Effect of Different Preservatives on Vase Life of Tuberose

Authors

1 Horticulture Research Center, Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh

2 Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh

3 Farm Division, Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh

4 Plant physiology Division, Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh

Abstract

This study was carried out to investigate the effect of different
preservative solutions to improve the keeping quality of tuberose (Polianthes tuberosa cv. Single). These preservative solutions (treatments) were: T1= 2% sucrose + 200 mg/l AgNO3, T2= 2% sucrose + 200 mg/l AgNO3 + 25 mg/l citric acid, T3= 2% sucrose + 300 mg/l HQS, T4 = 2% sucrose + 300 mg/l HQS+ 25 mg/l citric acid, T5= 2% sucrose + 200 mg/l AgNO3 + 300 mg/l HQS, T6= 2% sucrose + 200 mg/l AgNO3 + 300 mg/l HQS+ 25 mg/l citric acid, T7= 0.01 % sodium hypochloride, T8= 0.05 % sodium hypochloride, T9= 0.10 % sodium hypochloride and T10= tap water (control). The results showed
that all treatments had improved the keeping quality and vase life of the cut flowers comparing to control ones. Among all these treatments, 2% sucrose + 200 mg/l AgNO3 + 300 mg/l HQS+ 25 mg/l citric acid showed best water uptake, water loss uptake ratio, percentage of maximum increase in fresh weight of the cut flower stem and vase life which was extended up to 10 days. According to the results of this research it is concluded that, 2% sucrose + 200 mg/l AgNO3 + 300 mg/l HQS+ 25 mg/l citric acid are suitable for prolongation of tuberose vase life.

Keywords