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June 26, 2001
Greenhouse floricultural crops are susceptible to several arthropod pests that affect crop marketability and cause economic loss. Among these pests, fungus gnats are especially problematic during propagation when plant roots are just developing....
June 26, 2001
Attending the California Pack Trials for the first time is quite the experience – one definitely in the best interest of every grower, regardless of production size. Aside from the hospitality and the lush displays and the chocolate chip cookies,...
June 26, 2001
The ideal greenhouse heating system would operate continuously and supply heat at the exact rate at which it is being lost from the greenhouse. This would provide the highest efficiency. Since it is neither practical nor possible to design such a...
June 05, 2001
Iron deficiency problems are appearing more frequently than ever among bedding plants and other spring crops. Iron (Fe) deficiency symptoms generally show up as an interveinal chlorosis, normally starting at the shoot tips, but often they occur...
June 05, 2001
Ideas are born from simple things. Something usual, something you see everyday. Then one day, somebody discovers something in the everyday that you didn’t. Something different, something better. Case in point, Len Van Wingerden. Van Wingerden had...
June 05, 2001
Especially this year, growers are all wondering how their neighbors, friends and competitors are faring, what the production trends are and how the floriculture industry is progressing. For this reason, GPN has once again conducted its Annual State...
June 05, 2001
Delivering good news is a rare treat. And this month, I get to do just that. So, first the good news, then the explanation. The good news is … research indicates that growers continue to thrive, and though constantly berated with bad economic news...
May 10, 2001
Many years ago, I saw a television commercial advertising automobile tires. From behind a stack of tires, the owner of the car care center sponsoring the commercial made the bold announcement, "Nobody likes spending money on tires. They’re not...
May 10, 2001
From an 1847 start as a truck farm, this business has blossomed into a full-fledged floral operation. New greenhouses will allow further expansion into the future, while helping them cut heating costs today. For six generations, Wagner Floral...
May 10, 2001
I wonder if all growers and gardeners share the habit of wishing they were raising plants in another region of the country; one that was: a) warmer than their region, b) cooler than their region, c) had more rainfall than their region, d) had less...
May 10, 2001
For years, carnations have been grown as cut flowers. Efforts to develop carnations into flowering potted plants and bedding plants are ongoing and have finally met with success. Seed propagated dwarf carnations are now available. These carnations...
May 10, 2001
A pest no bigger than a dime is threatening two of California’s most important industries, wine and horticulture. The culprit? The glassy-winged sharpshooter (GWSS). This long distance leafhopper has infested almost all of Southern California,...
May 10, 2001
As growers battle high energy costs and a fizzling economy, innovation and automation are helping greenhouse operations through the tough times. For almost a decade, greenhouse growers have been riding the wave of a good economy. Home gardeners and...
March 30, 2001
In 1998, the state of Maryland passed the toughest nutrient management law in the nation, requiring virtually all agricultural operations to write and implement nitrogen (N) and phosphorus (P)-based management plans by December 2002. This was in...
March 30, 2001
As soon as it was announced that I would be taking the reins of GPN, I started lobbying for two things: a readership survey and some road trips. Having a background in consumer publishing makes me keenly aware of the reader. So I wanted to know what...
March 30, 2001
A few years back, Les Shipley was contacted with an interesting challenge that would change his life. Would he be willing to leave retired life in the Victoria Rain Forest in British Columbia and transplant himself into the Arizona desert to start a...
March 30, 2001
The introduction of fast growing, seed propagated cyclamen cultivars with flowers in many different colors, improved growing techniques and expedited scheduling have created renewed interest and increased opportunities for cyclamen. Most cultural...
March 30, 2001
While northern growers begin specialty annual production in spring and continue production through summer, the Deep South industry runs on an almost inverse schedule for these generally cool season crops. Production in Florida begins as temperatures...
March 30, 2001
Disease control is one of the most complicated issues facing the ornamental industry today. One of the approaches to disease is for the grower to attempt a diagnosis of symptoms and choose the appropriate fungicide for control. Due to the difficulty...
March 30, 2001
While lisianthus has become an extremely important cut flower in the last decade, it certainly is not an easy crop to produce. Lisianthus seems to be plagued with a number of diseases, and fusarium crown and stem rot is one of the most damaging. It...