Similarly, Helyeset al. (2003) reported that fruits from cv. Daniela grown in the
greenhouse had higher lycopene content than field-grown fruit. The highest concentration of lycopene was detected in tomatoes grown in plastic houses integrated with red color nets (64.9 _g g−1f.w.), while tomatoes grown in fields covered with pearl nets had the lowest levels of lycopene (46.7 _g g−1 f.w.), Fig. 3.