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August 06, 2013
The first step to nutrient dosing is knowing your water. Liquid feeding programs always begin with the water. If it isn’t suitable for horticulture, you can’t produce a quality crop. While there are a number of things that can be done to improve the...
August 06, 2013
I have been told that I am a greenhouse guru. I have also been told that I am frugal. When it comes to efficient greenhouse design, I’m a believer in the basics. The most economical structure is one that doesn’t break the bank, either with the...
August 06, 2013
Resistance management of fungicides by using different MOA (mode of action) groups is one of the basic issues faced by growers. These MOA groups are also called FRAC groups, referring to the information compiled by the Fungicide Resistance Action...
August 06, 2013
Times are changing. Urbanization, diminishing farmland, consumer demand for fresh, locally grown produce and their awareness of how far it travels before consumption have made hydroponics — a method of growing plants in a mineral nutrient solution...
August 06, 2013
Mealybugs are one of the most destructive insect pests of greenhouse and interior plantscape environments. One of the commonly encountered mealybug species of greenhouses is the citrus mealybug, Planococcus citri (Figure 1). Citrus mealybugs are...
August 06, 2013
If last month’s OFA Short Course in Columbus, Ohio, is any  kind of an indicator, the future of the horticulutre industry is definitely pointed in the right direction. Attendance was up as the trade show aisles and classrooms in the Greater...
July 22, 2013
A couple of years ago I was asked to give a keynote speech to a group on the state of the building industry. The primary interest on the part of the group was to have me make sense out of what was happening out there and hopefully give some insights...
July 22, 2013
The “green industry” is a mature industry. In short, this means that, over time, sales growth will track with the overall economy.Since the mid-1980s, the industry has had a demographic advantage and has grown faster than the overall economy –...
July 22, 2013
With a pair of strong, bipartisan procedural votes (one passed 82–15 and the second, 84–15) the United States Senate has embarked on the next phase of the journey toward a modernized immigration system. Those votes simply allowed for the debate to...
July 22, 2013
The economy seems to have done an about-face during the first few months of this year and after the hoopla otherwise known as the fiscal cliff came to an end.Housing is rebounding, businesses are starting to hire and shoppers are, well, shopping....
July 22, 2013
Mark Nash and his father, Howard, are not your typical greenhouse owners. They did not grow up in the business, nor do they have an educational background in horticulture. As a matter of fact, there’s a strong possibility neither one of them would...
July 10, 2013
Potted garden (hardy) chrysanthemum is one of the most valuable segments of floriculture crop production in the United States. Produced and sold mostly from summer through autumn, they can be challenging to grow because of their responses to...
July 10, 2013
In recent years, advances in pansy breeding have brought to market a new class of pansies with trailing growth habits. These pansies have great sell-through at retail in spring and fall because of their unique spilling habit, floriferous growth and...
July 10, 2013
By definition, the word “phenomenal” refers to something that is very remarkable or extraordinary. In the past, there have been instances where the cultivar names of certain plants fell short or have not always been representative of the plant’s...
July 10, 2013
Many poinsettia growers in the United States and around the world experienced trouble controlling whitefly during the 2012 growing season. It was worse in some places compared to others. The source of the plant material and how growers set up their...
July 10, 2013
Linder’s Greenhouse and Garden Center in St. Paul, Minn., consistently strives to ensure the success of its customers. The fourth-generation company operates a year-round greenhouse and garden center in St. Paul along with more than 50 Flower Mart...
July 10, 2013
It seems like the explosion of new diseases has accelerated in the past 10 years or so. Marge thinks we are being tested. Having mastered the ABCs of plant disease, we are now into the exam period, to see if we can still help people protect their...
July 10, 2013
Individuals from the horticulture, entomology and plant pathology departments contribute to the floriculture working group at Kansas State University. The horticulture department hosts several faculty who are involved in floriculture activities,...
July 10, 2013
Last month, we focused on the overall trends we picked up in California during Spring Trials. In this issue, we’ll share with you some of the new varieties that were unveiled at the multiple breeder stops. With so many new introductions on display,...
June 11, 2013
For many years, growers have been using the plant growth regulator (PGR) Florel on ornamental crops to abort flowers and flower buds, inhibit extension growth and promote lateral branching. Florel contains the active ingredient ethephon, which...
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