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November 30, 2010
While seemingly unpredictable, resistance is manageable once its principles are better grasped and preventative best practices are put in place. For growers, understanding resistance realities improves the health of plants and maximizes pesticide...
July 20, 2010
“What’s new in the PGR arena?” We get that a lot. The answer: several things. We’re working on more products in more areas than ever in the 30-plus years of the University of Florida’s PGR program. Here’s a quick summary of some of our current...
October 28, 2009
For years, there have been no PGRs labeled for use on vegetable transplants. Recently, a supplemental label for Sumagic (uniconazole) has been released to allow foliar sprays on some vegetable transplants: tomato, pepper, ornamental pepper, eggplant...
August 07, 2009
Greenhouse producers are continually seeking alternative means of dealing with insect and mite pest populations, instead of relying solely on insecticides or miticides, to avoid resistance. A “potential pest management strategy” is the application...
August 07, 2009
Controlled-release fertilizers (CRFs) are plastic- or polymer-coated, water-soluble granules that deliver nutrients to crop plants over a defined and extended period of time. There are a number of different brands of CRF in the marketplace that...
June 30, 2009
The use of media applications of plant growth regulators for size control has greatly increased in the past few years. The traditional method for applying PGRs to the media is a drench to the media surface. The advantages are excellent size control...
May 07, 2009
Schofield Media Growers have a wide range of PGRs to choose from to meet the growing requirements of their crops and the shipping requirements of their customers. One of the newest chemicals on the market is Fine Americas Inc.’s Configure, a...
April 09, 2009
In European greenhouses, conventional spraying with output quantities of 500-1,500 liters, or even more, of spraying liquid per 21⁄2 acres is still widely used. But scientific advances, practical experience and increasing awareness of environmental...
March 09, 2009
As demand for retail-ready pots continues to soar — driven both by big boxes and everyday consumers — growers across the country are taking note. Although once reluctant to jump into this niche, growers today are increasingly recognizing the added...
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...