**Sergio Ruffo Roberto**

Sergio Ruffo Roberto received his Ph.D. degree from Sao Paulo State University, Brazil, in 1998. Since 2000, he has been a professor at the Agricultural Research Center, Food Research Institute, State University of Londrina. His research focuses on the propagation of fruit species, plant production and postharvest of fruit and vegetables. His recent interests include plant growth regulators, artificial lighting, packaging materials and fruit quality.
