improvement of the vase life of cut gladiolus flowers by salicylic acid and putrescine

the effects of salicylic acid (sa) and putrescine (put), on cut gladioluswas studied. sa (0, 150, 300 and 450 mg l-1) and put (0, 100, 200 and 300 mg l-1), their combinations were tested as preservative mixture. this study was conducted in a factorial experiment with complete randomized design on 192 gladioluscut flowers in horticulture laboratory of agriculture faculty of islamic azad university, jiroft branch. the recorded traits included vase life, flower diameter, spad, flower diameter, flower petal wilting, percent of floret blossoming, total soluble solids (tss) and solution uptake. the results shown effect of different levels of put (p