INFLUENCE OF SOME ANTI-TRANSPIRANTS ON THE LONGEVITY, QUALITY AND COLD DRY TRANSPORTATION OF THAUMATOPHYLLUM BIPINNATIFIDUM (SELLOUM) CUT LEAVES

Document Type : Original Research Article

Authors

Ornamental Plants and Landscape Gardening Res. Dept., Hort. Res. Inst., ARC, Alexandria, Egypt

Abstract

Speed desiccation after detaching cut foliage from mother plants is one of the main problems that faces cut foliage producers. Thaumatophyllum bipinnatifidum (selloum) leaves have a large surface area, allowing for much water loss through transpiration and that can be reduced by using anti-transpiration agents. Inferior temperature during shipment of cut flowers and foliage causes a negative effect on their vase life. Two experiments were carried out. The first one was to investigate the effect of spraying the cut selloum leaves with Na2CO3 at 5 and 10%, Aloe vera extract at 5 and 10%, sweet almond oil at 5 and 10%, glycerol at 5 and 10% and tap water as a control on its longevity and quality. The second one was to study the effects of Aloe vera extract at 10%, sweet almond oil at 5% and glycerol at 5% on the quality of selloum cut leaves during cold dry storage.In the first experiment, the highest increase in vase life was obtained after the application of glycerol at 5% and Aloe vera extract at 10%. In the second experiment, the results showed that all treatments caused a significant increase in survival rate and vase life after storage as compared to control without significant differences in between. Cooling conditions caused a significant increase in all studied parameters. Using Aloe vera extract at 10% or sweet almond oil at 5% under cooling conditions caused the highest significant increase in chlorophyll content as compared to other treatments

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