February 2008
Don’t you just love finding an unexpected $20 bill in your coat or pants pocket? One minute, you’re broke; the next, you are sitting pretty. That newfound Andrew Jackson can seem like a million bucks. Well, 2008 — and this...
Through the combined support of five poinsettia breeders, one commercial greenhouse and two universities, the 2007 National Poinsettia Trials provided poinsettia growers with independent evaluations of many of the new...
The best of trials were selected from the trials at North Carolina State, the University of Florida and Pleasant View Gardens, where the cooperators were Karolina Dworczak and Deke Jackson. Each location picked the 10 best...
High fuel prices have pushed growers to turn down the thermostats on their poinsettia crops. Colder growing temperatures increase the risk of delayed flowering and reduced bract size, so researchers at Clemson University in...
Deciding which poinsettia cultivars to grow is based on many factors and highly dependent on the market served. These recommendations are based on the cultivars’ performance in our trials, other trial sites and commercial...
Q Can I use liner dips or drenches for growth regulation of herbaceous perennials? A Yes, definitely! Liner dips are applied by soaking the plug root ball in a solution of a soil- active PGR like paclobutrazol or uniconazole...
Fertilizer recommendations are most often given in terms of the concentration of a desired element in the irrigation water. This concentration is expressed as parts per million (ppm). For example, you may use a 20-10-20...
Twospotted spider mite (Tetranychus urticae) is a major arthropod pest of greenhouses feeding on more than 300 plant species. Twospotted spider mite (TSM) feeds within plant cells, damaging the spongy mesophyll, palisade...
The Shasta daisy is one of the most recognizable perennials known to gardeners, landscapers and commercial growers. The popularity of Shasta daisies has increased further following the Perennial Plant Association’s naming of...
Calibrachoa has not been a part of our industry for very long: The first plants were taxonomically described in 1989 and the first cultivars released in 1992. The original plants were found in coastal areas clinging to rocks...
Many greenhouse growers in cooler climates watch their crops of New Guinea impatiens “stall” during the late winter and early spring; plants grow very slowly and take several months before they first begin to flower. Because...
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