2. Materials and methods
2.1. Plant material and experimental conditions
The experiment was carried out in a glasshouse at the Plant Growth Unit, Massey University, Palmerston North (latitude 40.28 S, longitude 175.48 E), New Zealand, from October 2002 to April 2003, with main growing period coinciding with the summer in the Southern Hemisphere. ‘Ancho St. Luis’ hot pepper seeds were sown on 14 October 2002.