
Keywords: ABA; abscisic acid; APX; ascorbate peroxidase; CAT; catalase; GR; glutathione reductase; HL; high-light; LNNA; NÏ-nitro-l-arginine; NO; nitric oxide; NOS; nitric oxide synthase; PPFD; photosynthetic photon flux density; PTIO; 2-(4-carboxy-2-phenyl)-4,4,5