Nov 3, 2016

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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Oct 10, 2016

Getting the Timing Right Is the Key for Configure® Foliar Sprays on Increasing Flower Number of Christmas Cactus

Dr. Brian Whipker Blog

Brian Whipker, North Carolina State University I received a number of questions pertaining to the timing of Configure® foliar sprays on Christmas cactus (Schlumbergera bridgesii). The active ingredient in Configure® is benzyladenine, and extensive research at North Carolina State University and elsewhere has proven the benefit...
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Jun 1, 2016

Using Branching Agents on Woody Ornamentals in the Nursery

Professor Joyce Latimer Blog

Once a grower starts using and learning about the variety of plant growth regulators (PGRs) available, he/she becomes interested in testing PGRs to improve plant growth and appearance. And, in how to reduce pruning costs through using branching agents. Yes, we can reduce pruning labor...
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May 9, 2016

PGRs on Woody Ornamentals in the Nursery

Professor Joyce Latimer Blog

One of the more common questions I get on using plant growth regulators (PGRs) is, “Which PGRs and what rates do I use on woody ornamentals?” And, I just don’t have a lot of my own research results to share on this topic. We have...
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Apr 15, 2016

Christmas Cactus – Early Configure Applications for Increasing the Number of Phylloclades

Dr. Brian Whipker Blog

Over 30 years ago, researchers in Japan reported that benzyladenine, the active ingredient in Configure, increased branching (number of phylloclades) and flower bud production in Christmas cactus (Schlumbergera bridgessii). Most growers are aware and use Configure to increase the number of flower buds in the...
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Apr 6, 2016

Using Configure to Increase Pot Fill for Early Sales of Herbaceous Perennials

Professor Joyce Latimer Blog

Many producers are using a bedding plant production model to fast-track their herbaceous perennials, many times in quart pots. The use of branching agents, like Configure, can significantly improve pot fill which can enhance early sales, improving the “fit” of these plants into the bedding...
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Mar 1, 2016

New PGR Resources: Perennial Guide and Apps

Professor Joyce Latimer Blog

PGR resources are available in a variety of presentation methods. Printed PGR Guides are available for rates and resources for PGR use on annual floral crops and for herbaceous perennial plants. These Guides are mailed to subscribers of GrowerTalks magazine in January each year, with...
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Dec 10, 2015

Dazide Pre-Plant Liner Soak Experimental Trial

Dr. Brian Whipker Blog

Dazide is the trade name for the plant growth regulator daminozide. It is widely used in greenhouse production as a foliar spray to control excessive stretch of flowering plants. Daminozide is tied up by the root substrate, so it cannot be used as a drench....
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Dec 1, 2015

Getting The Most Out of Your PGR Applications

Dr. Brian Whipker Blog

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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Nov 15, 2015

Plant Growth Regulator Electronic Resources

Dr. Brian Whipker Blog

There are a number of free PGR resources available to greenhouse growers. This video highlights iBooks, apps and pdf guides that will help improve your use of plant growth regulators. Brian Whipker is a Professor of Floriculture at North Carolina State University. He specializes in...
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