Fig. 4From: Acinetobacter calcoaceticus SJ19 and Bacillus safensis SJ4, two Algerian rhizobacteria protecting tomato plants against Botrytis cinerea and promoting their growthEffect on the length of roots and shoots 4 weeks after the second treatments. Each value represents the mean of 15 replicates ± SE. For a given type of tomato organ, different numbers above the bars indicate significant differences between treatments based on a Newman–Keuls multiple range test (P < 0.05)Back to article page