US National Arboretum

 


Floral and Nursery Plants Research Unit

Dr. Donna Fare

Research Horticulturist
{McMinnville, TN}

e-mail: Donna.Fare@ars.usda.gov

yellow magnolia April Remembered Camelliasugar maple

PROJECT PLAN TITLES:  
Genetics, Breeding, and Improved Production Efficiency of Nursery Crops

INTRODUCTION:  
Conducts a research program in nursery crop production with emphasis on: identifying plant physiological constraints with nursery crops, developing improved production methods with field and container systems, and evaluate germplasm of ornamental trees and shrubs for landscape value.

PROGRESS:  
The ornamental nursery industry is a highly diverse industry that is impacted by consumer preferences, production methods, and environmental concerns.  The goals of this research project are to maintain the growth and profitability of this important and diverse nursery industry, especially in the middle Tennessee area; protect natural resources; develop new woody ornamental cultivars; and to improve nursery crop production practices for enhanced profitability.  Production strategies that will reduce labor input, shorten the production period, and improve environmental impacts with respect to water, nutrients, and pesticides will be evaluated and optimized.  New selections of priority plants, or improved, underutilized ornamental plants that are pest-resistant, tolerant to environmental stresses, and have desirable aesthetic traits that enhance the marketing edge and offer superior landscape materials to consumers will be developed.

PLANS:   
Investigate factors that affect ornamental nursery stock production and sustainability in three main areas.  One area is to investigate physiological complexities associated with transplanting nursery crops and root system architecture for better adaptation and application to diverse productionsystems; second, develop improved nursery production systems with an integrated approach toward water and nutrient use and cultural management strategies; and third, is to evaluate landscape plants for ornamental merit, disease and insect resistance, and stress tolerance that will aid in superior clonal selections to growers and consumers.

RECENT PUBLICATIONS:

2014. Fare, D.C.  Effects of root scoring on container-grown maple and oak.  J. Environ. Hort. 32:208-214.

2014. Fare, D.C.  Irrigation timing and volume affects growth of container grown maples. Proc. Southern Nursery Assoc. Res. Conf.  59: 11-17.

2013.  Fare, D.C.  Propagation container and timing of propagation affects growth and quality of oak seedlings. J. Environ. Hort. 31:43-48.

2013. Fare, D.C.  Fertilizer rates, container size and sun exposure affect growth of container-grown dogwoods.  Proc. Southern Nursery Assoc. Res. Conf.  58: 28-36.

2012.  Fare, D.C.  Evaluation of spectral light management on growth of container-grown willow oak, nuttall oak and summer red maple.  J. Environ. Hort. 30:8-12.

2012. Fare, D.C.  The feather pot: A keratin-based nursery container. Proc. Southern Nursery Assoc. Res. Conf.  57: 16-22.

2012. Fare, D.C.  Performance of yellow flowering magnolias in Tennessee. Proc. Southern Nursery Assoc. Res. Conf.  57: 190-196.

2011.  Fare, D.C.  A comprehensive evaluation of yellow-flowering magnolias.  Magnolia. 90:13-29. 

2011. Fare, D.C.  Does potting depth of container grown maples affect landscape performanceProc. Southern Nursery Assoc. Res. Conf.  56:336-340.   

2010.  Pounders, C.T., E.K. Blythe, D.C. Fare, G.W. Knox, and J.L. Sibley.  Crapemyrtle genotype × environment interactions and trait stability for plant height, leaf-out, and flowering.  HortScience 45:198-207.

2010.  Oliver, J.B., D. C Fare, N. Youssef, S.S. Scholl, M.E. Reding, C.M. Ranger, J.J. Moyseenko and M.A. Halcomb.  Evaluation of a single application of neonicotinoid and multi-application contact insecticides for flatheaded borer management in field grown Acer rubrum L. cultivars.  J. Environ. Hort. 28:135-149.

2010.  Fare, D.C and M.A. Halcomb.  Hail damage recovery on ornamental trees.  Proc. Southern Nursery Assoc. Res. Conf.  55:142-148.

2010.  Oliver, J.B., D.C. Fare, N. Youssef, S.S. Scholl, M.E. Reding, C.M. Ranger, J.J. Moyseenko and M.A. Halcomb.  Evaluation of insecticides for flatheaded borer management in field-grown red and sugar maples.  Proc. Southern Nursery Assoc. Res. Conf.  55:253-258.

2009.  Li, Y.H., R.N. Trigiano, M.T. Windham, L.T. Vito, D.C. Fare, J.M. Spiers, and W.E. Copes.  Inhibition of urediniospore germination in Puccinina hemerocallidis by Bacto Agar and changes in percent germination and germ-tube elongation on agarose over time.  Can. J. Plant Pathol.  31:163-168.

