purpurea in root biomass, even though both species were small in above ground growth. paradoxa were not significantly different from E. tennesseensis was significantly higher compared to other species. Biomass of Echinacea species was significantly different in root, vegetaive and flower parts. There was no significant difference in root or flower biomass between cultivars. Echinacea purpurea `Bright Star' and `Clio' significantly produced the most total dry weight compared to all other cultivars. There was a significant difference in total dry weight between E. Differences in dry weights of Echinacea species and cultivars harvested after the first year of growth was determined. Biomass and phenolic content will be evaluated to determine if exposing these plants to various treatments increases the quality of the plant over 1 and 2 years of growth. The second objective of this study is to form an evaluation of the differences in biomass and phenolic content of five cultivars of E. purpurea `Magnus' is influenced by fertilization after flower bud removal and vegetative pruning. The objective of this experiment is to determine if biomass and phenolic content of Echinacea purpurea and E.
More research is needed to determine cultural practices that will produce a plant high in biomass and phenolic content, the chemical used for testing the quality of the harvested plant on a percent basis of roots, flowers and vegetative parts. Purple Coneflower is of great value to the horticultural, pharmaceutical, and herbal industry.
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