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March 13, 2012
Energy is typically the second largest overhead cost in the production of greenhouse ornamentals. For the past several years, one of our major research thrusts has been to reduce heating inputs as well as reduce electricity costs through more...
February 09, 2012
As energy prices continue to remain high, growers are keen on energy conservation strategies, especially when their operations are located in colder climates. Ultimately, growers are interested in reducing the amount of energy required to produce a...
January 11, 2012
The challenge in today’s business world is to produce more at less cost. The greenhouse industry in this regard is no different than any other business. Historically, most greenhouse owners and managers were and still are a conservative lot. Of...
December 09, 2011
I’ve been receiving an increasing number of inquiries from greenhouse growers about lighting guidelines for growing fruiting vegetable crops. Certainly for vine crops like tomato, pepper and cucumber, the daily light integral (DLI) is the biggest...
November 10, 2011
In this issue, we present a summary of diseases that occur in lavender. To view this layout, please select the PDF option below.
September 21, 2011
Paclobutrazol is probably the most widely used active ingredient used to regulate extension growth of floriculture crops in the United States. Paclobutrazol was introduced to the floriculture industry as Bonzi (Syngenta Professional Products) over...
September 21, 2011
Many perennial growers have been trialing the plant growth regulator Configure to improve various aspects of their perennial programs. Growers are seeking to improve branching, increase the number of flowers produced, and to improve plant quality....
August 24, 2011
Check out these new cut flowers that will keep your buckets and pockets full. The cut flower industry needs to regularly introduce new cut flower species to keep and increase consumer interest. With all the new introductions growers have a difficult...
May 19, 2011
Find out why breeders are working hard to introduce new and exciting eucomis varieties to the market. Eucomis, commonly known as pineapple lily, is an easy-to-produce perennial, native to South Africa. The flower spikes are a dense column of waxy,...
April 13, 2011
Using proper media is crucial to achieving a successful hanging basket. As the popularity of mixed baskets and containers continues to rise, many growers face space constraints in their greenhouses because of limited hanging baskets space. In the...
March 16, 2011
LED technology has been around for a while now but has yet to make its way into the U.S. horticulture market. Here are some considerations for those contemplating a transition. “Live in rooms full of light.” — Cornelius Celsus That’s an interesting...
February 22, 2011
An increasing number of greenhouse growers are familiar with the term “daily light integral” or DLI, which quantifies the amount of photosynthetic light received during one day. The unit for DLI is mol∙m-2∙d-1, which is the number of particles of...
January 27, 2011
In the November 2010 issue, I discussed the fundamentals of how temperature influences the development and timing of greenhouse crops. Conceptually, floriculture crops respond to temperature similarly: they develop in response to the average daily...
January 27, 2011
Integrate maintenance into your winter schedule for a more productive spring Ask a grower about maintenance, and you’ll learn volumes about their greenhouse range. Growers approach the job of maintenance in different ways; many find logged data,...
November 30, 2010
While seemingly unpredictable, resistance is manageable once its principles are better grasped and preventative best practices are put in place. For growers, understanding resistance realities improves the health of plants and maximizes pesticide...
July 20, 2010
“What’s new in the PGR arena?” We get that a lot. The answer: several things. We’re working on more products in more areas than ever in the 30-plus years of the University of Florida’s PGR program. Here’s a quick summary of some of our current...
October 28, 2009
For years, there have been no PGRs labeled for use on vegetable transplants. Recently, a supplemental label for Sumagic (uniconazole) has been released to allow foliar sprays on some vegetable transplants: tomato, pepper, ornamental pepper, eggplant...
August 07, 2009
Greenhouse producers are continually seeking alternative means of dealing with insect and mite pest populations, instead of relying solely on insecticides or miticides, to avoid resistance. A “potential pest management strategy” is the application...
August 07, 2009
Controlled-release fertilizers (CRFs) are plastic- or polymer-coated, water-soluble granules that deliver nutrients to crop plants over a defined and extended period of time. There are a number of different brands of CRF in the marketplace that...
June 30, 2009
The use of media applications of plant growth regulators for size control has greatly increased in the past few years. The traditional method for applying PGRs to the media is a drench to the media surface. The advantages are excellent size control...
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