Effects of bacterial populations, temperature and exogenous hydrogen peroxide on the induction of the hypersensitive response in Nicotiana tabacum against Xanthomonas perforans

Th e objective of this study was to investigate the eff ects of inoculum concentration, plant post-inoculation incubation temperature and exogenous hydrogen peroxide (H2O2) on the induction of the hypersensitive response (HR) in Nicotiana tabacum against Xanthomonas perforans. Inoculation of leaves with X. perforans at a concentration of 108 CFU · ml–1 and incubation of plants at 30°C resulted in the strongest HR elicitation. Furthermore, an exogenous supply of H2O2 accelerated X. perforans-induced HR, whereas in planta H2O2 removal by application of catalase led to a delay in HR development. Our data suggest that H2O2 has an important role in HR of N. tabacum against X. perforans.

• Publication year

  2017

• Venue

  Journal of Plant Protection Research

• Publication date

  2017-06-01

• Fields of study

  Biology, Environmental Science

• Identifiers
  DOI 10.1515/JPPR-2017-0019
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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