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December 12, 2003
In recent years, sales of impatiens -- Impatiens wallerana, double impatiens and New Guinea impatiens -- have been phenomenal. However, one problem with impatiens is premature flower and bud drop, which can be induced by ethylene, low light...
December 12, 2003
Though the Scrophulariaceae and Verbenaceae family names may not sound too familiar, you've most certainly grown some member species. Here, we will look at the currently known responses of perennial plants from these families to plant growth...
November 06, 2003
Now that I have the chance to explain to you what is new in the disease control sphere, I find myself thinking that you might not have taken advantage of what was new last year, or the year before last. The flower industry is conservative about...
November 06, 2003
Each year when we do this special chemical section in GPN, I'm a little envious of the insect and disease folks; they always seem to have new stuff to talk about. New plant growth regulators (PGR) just do not come along as fast. In fact, for the "...
November 04, 2003
Festuca 'Boulder Blue' is an outstanding cultivar of ornamental grass. Although it is new to the commercial perennial trade, Boulder Blue was actually selected more than 25 years ago by plantsman Ted Keuttel of Golden, Colo. This cultivar has been...
November 04, 2003
Primula obconica, sometimes referred to as German primrose has soft, pastel-colored flowers in shades of white, pink, orange, purple or lilac. This primrose is attractive as a flowering potted plant or mixed with other plants in color bowls or...
November 04, 2003
Selecting the correct product for the job is very important to the success of a pest management program, but equally important is the equipment and application technique used to apply the pesticide. To help select the right application and equipment...
November 04, 2003
Over the past decade, the agrochemical industry has developed a range of safer products. These new crop protection tools are much more selective against target pests, exhibit low human toxicity and have minimal impact on the environment. Insect...
November 04, 2003
Increasingly, greenhouse growers are applying plant growth retardants to bedding plants during the plug stage. Spraying plants when they are in the plug stage is a very efficient way to treat them, since there are so many in a small area. It's also...
November 04, 2003
Wouldn't it be nice if you had about 135 different options for mealybug control like I had options for governor a few months ago? Yes, that's right, I live in California. If you had that many options, you would be just as confused picking the best...
November 04, 2003
I know, I know, but I love this plant. I think there is still a lot of room for new cultivars and new forms. Cut me a little slack, and I promise I won't be back to this crop for at least. . . six months. We were doing some work for Ball Floraplant...
October 03, 2003
Tomatoes, the biggest hydroponically produced crop on a worldwide scale, are complex in their physiology and response to crop management techniques since vegetative growth, flowering and fruiting all need to be continually maintained simultaneously...
October 03, 2003
When we started our fall pansy and viola trials three years ago, our objective was twofold: 1) to provide information to growers, breeders and consumers about the performance of different cultivars and 2) to use the trials as a vehicle for consumer...
October 03, 2003
Now that we are in the latter part of October, most poinsettia growers figure their job is finished and are just waiting for the plants to color up so they can be shipped. But this is the most critical time for last-minute adjustments to height...
October 03, 2003
Although it's definitely the plant that counts in the end, you can't deny the effects of container size. It can control your plant's growth in order to meet a specific consumer demand, capitalize on space in order to ameliorate shipping cost, and...
October 03, 2003
Watering and fertilizing are two tasks that take the most amount of time in your greenhouse, and fertilizing is also one of the most important. You want to get the job done quickly and accurately, meaning you want an injector that is easy to install...
October 03, 2003
A sport of Hedera helix'Merion Beauty' isolated in New Jersey in 1976, 'Duck Foot' gets its name from its small, 1-inch, three-lobed leaves that resemble the foot of a duck. Its free-branching habit allows it to fill in quickly, whether grown in...
August 27, 2003
Flying Colors diascia is early to bloom and longer lasting in the summer garden than other diascias. Rooted liners planted January-March will finish in 5-7 weeks for 4-inch pot (one plant per pot) and 10-12 weeks for 8- to 10-inch pots (three plants...
August 22, 2003
Well it's finally feeling like a normal Florida summer, with a half inch of rain every afternoon and temperature and humidity at around 90. Since we had a relatively dry summer, a lot of plants that traditionally give up the ghost in June have...
August 22, 2003
The Toto series was developed and introduced as an exceptionally short-growing black-eyed Susan (Rudbeckia hirta). The short stature of 10-15 inches makes these plants an excellent choice for flowerbeds, interiorscapes and containers, with an...
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