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Date: January 1, 2007
Contact: Shane Barney, Marketing Manager, 317-216-6323 or
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Topflor* Plant Growth Regulator Now Registered in California

Carmel, IN –Topflor Ornamental Plant Growth Regulator from SePRO Corporation is now registered for use in California on container-grown ornamental plants in commercial greenhouses, nurseries and shadehouses. Topflor can be used to regulate the height of plants, improve their shape and quality and make them more desirable to the consumer.

“Topflor contains the active ingredient flurprimidol which effectively reduces internode elongation through the inhibition of gibberellin biosynthesis, resulting in a more desirable plant,” states Todd Bunnell Ph.D., Turf and Ornamental Research Manager for SePRO.  “Some unique characteristics of Topflor include its degree of activity on a wider variety of plant species and its plant uptake efficiency versus other plant growth regulators.”

In addition to growth regulation, Topflor enhances plant quality by improving the color intensity and quantity of blossoms as well as the overall plant shape.  Plants treated with Topflor will also exhibit darker leaf color, stronger stems, greater leaf thickness and improved water use efficiency. 

“At a time when choosing the right plant growth regulator can be complicated, Topflor will simplify the grower’s decision by providing activity on a wider variety of crops while enhancing plant quality and pre-conditioning the plant to handle the stress of the retail sales environment.” notes Roger Storey, Vice President of SePRO’s Turf and Ornamental Business.  “Topflor has become an important tool in Europe since its launch in 1995 for the production of high quality poinsettias, chrysanthemums, geraniums, campanula, bedding plants and many other crops.”

SePRO Corporation is recognized as an industry leader in providing the highest level of technical service to customers who operate in specialty markets of the USA.  SePRO's key business segments include the U.S. Aquatics Industry, the Greenhouse/Nursery Markets, and the Professional Turf/Landscape Management market.  To learn more about SePRO Corporation, its products, services and technologies, call 1-800-419-7779 or visit the SePRO web site at


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