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Tuesday, February 27, 2024

Flowers this Valentine’s Day may have longer-lasting, sweeter smells thanks to UF researchers in the environmental horticulture department.

Thomas A. Colquhoun, a research scientist in the environmental horticulture department, and David Clark, a professor of environmental horticulture, have discovered a way to manipulate the scents of petunias and plan to apply their research to other flowers. He said UF researchers identified genes in petunias that determine fragrance and manipulated them to see how they affected the flower’s overall smell.

By turning down a gene or turning it off completely, they could see what role the gene played in creating the flower’s scent, Colquhoun said. He believes the work is significant because scientists may be able to fine-tune fragrances in other flowers as well to make their scents more appealing to consumers.

Clark said the research has important implications as Valentine’s Day approaches.

Some roses sold around the holiday have no fragrance, he said.

According to consumer panels and marketing research, costumers are willing to pay 10 percent more for fragrant flowers.

Clark said flowers appeal to the eyes, but he wants them to appeal to the nose as well.

“We hope to put the fragrance back in roses,” Clark said.

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