View All: Articles

June 11, 2002
One of the keys to a successful scouting program is being able to accurately identify the pests and diseases you come in contact with. The following is a review of the most prevalent greenhouse mites. Two-spotted Spider Mite (Tetranychus urticae):...
May 09, 2002
Last month’s article focused on options for material movement when growing on the floor, but what about growing on bench systems? Creating the proper environment for crops should be the single most important criterion when deciding on a production...
May 07, 2002
To effectively implement a mite management program, you must first identify the mite species, understand its life cycle and determine whether populations are at an economically damaging threshold. This is accomplished through a scouting plan that is...
May 07, 2002
Controlling fertilizer and water use and runoff is a necessity for some businesses due to their proximity to environmentally sensitive natural areas or water sources. Reducing water and fertilizer use for many businesses, however, is becoming...
May 07, 2002
During the Victorian period, flowers were associated with emotions, strengths or moral qualities. Several legends in the naming of the flower forget-me-not suggest everlasting friendship, remembrance and eternal love. These correlations are still...
May 07, 2002
Most everyone who has been to Hawaii has picked up a “Ti Log.” It’s one of those souvenirs we bring back to prove we’ve been places, and while many of us have grown this plant at one time or another, its use has waned in the last 10 years. While...
May 07, 2002
Petunia x hybridia Hort. is one of many members of the family Solanaceae grown primarily as an ornamental plant, and the most economically important ornamental member of this family due to its horticultural value. It is a popular bedding plant — the...
May 07, 2002
Flower bulbs comprise a significant proportion of spring production in many North American greenhouses. Their quick greenhouse time, close spacing and “green” reputation (little fertilization required, limited pest problems) are all attractive to...
April 02, 2002
Cuphea hyssopifola (False Mexican Heather) is one of the most commonly used annuals, renowned for its drought tolerance, constant show of color and ease of production. But this plant is only the tip of the iceberg for this group of really strong...
April 02, 2002
Growers concerned about controlling plant height have traditionally used chemical plant growth regulators (PGRs) to maintain plants at a certain size. The usual approach has been to apply one or more applications of a single PGR of a predetermined...
April 02, 2002
As promised in last month’s issue, the second of GPN’s two-part series on nutrient disorder shows you symptoms associated with additional deficiencies and toxicities of nutrients in greenhouse crops. When assessing nutritional status, remember the...
April 02, 2002
Enterprising cut flower growers are looking for new species and cultivars to provide their customers with different products and enhance sales. At the same time, upscale retail florists are discovering what European florists have known for years:...
April 02, 2002
Growers have little or no control over the conditions their products are exposed to once they leave the production facility. Environmental conditions likely to affect the performance of greenhouse crops during postproduction handling and sales...
April 02, 2002
Fungal leaf spots are the most common and obvious diseases present during ornamental crop production. In most cases, they are easily noticed, and the temptation to guess specific causes is great. While certain characteristics may often be present...
March 18, 2002
I think this crop is a fantastic example of what our industry can do when it puts its mind to it. Six years ago, Angelonia angustifolia was a good little summer annual in the South, but unreliable both in hardiness and in vigor; it was also pretty...
March 18, 2002
Four sets of information are important when assessing the nutritional status of greenhouse crops and developing corrective procedures. First, determine irrigation water quality prior to developing the location. Do this during a wet and a dry period...
March 18, 2002
Commercial, field-grown cut flower production encompasses an incredible array of plant materials, including fresh, dried and preserved flowers, stems and berries. A large portion of fresh and dried cuts in North America is grown outdoors. Cuts are...
March 18, 2002
By the time you read this article, Easter lilies will have been planted, and flowering and height control are likely the major issues remaining for a successful conclusion of this crop. This year, Easter will be on March 31, 2002, and most plants...
March 01, 2002
Two stars of the booming vegetatively propagated bedding plant market are petunias and calibrachoa. These closely related species offer consumers rapid growth, a wide range of colors and durability. The vigor of petunias and calibrachoa, while great...
March 01, 2002
Here it is, the middle of the plug season, and plug growers are wondering how to keep their plugs from stretching or flopping. With short days and low light conditions in much of the country during this time of the year, small seedlings want to...
Email Subscriptions