2. Materials and methods
2.1. Plant material and general cultur
S. cardinalis seeds produced after self-pollination were collected and germinated in a 15 cm pot filled with MetroMix 200 (Sun Gro Horticulture, Agawam, MA, USA) under a mist bench (8 s of mist every 15 min for 12 h/day: 07:00–19:00).