Endophytic Bacteria Can Replace the Need for Synthetic Auxin during In Vitro Rooting of Pyrus communis

This study aimed to investigate the presence of beneficial microorganisms in micropropagation Pyrus communis rootstocks through isolation, identification, and selection auxin-producing bacteria. The selected were also inoculated vitro evaluate their effect on plant rooting process behavior during acclimatization phase. results showed endophytic tissue cultures ‘OH×F87′ ‘PDW’ selections. A low diversity was observed population isolated from culture ‘OH×F87’and selections, with a predominance genera Acinetobacter, Bacillus, Buttiauxella. promoting performed based auxin production test, which 30.36% tested positive. In inoculation, it possible observe promotion growth emission roots pear rootstocks, inoculation bacteria identified as capable producing auxin. can be used replace inclusion synthetic productive chain woody fruit trees propagated by vegetative means, such pears. None bacterial isolates notably more promising, but general similarity treatments containing A. septicus ursingii strains, treatment, suggests possibility its use large scale allowing adoption cheaper method. rooting. work opens door for further research using new, promising microbial isolates, lower-cost microorganism cultivation techniques, low-cost media obtained agro-industrial residues.