2009.  Oliver, J.B., D.C. Fare, N. Youssef, M.A. Halcomb, M.E. Reding, and C.M. Ranger.  Evaluation of systemic insecticides for potato leafhopper control in field-grown red maple.  J. of Environ. Hort. 27(1):17-23.

2009. Oliver, J.B., D.C. Fare, C.M. Ranger, N. Youssef, S. Scholl, M.A. Halcomb, M.E. Reding, and J.J. Moyseenko.  Leafhopper control in field-grown red maples with systemic insecticides.  Proc. Southern Nursery Assoc. Res. Conf. 54:158-162.

2009. Scholl, S.S. and D.C. Fare.  Fertilizer and potting time impacts growth of containerized oak liners.  Proc. Southern Nursery Assoc. Res. Conf. 54:180-185.

2008.  Bush, E., W. Dunwell, D. Ingram, A. Owings, G. Blythe, W. Klingaman, D. Fare, C. Pounders, A. Niemiera, J. Nowak, J. Robbins, J. Lindstrom, J. Ruter, G. Knox, M. Scheiber, A. LeBude, T. Ranney, M. Arnold and T. West.  A historical summary of plant material evaluations by SERA-IEG 27.  Proc. Southern Nursery Assoc. Res. Conf.  53:156-158.

2008.  Scholl, S.S. and D.C. Fare.  Root scoring of container-grown maples and oaks.  Proc. Southern Nursery Assoc. Res. Conf. 53:63-67.

2008. Scholl, S.S. and D.C. Fare.  Performance of cold hardy camellias in Tennessee.  Proc. Southern Nursery Assoc. Res. Conf. 53:419-424.

2007.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Evaluation for resistance to powdery mildew in Cornus species and hybrids using a leaf disk assay.  J. Environ. Hort.  25:131-133.

2007.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Microscopic and macroscopic studies of the development of Puccinia hemerocallidis in resistant and susceptible daylily cultivars.  Plant Disease 91:664-668.

2006.  Fare, D.C.  Container size and initial trunk diameter effects growth of Acer rubrum L. during production.  J. Environ. Hort. 24:18-22.

2006.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.    Development of Erysiphe pulchra, the causal agent of powdery mildew, on susceptible and resistant flowering dogwood leaf disks. Canadian J. of Plant Path.  28:71-76.

2006.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.   Microscopic and macroscopic studies on resistance responses to daylily rust.  Proc of the Southern Nursery Assoc. Res. Conf. 51:234-238.

2006.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Epidemiology of powdery mildew on resistant and susceptible flowering dogwood cultivars.  Proc of the Southern Nursery Assoc. Res. Conf. 51:239-243.

2006.  Windham, M.T., D.C. Fare, C. Pounders, and L. Vito.  Success of Encore Azaleas in the Mid South. Proc of the Southern Nursery Assoc. Res. Conf. 51:471-472.

2006.  Yeager, Tom, Ted Bilderback, Donna Fare, and Charles GilliamBest Management Practices: Guide for Producing Nursery Crops.  2nd ed. Southern Nursery Association, Atlanta, GA.

2005. Fare, D.C., G.J. Keever, and M. Halcomb.  NAA Reduces Vegetative Shoot Growth on Rootstocks of Ornamental Peach.  J. of Environ. Hort.  23:163-166.

2005. Fare, D.C., P. Knight, C.H. Gilliam, and J.E. Altland.  Weed control for pot-in-pot production using preemergence herbicides.  J. of Environ. Hort. 23(4):204-211.

2005.  Fare, D.C. Fertilizer source affects nitrogen and phosphorus levels in leachate from container grown Quercus phellos L. and Magnolia virginiana L. HortScience 40(4):1048-1049.

2005.  Fare, D.C.  Nitrogen and phosphorus levels in leachate from container-grown willow oak and sweetbay magnolia.  Proc. of SNA Res. Conf. 50:39-43.

2005.  Fare, D.C.  Redbud germination affected by seed treatment.  Proc. of SNA Res. Conf. 50:401-403.

2005. Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Spore germination, infection structure formation and colony development of Erysiphe pulchra on dogwood leaves and glass slides.  Plant Disease 89(12):1301-1304.

2005.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Development of powdery mildew on resistant and susceptible dogwood cultivars.  Proc. of SNA Res. Conf. 50:247-250.

2005.  Li, Y.H., M.T. Windham, R.N. Trigiano, D.C. Fare, J.M. Spiers, and W.E. Copes.  Resistance of daylily cultivars to rust.  Proc. of SNA Res. Conf. 50:275-277.


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