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Nancy Burelle
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Nancy Kokalis-Burelle, Ph.D.
Ecologist

U. S. Horticultural Research Laboratory
2001 South Rock Road
Fort Pierce, FL 34945
Telephone: (772) 462-5861
Fax: (772) 462-5986
Email: Nancy.Burelle@ars.usda.gov

Current Research Projects

Alternatives to Methyl Bromide Soil Fumigation for Vegetable Production

  • Development of new biologically based and reduced risk chemical alternative technologies to methyl bromide for production of tomato, pepper, strawberry, and cucurbits.
  • Working in Cooperation with Gustafson LLC on development of BioYieldTM 213, a product to be added to transplant mixes which contains several plant growth promoting rhizobacterial (PGPR) strains and which has improved plant vigor and yield of tomato, pepper, and strawberry.
  • Evaluation of plant growth promoting rhizobacteria (PGPR) for inducing disease resistance and increasing yields in cooperation with scientists at Auburn University.
  • Determining efficacy and application methodology for Plantprotm 45, an iodine based, reduced risk chemical, for control of root-knot nematode and important fungal and bacterial pathogens of tomato, pepper, and strawberry.
  • Assessment of rotation and cover crop effects on root-knot nematode and nonparasitic nematode populations.
 
Nematode eggs parasitized by fungi.
 
 
A plant root nematode.
Nematode galls on vegetable roots.
 
   
     
               

Selected Publications

Kokalis-Burelle, N. 2000. Biological Control of Tomato Diseases. In: Biological Control of Major Crop Plant Diseases. S. Gnanamanickam, ed. Marcell Dekkar, Inc. NY.

Kokalis-Burelle, N., W. F. Mahaffee, R. Rodriguez-Kabana, J. W. Kloepper, and K. L. Bowen. 2000. Effects of switchgrass rotations with peanut on nematode populations and soil microflora. (Submitted for Publication).

Kokalis-Burelle, N., D. M. Porter, D. H. Smith, R. Rodr?guez-K?bana, and P. Subrahmanyam (eds.). 1997. Compendium of Peanut Diseases, Second Edition. APS Press, St. Paul, MN.

Rodr?guez-K?bana, R., and N. Kokalis-Burelle. 1997. Chemical control and biological control: Present practice and future possibilities. Pages 397-418 In: Soilborne Diseases of Tropical Crops. R. Hillocks, ed. CAB International, Reading, UK. 452 pp.

Qui, J. J. Hallmann, N. Kokalis-Burelle, D. B. Weaver, R. Rodr?guez-K?bana, and S. Tuzun. 1997. Activity and differential induction of chitinase isozymes in soybean resistant or susceptible to root-knot nematodes. J. Nematol. 29 (4):523-530.

Soler-Serratosa, A., N. Kokalis-Burelle, R. Rodr?guez-K?bana, C. F. Weaver, and P. S. King. 1996. Allelochemicals for control of plant-parasitic nematodes. I. In vivo nematicidal efficacy of thymol and thymol/benzaldehyde combinations. Nematropica 25:57-71.

Kokalis-Burelle, N., and R. Rodr?guez-K?bana. 1994. Effects of Pine Bark Extracts and Pine Bark Powder on Fungal Pathogens, Soil Enzyme Activity, and Microbial Populations. Biological Control 4:269-276.

Kokalis-Burelle, N., R. Rodr?guez-K?bana, C. F. Weaver, and P. S. King. 1994. Evaluation of Powdered Pine Bark for Control of Meloidogyne arenaria on Soybean. Plant and Soil 162:163-168.

Kokalis-Burelle, N., and R. Rodr?guez-K?bana. 1994. Changes in Populations of Soil Microorganisms, Nematodes, and Enzyme Activity Associated with Application of Powdered Pine Bark. Plant and Soil 162:169-175.

Patents

Rodr?guez-K?bana, R., and N. Kokalis-Burelle. 1998. Use of polymeric films for delivery of biological agents and ecological evaluations. U. S. Patent Number 5,739,005.

Backman, P. A., R. Rodr?guez-K?bana, and N. M. Kokalis. 1994. Method of Controlling Foliar Microorganism Populations. United States Patent Number 5,288,488.

Cooperative Research and Development Agreements (CRADAs)

Efficacy and Mode of Action of Plantrpro 45 as an Alternative to Methyl Bromide for Control of Soilborne Pathogens of Vegetables in Florida. 1999-2002. CRADA No. 58-3K95-9-739 USDA, ARS Agreement with Ajay North America, LLC, Powder Springs, GA.

Field Evaluation of Amended Transplant Mixes and Soil Solarization for Control of Soilborne Pathogens in Tomato and Pepper. 1998-2002. CRADA No. 58-3K95-8-640 USDA-ARS Agreement with Gustafson LLC, Plano TX.