September 5, 2007
More Whitefly Management
Consider this a SWAT team for whiteflies. The Ad Hoc Whitefly Task Force made up of federal and state regulatory agencies and scientists in the ornamentals, cotton and vegetable industries has published guidelines and a management program to help growers manage resistant populations, especially the Q-biotype. For the task force’s letter to ornamentals growers, click here. To download the whitefly management program, click here.
August 29, 2007
GROWER TOOL: Whitefly Management
Just in time for the second month of your poinsettia production, Syngenta has put together a production calendar to help growers manage whiteflies along with pesky mites, mealybugs and thrips. The rotational program contains suggested treatments for various stages of poinsettia production if insect pressure warrants it. The suggested treatments are among the msot effective for controlling both B and Q Biotypes, and the treatments rotate with different modes of action to prevent resistance from developing. Download the production calendar here.
August 22, 2007
Whitefly control has been a challenge this year, the Society of American Florists (SAF) reports. In order to avoid serious problems later in the season, scientists in the field and on the Ad Hoc Whitefly Task Force advise growers to watch their spray programs carefully to be sure they are working. Resistant whiteflies, and/or increased numbers of whiteflies, have been reported by growers in several parts of the United States. It is extremely important that growers who notice apparent resistance in whitefly populations send whitefly samples for biotype identification. The Q-biotype, first discovered in the United States in 2004, is resistant to many, but not all, of commonly used chemicals. Is the B-biotype developing stronger resistance as well? Only grower-scientist cooperation can provide that answer. Samples can be sent to any of several labs with guarantees of anonymity, and no regulatory action will follow. But knowing which biotype a grower […]
August 15, 2007
Holtkamp Featured On Forbes.com
Grower Reinhold Holtkamp of Holtkamp Greenhouses near Nashville, Tenn., was featured this week on Forbes.com. The writer was clearly fascinated with all the research and development Holtkamp has done in African violets. Check it out at by clicking here (after a welcome screen).
August 8, 2007
The University of Florida will host a series of workshops at local nurseries next month to help growers implement water and nutrient best management practices to minimize runoff. The information will be presented in English and Spanish by Dr. Paul Fisher and other Spanish-speaking faculty. Bill Argo from Blackmore Co. will present nutrient management. Dates are Sept. 17 in West Palm Beach, Sept. 18 in Wimauma, Sept. 19 in Apopka and Sept. 20 in Quincy. For details, contact Paul Fisher at [email protected]
August 8, 2007
Florida Growers Reduce Water Use
Richard Carroll of Carroll Brothers Nursery in Clearwater and Scott Roth of Sunshine Growers in Plant City (pictured) have been working with Natural Resources Conservation Services (NRCS) to reduce water use by implementing a new Aquamat Irrigation System. Carroll reports savings of more than 96 percent compared to overhead watering and 78 percent compared to a container drip tube system. Roth has grown 15 crops using the system and reports faster and more uniform growth.Funding is available to help growers implement. For a preview of an article with testimonials scheduled to run in a Florida newspaper, visit: http://www.greenhousegrower.com/benchrunner/ 20070808_testimonials.html
July 25, 2007
Summit Distributes Circle Of Life Pots
Ball Horticultural Co.’s biodegradable Circle of Life Pots will be distributed exclusively through Summit Plastic Co. The pots are made of rice hulls and are available in sizes ranging from 3.5 inches to a trade gallon. Pots are available branded as part of Circle of Life or with no brand. Pots will be distributed from Akron, Ohio and Seattle, Wash. For more information, visit http://www.ballhort.com/News_Event.aspx?newsID=65.
July 25, 2007
Match Water With Crops And Fertilizer
The Scotts Company, which owns the Peters line, has a new Web-based service to help growers match fertilizer to their water type and crop needs. Growers can enter their county and crop and choose from products suggested based on analysis of water types identified through more than 15,000 water sample tests conducted for growers throughout the country. The Peters A-B-C Selection System yields recommendations for more than 70 crops based on four different water types ranging from low to high alkalinity. Growers can register for water tests online and view the results. Check it out at http://www.PetersABC.com.
July 25, 2007
Poppelman’s New Production Facility
Poppelmann Plastics USA has started producing thermoformed and injection-molded pots for its TEKU division in a new factory in Claremont, N.C. Representing an investment of more than $12 million, the plant contains 55,000 square feet of production and warehousing space. Operations also include offset printing and labeling for marketing purposes. For more information about the German pot producer, visit http://www.poppelmannusa.com.
July 18, 2007
VeriFlora Certifies Ball Tagawa Growers
Ball Tagawa Growers of Arroyo Grande, Calif., has been certified under the VeriFlora sustainability certification program for fresh cut flowers and potted plants. The company, which is a joint venture between Ball Horticultural Co. near Chicago and Tagawa Greenhouses of Colorado, produces rooted cuttings and plugs. Other certified California growers include Ascus Nursery, Resendiz Brothers Protea Growers, B&H Flowers and Ocean View Flowers. For more information about VeriFlora, visit: http://www.veriflora.com.
July 11, 2007
IR-4 Database For Biopesticides
Wondering what biopesticides are available to use on your crops? The Interregional Research Project No. 4 (IR-4) has launched a biopesticide/organic data base that is searchable by crop, pest and state. Specialty crops include ornamentals, fruits, vegetables and turf. Check it out at http://www.ir4.rutgers.edu/Biopesticides/LabelDatabase/index.cfm
July 5, 2007
Pest Management Guide
BASF Turf & Ornamentals has published a free pest management guide to help nursery, greenhouse and turf maintenance professionals. The guide addresses fungicides, herbicides and insecticides. Interested growers can order guides at the BASF ornamentals-focused Web site: www.betterplants.com