
Resources and references
Where our guidance comes from
Our field calls are grounded in university research and professional standards, then extended by our own documented field positions. The science is the floor.



Watch on ABC Action NewsAs seen on TV
Jeff Kaulbars on The Morning Blend.
Jeff joined ABC Action News’ Morning Blend to talk about why palms in Florida communities fail, and what proactive palm health care looks like.
Lethal bronzing
The vector research
We lean on the work of Dr. Brian Bahder (UF/IFAS), among the foremost researchers on lethal bronzing and its planthopper vector in Florida.
UF/IFASBahder Lab, lethal bronzing and Haplaxius crudus research
Professional standards
How the work is held
Our people and methods follow the recognized professional standards for arboriculture.
ISACertified Arborist, TRAQ, and Best Management Practices
ANSI
A300 standards for tree care operations
A300 standards for tree care operations
Palm diseases
UF/IFAS EDIS
PP139Fusarium Wilt of Canary Island Date PalmPP143
Thielaviopsis Trunk Rot of PalmPP144
Bud Rot of PalmPP142
Leaf Spots and Leaf Blights of Palm
Nutrition and disorders
UF/IFAS EDIS
EP269Potassium Deficiency in PalmsEP267
Manganese Deficiency in PalmsEP266
Magnesium Deficiency in PalmsEP264
Boron Deficiency in PalmsEP263
Physiological Disorders of Landscape Palms
Pruning, planting, and the rating method
Practice and method
EP443Pruning Palms (UF/IFAS EDIS)EP001
Transplanting Palms in the Landscape (UF/IFAS EDIS)
Method
Blair et al. 2019 (palm visual-health, live-frond ratio) and i-Tree (percent crown missing), behind our condition scale
Blair et al. 2019 (palm visual-health, live-frond ratio) and i-Tree (percent crown missing), behind our condition scale
How we use the research
The science sets the floor. Where Florida field conditions call for it, our own documented positions extend the published guidance. Every diagnosis and treatment call is made by our ISA Certified Arborist.
Put it to use
Questions about the science?
An ISA-certified arborist can walk your property and show you the evidence behind every call. It starts with the free master plan: one written plan, 10 years.
Request the free master plan