1 . Dole JM and Wilkins FH (1999) Floriculture, Principles and Species. Prentice Hall Upper Saddle River New Jersey. Pp. 356-360.
2 . Emongor VE (2004) Effect of gibelerllic acid on postharvest quality and vase life of Gerbera Cut Flowers (Gerbera jamesonii). Agron. 3: 191-195.
3 . Ezhilmanthi K, Singh VP, Arora A and Sairam RK (2007) Effect of 5-sulfosalicylic acid on antioxidant activity in relation to vase life of Gladiolus cut flowers. Plant Growth Regul. 51: 99-108.
4 . Farokhzad A, Khalighi A, Mostofi Y and Naderi R (2005) Role of ethanol in the vase life and ethylene production in cut Lisianthus (Eustoma grandiflorum Mariachii. cv. Blue) flowers. Agri. Soc. Sci. 1: 309-312.
5 . Ferrante A, Hunter DH, Hackett WP and Reid M (2002) Thidiazuron – a potent inhibitor of leaf senescence in alstromeria. Postharvest Biol. and Technol. 25: 333-338.
6 . Heins RD (1980) Inhibition of ethylene synthesis and senescence in carnation by ethanol. Amer. Soc. Hort. Sci. 105: 141-144.
7 . Hunter DA, Ferrante A, Vernieri P and Reid MS (2004) Role of abscisic acid in perianth senescence of daffodi (Narcissus pseudonarcissus ‘Dutch Master’). Physiol. Plantarum 121: 313-321.
8 . Janowska B and Jerzy M (2003) Effect of Gibberelic acid on post harvest leaf longevity of Zantedeschia elliottiana (W.WATS.) ENGL. Fruit and Ornamental Plant Res. 11: 69-76.
9 . Meng X and Wang X (2004) Relation of flower development and anthocyanin accumulation in Gerbera hybrida. Hort. Sci. Biotech. 79: 131-137.
10 . Podd LA and Staden V (2002) Physiological response and extension of vase life of cut carnation flowers treated with ethanol and acetaldehyde. I. Chlorophyll content and carbohydrate status. Plant Growth Regul. 38: 99-105.
11 . Robiza-Swider J, Lukaszewska A, Skutnik E, Rybka Z and Wachowicz M (2004) Lipoxygenase in Senescing cut leaves of Zatedeschia aethiopica Spr. and Hosta ‘Undulata Erromena’ treated with GA3 or BA. Acta Physiolgiae Plantarum 26(4): 411-415.
12 . Saks Y and Van Staden J (1993) Evidence for the involvement of gibberellins in developmental phenomena associated with carnation flower senescence. Plant Growth Regul. 12: 105-110.
13 . Singh A, Kumar J and Kumar P (2008) Effect of plant growth regulators and sucrose on post harvest physiology, membrane stability and vase life of cut spikes of Gladiolus. Plant Growth Regul. 55: 221-229.
14 . Sultan SM and Farooq S (1999) Effect of sucrose and GA3 on the senescence of cut flowers of Narcissus tazetta cv. Kashmir local. Adv. Hort. Sci. 13: 105-107.
15 . Wu M, Lorenzo JZ, Saltveit ME and Ried MS (1992) Alcohols and Carnation senescence. Hort. Sci. 27: 136-138.