Division of Floriculture and Landscaping, Indian Agricultural Research Institute, New Delhi 110 012
In Super Star roses pulsing with 3% sucrose for 18 hr at 20°C significantly prolonged the vase-life, accelerated flower diameter, improved water uptake and also increased fresh and dry weight of cut flowers appreciably over the control. Estimation of TSS, RS and TFAA at harvest, on third day and at senescence in corolla tissues of cut flowers revealed that there was a sharp rise in TSS and RS content from harvest to third day and declined at senescence, while TFAA contents increased from harvest to third day till senescence, irrespective of sucrose pulsing. It was concluded that 3% sucrose pulsing for 18 hr resulted in increased TSS and RS content and decreased in TFAA content in corolla tissues over the control during flower senescence.
