The Effect of Salicylic Acid Function on Vase life and Activity of the Phenylalanine Ammonia Lyase Enzyme of Cut Flowers (Rosa hybrid acv. Black Magic)

چکیده مقاله

Ornamental products such as cut flowers have a limited display life so the effect of some effective chemical holding treatments on vase life of Ross (Rosa hybrida L.) cv. Black magic cut flower was studied. In this research conducted the effects of two levels salicylic acid (100 and 200ppm) treatment along with sucrose (3%) was conducted in a factorial arrangement, carried out in a completely randomized design. The recorded traits included: vase life, fresh weight, dry weight, ion leak, water absorption, anthocyanin content, total chlorophyll content and phenylalanine ammonia lyase enzyme activity. The results showed that the greatest delay in senescence was obtained in cut rose treated with salicylic acid 200 mg/l (7/8 Day) as compared to control treatment (distilled water, DW) in addition, the application of salicylic due to the impact of the Phenol cycle and Antioxidant role, reduces the activity of the Phenylalanine ammonia lyase enzyme

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