Fig. 23. Disease reduction on ‘Marian Seefurth’ plants treated with beneficial bacteria (four plants on right) compared to four non-treated plants (left) 28 days after inoculation with X. axonopodis pv. dieffenbachiae. In repeated trials disease was reduced by 25 to 40% on treated plants, whereas all non-treated plants died within 28 to 35 days after inoculation. Photo by A. Alvarez.

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