Abstract

BRENES-PRENDAS, Steven; WANG-WONG, Amy  and  AGUERO-ALVARADO, Renán. Plant   pathogens   associated   with   Dieffenbachia oerstedii   and   Sygonium  podophyllum   in   banana plantations in Costa Rica. Agron. Mesoam [online]. 2012, vol.23, n.1, pp.201-206. ISSN 2215-3608.

The objective of this work was to analyze the presence of pathogenisc agents associated to field symptoms observed on D. oerstedii and S. podophyllum, treated with herbicides and untreated, studied from February to November of 2007, at Limofrut C banana farm, Matina, Costa  Rica.   Samples  from  symptomatic  tissue  of  both species  were  taken  to  the  laboratory.  Pseudomonas  spp and Erwinia spp were found on samples from D. oerstedii tissue; Xanthomonas spp were found on  samples from S. podophyllum symptomatic tissue. Fluorescent Pseudomonas bacteria were detected on samples from non symptomatic D. oerstedii tissue.

Keywords : Bacteria; Pseudomonas spp; Erwinia spp; weeds; recalcitrant.

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