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November 07, 2005
Well, we don’t have a banner year for the availability of new chemistry or new labels, but there are two new paclobutrazols, Paczol (Chemtura Corp.) and Downsize (Greenleaf Chemical LLC), and a new gibberellin/ cytokinin product, Fresco (Fine...
November 07, 2005
One of the problems with predicting events is that they rarely occur on time — if at all. Last year, I described three new fungicides (BAS500-pyraclostrobin, cyazofamid and Fenstar-fenamidone) that were in line for ornamentals registration, and...
November 07, 2005
It is important that labels are expanded and/or new products become available in order to provide an “arsenal” of materials that may be used in pest management programs. However, what is more important is that enough materials with different modes...
October 05, 2005
Sedum, also known as stonecrop, is a popular, well-known perennial garden plant. The succulent leaves, sturdy stems and massive flower heads have earned the plant a spot on many landscapers’ “must have” lists. Besides their physical attributes,...
October 05, 2005
The genus campanula contains more than 300 species, many of which are of Northern origins. Campanula species are commonly referred to as bellflowers and can add a great splash of blue, white or red to any perennial garden. Many campanulas such as C...
October 05, 2005
Each year, many new lily hybrid cultivars are introduced to the market, mainly for use as cut flowers, and long stem length is an obvious characteristic of cut flowers. These cultivars, when grown as pot plants, require effective height control...
October 05, 2005
Bulb crops are an important segment in the yearly rotation for a greenhouse. They help fill the gap between the poinsettia and bedding plant seasons. The short cropping time and limited amount of bench space required for a large amount of pots add...
October 05, 2005
To feed, or not to feed — that is the question greenhouse producers contemplate for every crop. Am I using enough fertilizer? Can I use more without jeopardizing the crop? What are the ramifications of too much fertilizer? In order to address these...
October 05, 2005
New Guinea impatiens breeding for greenhouse and landscape performance has tremendously improved over the past two decades. At the Penn State Trials this past summer there were more than 100 great-performing cultivars in both the shade and full sun...
September 06, 2005
If it has been a while since you traversed the Rockies and made it to the Farwest Show in Portland, Ore., you’re missing out (look for full show coverage next month). Not only is it one of the best-attended industry shows in the nation, but it’s...
August 03, 2005
Official label approval has been given to a number of innovative methods of applying plant growth regulators (PGRs). The Bonzi label (paclobutrazol, Syngenta Professional Products) includes a number of “chemigation” methods, including injection...
August 03, 2005
Vegetatively propagated floriculture crops continue to increase in popularity because of tremendous production, marketing and garden success. Growers are able to propagate a wide variety of herbaceous plants on-site through the help of improved...
July 12, 2005
Applying PGRs as a drench early in the production of poinsettias provides better control, is often easier than sprays and has less effect on bract development. More important, is that early drenches can be applied safely after the spray cutoff dates...
July 12, 2005
The “liner dip” is a new and effective method for applying plant growth regulators (PGRs). It is an efficient way to treat large numbers of plants with minimal labor and chemical. Liner dips can be particularly beneficial for very vigorous crops...
June 09, 2005
With so many new plant introductions every year it starts to get a little difficult to get excited about another shade of red geranium, an impatiens that is a quarter of an inch shorter or another day length “neutral” petunia. So for many of us the...
June 09, 2005
Over the past nine years we have seen a 300-percent increase in the number of cuttings imported into the United States. In 2003, greenhouse growers in the United States imported more than 724 million unrooted cuttings (URCs) of annuals and...
June 09, 2005
Echinacea purpurea ‘Little Giant’ is a dwarf coneflower with many desirable attributes suitable for both container production and landscape uses. Its distinguishing characteristics include a compact growth habit, reaching only 12-16 inches tall;...
June 09, 2005
Canna ‘Tropicanna Gold’ is the newest member of the Tropicanna family of cannas from Anthony Tesselaar International. It is a sport of the original Tropicanna (var. ‘Phasion’). Description ‘Tropicanna Gold’ is distinguished by the alternatively...
May 17, 2005
The potential for unauthorized use of pesticides has prompted new concerns about storage and security. Now may be a good time to review your storage practices to see if they meet current guidelines. Proper storage can prevent accidents that could...
May 17, 2005
Life is good in the coneflower world. Echinaceas are topping the perennial charts — ‘Rocky Top Hybrids’ are among the many new selections. Exciting new patented clonal selections are being introduced yearly, but the seed option (easy to produce...
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