Quarantine and phytosanitary treatments of stored dates are important to prevent the damage caused by insects feeding on these fruits. Radio frequency (RF) have been proposed as one of the most effective and efficient disinfestation methods for postharvest treatments of agricultural products. RF applications have been evaluated to experimentally develop treatment protocol for disinfesting dates. Siwi or Deglet Nour dates, infested by Carpophilus hemipterus (Coleoptera: Nitidulidae). Experiments were performed in a pilot-scale RF heating system and effects on beetle mortality and insect emigration was evaluate after two sets of experiments at different RF voltage (V) – time (s) combinations. Dates exposed for 6 minutes to 5000V RF treatments was evidenced to be effective in killing larvae, pupae and adults of the pests and emigration results showed that the application of 2500 V RF for 8-10 minutes to infested dates resulted in nearly 100% of adults escaping from fruits. These achievements provide a new strategy for controlling key insect pests of dates that could be applied at the industrial scale, allowing for the quick disinfestation of fruits without affecting the fruit with harmful substances such as residues from chemical treatments.

Date disinfestation by radio frequency treatments / Marzia Cristiana Rosi, Patrizia Sacchetti, Roberto Guidi, Anita Nencioni, Francesco Garbati Pegna, Antonio Belcari. - In: IOBC/WPRS BULLETIN. - ISSN 1027-3115. - STAMPA. - 148:(2020), pp. 151-158. ((Intervento presentato al convegno Working Group "Integrated Protection of Stored Products" tenutosi a Pisa nel September 3-6, 2019.

Date disinfestation by radio frequency treatments

Marzia Cristiana Rosi
Writing – Original Draft Preparation
;
Patrizia Sacchetti
Writing – Review & Editing
;
Roberto Guidi
Membro del Collaboration Group
;
Anita Nencioni
Membro del Collaboration Group
;
Francesco Garbati Pegna
Conceptualization
;
Antonio Belcari
Conceptualization
2020

Abstract

Quarantine and phytosanitary treatments of stored dates are important to prevent the damage caused by insects feeding on these fruits. Radio frequency (RF) have been proposed as one of the most effective and efficient disinfestation methods for postharvest treatments of agricultural products. RF applications have been evaluated to experimentally develop treatment protocol for disinfesting dates. Siwi or Deglet Nour dates, infested by Carpophilus hemipterus (Coleoptera: Nitidulidae). Experiments were performed in a pilot-scale RF heating system and effects on beetle mortality and insect emigration was evaluate after two sets of experiments at different RF voltage (V) – time (s) combinations. Dates exposed for 6 minutes to 5000V RF treatments was evidenced to be effective in killing larvae, pupae and adults of the pests and emigration results showed that the application of 2500 V RF for 8-10 minutes to infested dates resulted in nearly 100% of adults escaping from fruits. These achievements provide a new strategy for controlling key insect pests of dates that could be applied at the industrial scale, allowing for the quick disinfestation of fruits without affecting the fruit with harmful substances such as residues from chemical treatments.
IOBC-WPRS Bulletin
Working Group "Integrated Protection of Stored Products"
Pisa
September 3-6, 2019
Goal 3: Good health and well-being
Marzia Cristiana Rosi, Patrizia Sacchetti, Roberto Guidi, Anita Nencioni, Francesco Garbati Pegna, Antonio Belcari
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/1212999
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