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Fig. 2 | BMC Plant Biology

Fig. 2

From: Tissue specificity and differential effects on in vitro plant growth of single bacterial endophytes isolated from the roots, leaves and rhizospheric soil of Echinacea purpurea

Fig. 2

Primary root length elongation (mm) of seedlings of tobacco plants 7 days after inoculation with different E. purpurea (Ep) endophytes

TSB: tryptic soy broth (negative control), CF: culture filtrate. Bars indicate standard errors between two replicates (n = 15). a, c: seedlings belonging to the > 2 cm class; (b), (d): seedlings belonging to the < 2 cm class. *pvalue < 0.05; and ** pvalue < 0.01; *** pvalue < 0.001.

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BMC Plant Biology

ISSN: 1471-2229

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