Fig. 1

Plant growth-promoting potential of various endophytic bacterial isolates, recovered from Solanum sodomaeum and S. bonariense, noted on pathogen-free tomato cv. Rio Grande plants 60 days post-treatment. S11, S14, S26, S27, S28, and S29 are isolates issued from S. sodomaeum. S23, S24, SV71, SV72, SV74, SV75, SV77, SV78, SV79, SV80, SV81, SV84, SV85, SV86, SV87 and SV88 are bacterial isolates recovered from S. bonariense. NIC, untreated control. Bars sharing the same letter are not significantly different according to Student-Newman-Keuls test at P ≤ 0.05