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January 16, 2002
The experience of Janna Ellen Hogue, a junior at Iowa State University and winner of the 3rd Annual GPN/Nexus Intern Scholarship, should encourage and inspire students, universities and greenhouse operations alike to continue supporting internship...
January 16, 2002
Holmes to make home of OFA After an extensive search process that began last summer, the Ohio Florists’ Association (OFA) has named John R. Holmes, CAE, as the association’s new executive director. Holmes will begin at OFA on February...
January 14, 2002
We’ve noticed, GPN and I that is, that there is very little quality information about the automated side of our industry. Consequently, we decided that a monthly column about greenhouse automation might be in order. We’ve noticed, GPN and I that is...
January 14, 2002
Plug tray Blackmore’s new 288 X CE Deep Tray is designed for field production of tomatoes along with other crops. The depth of the tray is approximately 1 1/2 inches and soil volume is 9.4 cc. The eight-degree taper permits plants to be...
January 14, 2002
Is your garden center among the Certified?   Proven Winners announces the successful debut of their “Certified Retailer” incentive and education program for independent retailers of Proven Winners products. This national...
January 11, 2002
Regal geraniums (Pelargonium x domesticum) have been popular garden and patio plants since hybridization of this class began in the 1830s. The class combines the genetics of as many as nine pelargonium species. After introduction into the United...
January 11, 2002
Does ammoniacal nitrogen cause stretch in plants, or conversely, does the alternative nitrogen source, nitrate, cause compactness? What does your experience indicate? Do you have all of the facts? Because the application of high-nitrate fertilizers...
January 11, 2002
What are the advantages of insect screening? Properly installed insect screening restricts the entry of insects and pests and reduces pesticide use. What are the disadvantages of insect screening? The disadvantages of insect screening include...
January 11, 2002
The natural human tendency when confronted with a problem is to spring into action. For the ornamental producer, this means you want to spray something on the disease. It is hard to stop and take the time to understand the situation, but reflection...
January 02, 2002
Three for $10, $2.99 with your supermarket card. Is no price too low for the beleaguered poinsettia? How did we get here, and what can we do? For years, growers have looked to reduce crop cost as the way to make money with poinsettias. But there is...
January 02, 2002
With my November editorial, I had hoped to end my campaign against the big box store’s treatment of growers, but developments since last month — in the form of additional policies from the boxes, their effects on growers of all sizes and a...
January 02, 2002
This past summer, I attended a community class called “How to spot and buy gardening trends.” Going into the class, I knew I had the basic knowledge about what is and isn’t trendy, and I assumed I could figure out how to buy it, but was I ever wrong...
January 02, 2002
I’ve always been intrigued with what Mother Nature has imbued in plants and animals to allow them to survive in the complex ecosystem they exist in. Some of these are behavior traits, while others are physical attributes; some are genetic, others...
December 31, 2001
How many trucks does it take to deliver a rose? If that rose is from Mexico, it could take quite a few. Mexican carriers, of flowers, fruit and any other cargo coming into the States, were scheduled to have full access to U.S. highways as of...
December 31, 2001
What is greenhouse film? Greenhouse film is generally ultraviolet-protected polyethylene (similar to sandwich bags) with a thickness from 2-8 mm in the United States. What are the three different categories of glazing? Type I: Thin films,...
December 28, 2001
The most important goal in the application of agricultural pesticides is to get uniform distribution of the chemicals throughout the crop foliage. Underdosing may not give the desired coverage and control needed. Overdosing is expensive as it wastes...
December 28, 2001
Tuberous root development and flower induction of dahlia are controlled by photoperiod; however, photoperiod manipulation is generally not used in their production. Seed-propagated plug production typically takes place under the short days of late...
December 28, 2001
Tall, open spikes of bell-shaped flowers mark the distinctive cut flower ‘Canterbury Bells’, or Campanula medium. The Champion series sports 1- to 1 1/2-inch-long, upward-facing flowers in four colors: Blue (actually purple), Pink (nice, clear pink...
December 28, 2001
Last year, for the first time, GPN published a table, summarizing efficacy results for fungicide and bactericide ornamental trials at Chase Research Gardens. This year, we decided to do the same thing as an annual update. This chart represents five...
December 28, 2001
This is the time of year when the editors of GPN ask for information on what has been happening with insecticides and other related chemicals and predictions for where they are headed in the near future. Based on recent events, it’s difficult to...
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