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Stomata behavior in pea leaves after 24 h of pathogen (E. pisi) challenge in different treatments: P- Pathogen E. pisi, O- P. fluorescens OKC, T- T. asperellum T42, OT- combination of OKC and T42. Stomata of pea leaves were open in treatments P and O, nearly closed in T and closed in OT. White arrows indicate open stomata and black arrows indicate closed stomata. The bars are equivalent to 100 μm.
