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December 31, 2002
Well...it's here -- the end of another year. Next month will bring resolutions and new starts and more trade shows than we could ever attend. But for now, all is peaceful and quiet. The Christmas crops are out the door, for better or worse,...
December 31, 2002
A low-maintenance, glass greenhouse with high-quality results: Sound too good to be true? Find out here if the Dutch Venlo from Rough Brothers is right for you. Design The Venlo offers maximum light transmission with low square foot costs. Its...
December 31, 2002
From the effects of drought to the many new, different varieties being introduced, the 2002 bedding plant trials were ground-breaking, as they are every year. In GPN's second annual bedding plant trial report, Colorado State University, North...
December 31, 2002
This is the time of the year when every poinsettia grower is breathing a sigh of relief, now that all, or most all, of the crop has been shipped and hopefully sold to consumers who value their beautiful plants. Poinsettias, as everyone knows, have...
November 07, 2002
An accurate diagnosis of disease is important for several reasons. Bacterial diseases are not controlled with fungicides, and some bacterial diseases are easily mistaken for fungal diseases. Some fungicides have a narrow spectrum of activity. In...
November 05, 2002
Coreopsis 'Limerock Ruby' is destined to become one of the most sought-after perennials for growers and gardeners across the country. Limerock Ruby yields abundant, 1 1/2-inch, ruby red, daisy-like flowers with yellow eyes, above neat, narrow...
November 05, 2002
Over the past several years, there have been few changes in the growth regulators available to the greenhouse industry. While there have been many new insecticides and fungicides introduced, we have been working with the same height control products...
November 05, 2002
I've been kidding around at some of the recent conferences by polling the audience to determine its makeup. First, I ask how many in the audience work in greenhouses, then how many work in nurseries or both since many nurseries have associated...
November 05, 2002
There is always a strange sense of déjà vu in working with new crops, remembering an earlier time where you worked with a plant and then seeing it resurface on the market again. That's the way it is with rex begonias. When I was first studying...
November 05, 2002
It seems like only a short while ago since I was trying to write this article for 2001. Now it is 2002, and I wonder what has changed in the past 12 months. Although we have seen registrations for new fungicides during the past couple of years,...
November 05, 2002
There's a plug-growing operation in the Western United States where less than five percent of new employees actually have any plug experience upon hiring; where turnover of employees with horticulture degrees can be 15-25 percent per year; and yet,...
October 17, 2002
Does "tissue culture" sound like some kind of scary governmental experiment that reeks of conspiracy and distrust? For those who don't quite understand what it's all about and wonder how it differs from seed, the benefits are many. First,...
October 10, 2002
With more and more new vegetative annuals being produced, growers are finding themselves doing more pinching and cutting back to stimulate better branching and to control growth. Many of the new vegetative annuals are quite vigorous and designed for...
October 10, 2002
Fungus gnats are common pests in greenhouses. Their larvae feed on the roots of many different crops, which can cause direct damage to the crop. The root damage caused by the larvae also makes it easier for fungal pathogens to enter into and infect...
October 10, 2002
Many growers are really excited about putting plants together in container gardens. The "gardeners-in-us" get excited to see how beautiful the plants look mixed together. The "business-people-in-us" know this is an area to capitalize on because of...
October 10, 2002
Raspberries have an exceptionally short shelf life, are easily damaged when handled and do not transport well. Because of their perishable nature, the opportunities to market high-quality, fresh raspberries produced under favorable field conditions...
October 10, 2002
Pesticides used today are less toxic and used less frequently than several years ago. Nevertheless, they can be a serious hazard to employees if not stored and used properly. Storage Store pesticides in a room located away from eating areas, boiler...
October 10, 2002
Versatile perennials, lamiums can be utilized in a number of commercial and garden situations. They look great in containers, alone or mixed with other plants in patio pots, window boxes or hanging baskets. In the landscape, they work well as a...
October 10, 2002
Let's face it, climates are different in Florida, Michigan and Colorado, which can generate some very different results from trial gardens. What succeeds in high heat and humidity may not succeed under cool nights with low relative humidity, and...
October 10, 2002
Photoperiod, or the number of hours of light in a 24-hour period, changes dramatically during the year in temperate regions of the world. For many floriculture crops, photoperiod controls growth and flowering, and a small change in photoperiod can...