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July 06, 2006
The liner dip method for applying plant growth regulators (PGRs) is finding increased acceptance with growers. Liner dips are an efficient and effective way of controlling vigorous crops. However, in some cases inconsistent results have been...
July 06, 2006
The popular Miscanthus sinensis is undoubtedly the most commonly produced ornamental grass. ‘Super Stripe’, also referred to as porcupine grass, is a great addition to this species and offers many improved attributes over other cultivars. Breeder...
July 03, 2006
Containers are spaced at certain distances to obtain marketable plants and reasonable profits per square foot of production area. There is a tradeoff between container spacing and plant quality: Closer spacing tends to reduce plant quality (...
June 14, 2006
The principal method used for fertilizing greenhouse crops is to apply completely soluble fertilizers with a fertilizer injector (or proportioner). Fertilizer injectors “inject” a small quantity of concentrated fertilizer solution (stock solution)...
June 14, 2006
With its ease of production and ability to flower the first year, Coreopsis grandiflora ‘Sunfire’ is a great addition to spring perennial programs. ‘Sunfire’ produces an abundant supply of large, single, yellow blooms with burgundy-red centers, and...
June 05, 2006
Increasing efficiency — that is what this article is all about. You might be thinking, well, who made Jim Snyder the expert on efficiency? I’m the first to say I’m not an expert, but I’m always looking for a new idea I can use — whether it is a new...
March 23, 2006
The efficiency, capacity and versatility of most mechanized plant-handling systems depend on the right materials being in the right place at the right time. Whether supplying soil or pots to a filling machine or moving plants from the growing area...
December 13, 2005
Controlling plant height of bedding plants can be one of the biggest challenges for greenhouse growers, especially when trying to produce containers or hanging baskets that contain more than one plant species. One new strategy is to dip or soak the...
November 08, 2005
Helianthus annuus and Rud-beckia hirta are popular garden plants with many prospects for use in the landscape. Recent selections with compact growth habits are not only excellent choices for conventional gardens but for use in borders,...
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...
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