Shortages or toxicities of nutrients that retard photosynthesis will reduce vase life. Deficiencies in a number of nutrients, including nitrogen, calcium, magnesium, iron, and manganese, result in a reduction in the chlorophyll content, which in turn reduces photosynthesis. The net result is a low carbohydrate supply for the flower. High levels of nitrogen at flowering time can have an adverse effect on keeping quality. Diseases and insects reduce the vigor of the plant, directly reducing vase life.
Fresh flowers deteriorate for one or more reasons.
Inability of stems to absorb water due to blockage 2. Excessive water loss from the cut flower 3. A short supply of carbohydrate to support respiration 4. Ethylene gas Inability to absorb water is a very common reason for premature wilting. These microorganisms and their chemical products plug the stem ends, restricting water absorption.