato cv. Rio Grande plants noted 60 days post-treatment. S36 and S37: Isolates from stems; S38, S39 and S40: Isolates from flowers; S41: Isolate from leaves. S43, S44, S45 and S55: Isolates from roots. NIC: Uninoculated with the pathogen and untreated control. Bars sharing the same letter are not significantly different according to Student Newman Keuls test at P ≤ 0.05.