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Tropical Plant Pathology

, Volume 43, Issue 1, pp 10–20 | Cite as

Evaluation of different salt-amended electrolysed water to control postharvest moulds of citrus

  • Ahmed Hussien
  • Yosra Ahmed
  • Al-Haythm Al-Essawy
  • Khamis Youssef
Original Article

Abstract

The effect of different salt solutions added to electrolysed water (EW) was assessed as sanitising agents against Penicillium digitatum, P. italicum and P. ulaiense. Different settings of electrolysing machine were optimised to improve sanitation. The acidic and alkaline EW combined with thirteen salt solutions were used to treat spore suspension and the count of colony forming units recovered on potato-dextrose agar media was estimated. In addition, the same treatments were applied to spore suspension before inoculating orange fruits, which were incubated at favourable conditions for disease development. Results showed that acidic EW was more effective than alkaline EW in inhibiting growth and disease development of citrus mould pathogens, likely due to a synergetic effect. The EW amended with salt solution showed improved sanitary effect and enhanced disease suppression caused by EW. This showed to be an environmental friendly option to reduce the residue of sanitising agents and fungicide use in conventional processing of citrus fresh fruits.

Keywords

Citrus × sinensis Penicillium digitatum Penicillium italicum Penicillium ulaiense Alkaline electrolysed water Acidic electrolysed water Salts 

Notes

Acknowledgements

Current work was supported by the Science and Technology Development Fund (STDF), Egypt (grant no. 5555 Basic & Applied).

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Copyright information

© Sociedade Brasileira de Fitopatologia 2017

Authors and Affiliations

  • Ahmed Hussien
    • 1
  • Yosra Ahmed
    • 2
  • Al-Haythm Al-Essawy
    • 2
  • Khamis Youssef
    • 2
  1. 1.Central Administration of Plant QuarantineMinistry of Agriculture and Land ReclamationGizaEgypt
  2. 2.Agricultural Research CenterPlant Pathology Research InstituteGizaEgypt

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