1. Department of Agricultural Sciences, University of Naples Federico II, Naples, Italy
2. Council for Agricultural Research and Economics, Research Centre for Olive, Citrus and Tree Fruit, Caserta, Italy
3. Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Naples, Italy
4. Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
5. Institute for Sustainable Plant Protection, National Research Council, Naples, Italy