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Mahdiyeh Gholami,Majid Rahemi,Somayeh Rastegar 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.5
Effects of postharvest application of two plant growth regulators viz., benzyladenine (BA) and gibberellic acid (GA_3)with sucrose in the pulse solution on the vase life of roses ‘Red One’ were investigated. Results show a maximum gain in fresh weight (18.01%) in the cut roses in the treatment with a 20 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose pulse solution. In contrast to the change in fresh weight, treatments of 10 or 20 mg・L^(-1) BA and the control recorded the maximum water uptake. A pulse solution of 10 or 20 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose or 10 mg・L^(-1) BA+ 10 mg・L^(-1) GA_3 + 100 g・L^(-1) sucrose significantly increased vase life of cut roses than the control. Treatments of 100 g・L^(-1) sucrose, control, 10 mg・L^(-1) GA, 10 or 20 mg・L^(-1) BA + 100 g・L^(-1) sucrose recorded higher petal tissue electrolyte leakage and decrease in vase life. Pulsing with a solution of sucrose at lower concentrations along with GA_3 (10 mg・L^(-1)) was promising in increasing vase life of cut roses ‘Red One’.