Risk of dissemination of relevant phytopathogens of potato with agricultural use of sewage sludge

Authors

  • Silke Steinmöller Julius Kühn-Institut – Bundesforschungsinstitut für Kulturpflanzen, Institut für nationale und internationale Angelegenheiten der Pflanzengesundheit, Braunschweig
  • Magdalene Pietsch Julius Kühn-Institut – Bundesforschungsinstitut für Kulturpflanzen, Institut für nationale und internationale Angelegenheiten der Pflanzengesundheit, Braunschweig
  • Petra Müller Julius Kühn-Institut – Bundesforschungsinstitut für Kulturpflanzen, Institut für nationale und internationale Angelegenheiten der Pflanzengesundheit, Kleinmachnow
  • Martina Bandte Humboldt-Universität zu Berlin, Albrecht Daniel Thaer-Institut für Agrar- und Gartenbauwissenschaften, Fachgebiet Phytomedizin, Berlin
  • Carmen Büttner Humboldt-Universität zu Berlin, Albrecht Daniel Thaer-Institut für Agrar- und Gartenbauwissenschaften, Fachgebiet Phytomedizin, Berlin

Keywords:

Waste water, bacterial ring rot, potato brown rot, Clavibacter michiganensis ssp. sepedonicus, Globodera, sanitization, potato wart, potato processing, potato cyst nematodes, sewage sludge treatment, phytopathogens, quarantine pests, Ralstonia solanacearum, Synchytrium endobioticum

Abstract

Sewage sludge is a significant fertilizer that is generally suitable for usage in agriculture. Depending on the origin of the sewage sludge, it can be contaminated with various animal, human or plant pathogens. Based on literature data, current sewage sludge treatments were analyzed regarding their effectiveness on the inactivation of relevant pathogens of potatoes and the associated risk of their dissemination when sewage sludge is used in agriculture. According to the available literature it has to be concluded, that treatments usually applied in Germany will not be sufficient for complete inactivation of robust phytopathogens. This refers mainly to pathogens of po­tato that are listed in Directive 2000/29/EC, especially Synchytrium endobioticum, the agent for potato wart disease. Therefore, risky waste waters, e.g. from potato processing industries, should not be introduced in municipal waste waters or sewage sludge produced from such risky waste water should not be used in agriculture, to avoid the possible dissemination of such phytopathogens.

DOI: 10.5073/JfK.2014.12.01, https://doi.org/10.5073/JfK.2014.12.01

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Published

2014-12-01

Issue

Vol. 66 No. 12 (2014)

Section

Review

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