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February 05, 2013
You would like your plant’s root system to be in balance with the soil, your growing media. Balance in water, balance in food, balance in microbes and balance in organic/inorganic matter all group together to maintain the health of the roots....
December 06, 2012
I have been working on ornamental diseases caused by bacteria for more than 30 years.  This started with diseases of foliage plants at the University of Florida in the 1980s and early 1990s. At that time, the only effective choices were...
December 06, 2012
To learn about diseases affecting primula, click on the PDF link below.
November 12, 2012
To learn about diseases affecting coleus, please click on the PDF below.
October 12, 2012
Although it feels like we are being inundated with new downy mildew diseases, downy mildew of basil was actually first found in Uganda in 1933. The current outbreak started in the United States in field-grown basil in south Florida in October 2007....
September 10, 2012
A plant diagnostic lab is a useful resource for growers with plant problems. Plant pest and disease diagnosis requires a partnership between the lab and the grower, and this article offers best practices on how to take full advantage of the services...
September 10, 2012
To learn more about diseases affecting lobelia, please click on the PDF link below.
August 09, 2012
No matter their size, pests can quickly spread as plant material is moved from facility to facility and become unmanageable, leading to shrink, reduced profits and even loss of native species. In this fifth article, the ornamental pest management...
August 09, 2012
To learn about diseases affecting dieffenbachia and aglaonema, please click on the PDF link below.
July 11, 2012
Western flower thrips (WFT), Frankliniella occidentalis, is still one of the most destructive insect pests of commercial greenhouses feeding on a wide variety of horticultural crops. WFT damage potential is due not only to its ability to directly...
July 11, 2012
In this issue, we present a summary of diseases that occur in ranunculus. Remember: Product controls are based on research trials and do not reflect an endorsement of any sort. To learn more about diseases affecting ranunculus, click on the PDF link...
July 09, 2012
Whether poinsettias are pinched by hand or are mechanically sheared, considerable effort and expense goes into the pinching process. Today’s poinsettia varieties all branch better than older varieties, but none would be described as “free branching...
June 08, 2012
To learn about diseases affecting azalea, click on the PDF link below.
May 10, 2012
To learn more about diseases affecting asters, please click on the PDF link below.
April 20, 2012
Growers have inquired about using mycorrhizae in professional peat and bark mixes. Most people are not familiar with mycorrhizae and there is confusion and misleading information in the industry about these beneficial organisms. This article is...
April 20, 2012
Western flower thrips (Frankliniella occidentalis) is the most destructive insect pest of greenhouses worldwide causing both direct and indirect damage to a wide range of horticultural crops. The primary means of dealing with these pests in...
April 20, 2012
In this issue, we present a summary of diseases that occur in phlox. Remember: Product controls are based on research trials and do not reflect an endorsement of any sort. Click on the PDF below to learn more.
March 13, 2012
To learn more about diseases affecting verbena, please click on the PDF link below.
February 28, 2012
To learn more about diseases affecting dahlias, please click on the PDF link below.
February 09, 2012
Many growers no longer rely exclusively on conventional pesticides to control pests. Most have increased their use of mechanical and biological control methods.While pesticide resistance issues have driven much of this change in management...