Fresco Growth Promotion

Brian Whipker, North Carolina State University Many factors can result in plant stall, including insufficient fertilization rates, sub-optimal temperatures, cloudy weather, and plant growth regulator overdoses (anti-gibberellin PGRs) (Figure 1). The question often asked by growers, “how can I obtain a little additional growth?”  The...
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Evening-Out Results with Paclobutrazol

Brian Whipker, North Carolina State University One of the most popular plant growth regulators (PGR) used in greenhouse floriculture production is paclobutrazol.  Bonzi® from Syngenta was the initial paclo registered in the U.S.  Fine Americas offers Piccolo® and their newer formulation of Piccolo 10XC®.  For...
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Getting The Most Out of Your PGR Applications

There are a number of factors that influence getting the most out of your plant growth regulator applications.  Some of the top considerations are listed below. Environmental Conditions.  Environmental conditions can have a significant impact on the efficacy of a PGR.  Applying PGRs early in...
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