View All: Articles

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...
April 25, 2005
Producing compact bedding plants often involves a chemical means of height control. Sumagic (uniconazole, Valent USA Corp.) is a plant growth-regulating chemical that reduces stem elongation and is used to control height of ornamental plants. In...
April 20, 2005
Reducing plant handling costs is a goal of most greenhouse businesses. Carrying plants is time consuming and heavy work. It is also expensive. There are many systems that can be used to reduce this task and its cost. Purchase decisions should be...
March 24, 2005
Management of soil-borne diseases is critical in greenhouse and nursery production. Soil-borne diseases are caused by the pathogens Pythium and Rhizoctonia (damping off), Thielaviopsis (black root rot) and several other root rot and wilt organisms...
March 04, 2005
With spring season nearly upon us (or in full swing for those growers far south and west), everyone is getting extremely busy taking care of all those crops in the greenhouse. Days are full of transplanting, watering, moving crops, spraying and...
January 25, 2005
You could receive a perfectly healthy liner or plug, but without correct fertilization crop quality (and profit) will quickly go downhill. Because the wide range of plant species we grow differ in nutritional needs it is often difficult to grow...
January 25, 2005
Most materials that growers receive are handled on pallets. Bags of growing mix, bundles of containers, fertilizer and construction materials require less handling labor when pallets are used. Fortunately, there are many pieces of equipment that...
January 25, 2005
Elephant ear or taro (colocasia) has been increasing in popularity because of both the wider range of color choices and improved cold hardiness. The species, Colocasia esculenta, produces 5- to 7-foot-tall plants that have very large (3 feet),...
January 25, 2005
With its robust evergreen foliage and impressive late winter to early spring blooming display helleborus has caught interest from gardeners, landscapers and perennial enthusiasts everywhere. It has gained such popularity that the members of the...
December 16, 2004
A variety of commercially prepared potting mixes are available for today’s commercial growers. Selecting the formulation that performs best for your particular situation can be a difficult task, unless you know the specific needs of the crop, your...
November 11, 2004
My wife keeps telling me I should stop playing softball. She says I’m getting old. My answer, “And?” I went to play anyway, like any good warrior would and ran into an opponent I used to play against when I was…younger. We briefly reacquainted...
November 11, 2004
In my 18 years of working with plant growth regulators (PGRs), I have never had a more active research year; we have worked with more potential PGR products this year than ever before and are also seeing a lot of interest in applying old chemistries...
Email Subscriptions