1. Laboratory of Horticulture, National Agricultural Research Institute of Tunisia, University of Carthage, Rue Hédi Karray, El Menzah 1004, Tunisia
2. Higher School of Agriculture of Kef, University of Jendouba, Kef 7119, Tunisia
3. Institute of Rural Development and Sustainable Economy, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, 2100 Gödöllőt, Hungary
4. Doctoral School of Economics and Regional Sciences, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, 2100 Gödöllő, Hungary
5. Doctoral School of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, 2100 Gödöllő, Hungary