Dr. Brian E. Whipker earned the B.S., M.S., and Ph.D. degrees in Horticulture and Agricultural Education, Agricultural Economics, and Horticulture, respectively. All four degrees were from Purdue University. Brian was a Regional Extension Specialist with Commercial Greenhouse and Vegetable crops in Northern Indiana from 1988 to 1991. He also was an Assistant Professor with responsibilities in floriculture at Iowa State University from 1995 to 1997.In 1997, he became an Assistant Professor of Horticulture at North Carolina State University. His responsibilities are in Floriculture with an 80% Extension and 20% Research split. In 2002, he was promoted to Associate Professor and in 2007 to Full Professor. Research interests include the areas of plant nutrition, plant growth regulators, and economics (cost of production). Extension interests include the development of problem solving guides for growers. Emphasis has been in the development of photographic guides and cultural manuals for problem solving.
In greenhouse floriculture production, Florel® has been the go-to ethephon formulation for years. It is available as a 3.9% active ingredient solution. Fine Americas introduced Collate® in 2013 which is a higher concentration (21.7%) product. Greenhouse label uses for Collate include inducing flowering of ornamental... Read More
Over 35 years ago researchers in Japan reported that benzyladenine, the active ingredient in Configure, increased branching and flower bud production in Christmas cactus (Schlumbergera bridgessii). To confirm Configure’s efficacy, we conducted extensive trials at NC State University on Christmas cactus. We found that Configure... Read More
The most common use of Configure is to apply it during the floral initiation stage of flower development to increase the number of flower buds on Christmas cactus. This video provides some tips to consider when making applications in order to improve overall plant quality.... Read More
Here’s a listing of new information about PGRs For plant growth regulator information, greenhouse growers have a number of online and electronic information sources available. This post highlights some of the latest information about PGRs utilized for ornamental crops. e-GRO Mobile Rate App This spring,... Read More
One of the most cost effective option for improving plant structure, preventing early flowering, and controlling excessive plant growth is Collate® (ethephon). This article highlights some recommendations for getting the most out of your foliar spray applications. By Brian E. Whipker, North Carolina State University... Read More
Plant growth regulators (PGRs) are excellent management tools for controlling excessive stem elongation. By far the major workhorse used by growers is paclobutrazol (Piccolo, Piccolo 10XC, Bonzi, Paczol, Downsize) because it has a high level of activity and it is cost-effective. Many large growers often... Read More