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July 09, 2002
With the advancement of perennial production, many operations are looking at their current fertility programs only to discover the traditional practices used with greenhouse crops aren’t always sufficient with many perennial crops. With a shift in...
July 09, 2002
B-Nine and Cycocel have been effectively used as a tank mix growth regulator application for many years. The major benefit of this tank mix is that it provides an easy-to-apply, medium-activity growth regulator application. The spray volume is not...
July 09, 2002
Eye-catching color and vigorous growth have brought nothing but popularity for Calibrachoa, and it has become one of the industry’s hottest vegetatively propagated specialty annuals. Calibrachoa’s petite, single, petunia-like flowers, finely...
June 20, 2002
Dallas Johnson Greenhouses has embraced sensible automation in many areas of its operation. But the biggest reason for improved shipping efficiency has been a conceptual change. The centerpiece of the change is a large staging area that is used to...
June 11, 2002
There are over 30 cultivars of ornamental peppers available. Many of the older cultivars like ‘Filus Blue’ or ‘Bolivian Rainbow’ are tall-growing and make excellent background plants in the landscape. Plant breeders at the USDA in Beltsville, Md.,...
June 11, 2002
One of the main advantages of a retractable roof system is that the size of the structure is not limited by the restrictive capacity of mechanical ventilation systems. This allows the total growing area to have fewer “edges,” resulting in a more...
June 11, 2002
Are you looking for a new potted plant that doesn’t need pinching or disbudding; a fast crop for hanging baskets; an unusual plant to make your container gardens stand apart from the competition; top-quality plants that are easy to grow with no...
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...
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