View All: Articles

March 05, 2009
According to the National Retail Federation (NRF), overall spending for the 2008 holiday season declined 2.8 percent. It was the first decrease in holiday sales since NRF began tracking and forecasting holiday sales in 1995. Consumers were extremely...
January 26, 2009
Fertilizing is one of the most important tasks in growing quality plant material, and yet, it is often the most overlooked. The right fertilizer in the right amount can make all the difference to your plants — and, ultimately, to your bottom line....
January 19, 2009
In our industry, it seems something of a paradox to consider the need for a “green initiative” — for a green anything. Growers, always creative in their growing processes, see recycling as a matter of course, reusing as an operational standard and...
December 11, 2008
Pesticides — in this case, insecticides and miticides — are used primarily to control arthropod pests encountered in greenhouse production systems. These include greenhouse whitefly, sweet potato whitefly B biotype, green peach aphid, two-spotted...
November 18, 2008
Seated at this year’s chemical trends roundtable are five of GPN’s contributors, savvy experts in the fields of plant growth regulators, and pest and disease control. The following pages contain their observations on the chemical industry as it...
June 11, 2008
When it comes to low-volume chemical application in the greenhouse, growers have a variety of options to choose from — from mist blowers to targeted low volume sprayers. Coverage is everything. Even the most effective new pesticide is useless unless...
April 09, 2008
This year is shaping up to be a milestone for growers on the sustainability front. As retail chains, buyers and consumers request more eco-friendly and sustainable products and solutions from growers, nursery owners are looking for green solutions...
April 09, 2008
We have been working on branching of herbaceous perennials for more than 15 years. Some things have worked better than others, but one of the best examples is the use of benzyladenine (6-BA) on echinacea. We finally have a labeled and effective 6-BA...
December 11, 2007
Growers have been using capillary mats for about 75 years. Initially, they were made of different types of fibrous wool or cotton, and more recently, they’ve been produced from synthetic fibers such as fiberglass polypropylene, polyester and acrylic...
October 19, 2007
Leaves dropping off plants, brown blotches on leaves and stunted seedling: all telltale symptoms of downy mildew on coleus. Both seed and vegetatively propagated types are susceptible. The brown or blighted areas on diseased foliage have an...
September 19, 2007
When it comes to selecting a miticide to control spider mites or “mites” in the greenhouse or outdoors, there is oftentimes confusion that all miticides are similar in terms of their use patterns and the range of mites that are controlled. However,...
September 19, 2007
Gaillardia adorns its native North and South American habitats and cultivated gardens with daisy-like flowers of red and yellow, which resemble vibrant-colored blankets created by American Indians. Hence, gaillardia has been given the common name of...
December 13, 2006
What some thought 10 years ago would be a trend that would eventually fade away has instead established itself as a new form of gardening, undoubtedly claiming its permanent spot in horticulture: container gardening. What started with hanging...
December 13, 2006
There have not been many plant growth regulators introduced for greenhouse crops over the past 15 years. One of the newer PGRs is Topflor (flurprimidol). At North Carolina State University, we have conducted extensive trials over the past five...
December 13, 2006
In the second article of our 2-part series, we are presenting research-based information from North Carolina State, Clemson and Michigan State Universities on how to properly manage two of the most critical components of the propagation environment...
November 15, 2006
Post-patent products, new experimental products and an evolution in how chemicals are applied are the topics in this year’s look at plant growth regulator (PGR) trends. All of our registered growth regulators are older chemicals and no longer...
November 15, 2006
Each year I face a challenge to think of enough topics for the articles, columns, newsletters and talks that I do. I have been doing the fungicide update for GPN off and on for about seven years, and sometimes I know what I want to write about...
November 15, 2006
For the last few years, the prospects for new chemistries were rather bleak, so it finally feels good to have some hope. In addition, most of the new chemistries are reduce-risk or organophosphate (OP) replacement products. IR-4 (www.ir4.rutgers....
August 15, 2006
New cut flowers are fun to look at in the catalogs, research on the Internet and discuss with fellow growers. Expectations are high when the seed or plugs first arrive. Of course, a few cultivars fall by the wayside during the production process,...
August 15, 2006
Ask any group of growers how their spring growing seasons were and you usually get many different answers. But this year you would be amazed at how similar their answers really are. Every grower is different, but their experiences this spring were...
Email Subscriptions