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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,...
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...
September 10, 2002
This year's Ohio Florists' Association trade show was, as usual, a mind-boggling mix of new crops and production technology. The educational program was stuffed with great speakers, and I admire anyone who can attend this event, walk the show and...
September 10, 2002
One of your most productive employees hobbles up to you with a sore back. "It's been hurting ever since I moved that puncher to the other side of the greenhouse," he says. "I think I need to go to the doctor." What do you do? How do you report it?...
August 22, 2002
The Native American perennial heuchera has become one of the hottest, most must-have perennial plants for today's gardens. Heucheras belong to the family Saxifragaceae, which includes many other popular perennials such as astilbe, berginia,...
August 20, 2002
In 1988, research conducted by Dr. Jim Barrett at the University of Florida demonstrated the potential of Bonzi (paclobutrazol) drenches for poinsettia height control. This technique proved to be particularly effective when used late in the...
August 20, 2002
Hydroponics was once thought simply to be the growing of plants without soil. It has since evolved into a science--the growing of plants in a nutrient solution with or without an inert medium such as gravel, sand, peat, vermiculite, perlite,...
August 09, 2002
The most important primula species in production today include English primrose or acaulis primula (Primula vulgaris, synonym P. acaulis), polyanthus, polyantha primrose or hybrid primrose (P. xpolyantha), fairy primrose or baby primrose (P....
August 09, 2002
Tulips are a good example of a flower bulb crop that can be adapted to hydroponic culture. In Holland, approximately 30-35 percent of the cut tulip crop is forced hydroponically, and we have been evaluating this production method at Cornell over the...
August 09, 2002
Growing annual and perennial flowers for cutting during the summer is becoming a popular way for greenhouse operators to bridge the spring bedding plant and holiday potted crop seasons. In many respects, outdoor flower crops, particularly annuals,...
July 09, 2002
I selected the following plants because they are easy to produce or offer a very specialized look. All of these plants have a place in the component plant world and most will add something different to any container. This is by no means all of the...
July 09, 2002
Well, believe it or not, it’s time for another poinsettia season! Some of you are already tired of poinsettias, having done poinsettia stock plants since last spring. Other growers are just rooting bought-in cuttings and potting up finished...
July 09, 2002
Poinsettias can, at times, be a problematic crop, but being aware of the more common nutritional, physiological and insect and disease-related problems encountered during production can help reduce the headaches. By watching for potential problems,...
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