https://doi.org/10.4081/ija.2015.632

Effects of treated agro-industrial wastewater irrigation on tomato processing quality

Vol. 10 No. 2 (2015)
Submitted: 28 November 2014
Accepted: 7 February 2015
Published: 23 June 2015
Agro-industrial wastewater, faecal indicator, processing tomato, water quality.
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Authors

  • Giuseppe Gatta • giuseppe.gatta@unifg.it Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Angela Libutti Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Anna Gagliardi Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Grazia Disciglio Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Luciano Beneduce Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Mariangela d'Antuono Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Michele Rendina Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
  • Emanuele Tarantino Department of Agricultural Food and Environmental Science, University of Foggia, Italy.
This study was designed to determine the qualitative and microbiological impact of two different sources of irrigation water on tomato fruit: groundwater (GW), as the control, and treated agro-industrial wastewater (SW). The mean tomato fruit quality parameters of dry matter, weight, diameter, colour index, pH, soluble solids content, titratable acidity, Ca2+ and Na+ content were not significantly affected by the different water treatments. Conversely, NO3– contents was significantly higher with GW use, than with SW (2.21 vs 1.62 mg 100 g–1, respectively; P≤0.05). The microbial quality of the tomato fruit was not significantly different across the GW and SW treatments, with no Salmonella spp. isolated from any of the fruit, and the faecal indicators always below 10 CFU g–1. These data show that agro-industrial treated wastewater can be used for irrigation for industrial tomato production once the long-term effects on the agroecosystem have been defined.

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Supporting Agencies

Italian Ministry of Universities and Research (MIUR)

How to Cite

Gatta, G., Libutti, A., Gagliardi, A., Disciglio, G., Beneduce, L., d’Antuono, M., Rendina, M., & Tarantino, E. (2015). Effects of treated agro-industrial wastewater irrigation on tomato processing quality. Italian Journal of Agronomy, 10(2), 97–100. https://doi.org/10.4081/ija.2015.632

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