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United States Department of Agriculture

Agricultural Research Service

Related Topics

Richard W Zobel
Plant Science Research
Plant Physiology

Phone: (919) 515-3505
Fax: (919) 856-4712

3127 LIGON STREET
LAB 3
RALEIGH , NC 27695

Projects
Strategies to Predict and Mitigate the Impacts of Climate Variability on Soil, Plant, Animal, and Environmental Interactions
Appropriated (D)
  Accession Number: 429443

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Fine Roots – functional definition expanded to crop species -
Arabidopsis: an adequate model for dicot root systems? -
Zobel, R.W. 2016. Arabidopsis: an adequate model for dicot root systems?. Frontiers in Plant Science. 7:58.
Response of forage chicory seedlings to available soil phosphorus in two soils in a controlled environment -
Cassida, K.A., Foster, J.G., Gonzalez, J.M., Zobel, R.W., Sanderson, M.A. 2013. Response of forage chicory seedlings to available soil phosphorus in two soils in a controlled environment. Communications in Soil Science and Plant Analysis. 44:1992-2007.
Lolium pereene L. root systems are a collection of Gaussian curve shaped meso diameter class length distributions -
Zobel, R.W. 2012. Lolium pereene L. root systems are a collection of Gaussian curve shaped meso diameter class length distributions. Plant and Soil. DOI:10.1007/s11104-012-1298-0.
Available soil phosphorus affects herbage yield and stand persistence in forage chicory -
Cassida, K.A., Foster, J.G., Gonzalez, J.M., Zobel, R.W., Sanderson, M.A. 2012. Available soil phosphorus affects herbage yield and stand persistence in forage chicory. Agronomy Journal. 104:807-816.
Inherent agricultural constraints in Allegheny Plateau soils -
Zobel, R.W. 2012. Inherent agricultural constraints in Allegheny Plateau soils. Agronomy Journal. 104:493-496.
Inherent agricultural constraints in Allegheny Plateau soils -
Zobel, R.W. 2012. Inherent agricultural constraints in Allegheny Plateau soils. Agronomy Journal. 104:493-496.
Morphological response of forage chicory fine roots to manipulated soil phosphorus levels -
Zobel, R.W., Cassida, K.A., Kinraide, T.B., Gonzalez, J.L., Foster, J.G. 2013. Morphological response of forage chicory fine roots to manipulated soil phosphorus levels. Journal of Plant Nutrition. 36:1901-1914.
Using soil E horizon in salvaged topsoil material - effect on soil texture -
Hass, A., Zobel, R.W. 2011. Using soil E horizon in salvaged topsoil material - effect on soil texture. Soil Use and Management. DOI: 10.111/j.1475-2743.2011.00361.x.
A developmental genetic basis for defining root classes -
Zobel, R.W. 2011. A developmental genetic basis for defining root classes. Crop Science. 51:1410-1413.
Modeling Lolium perenne L. roots in the presence of empirical black holes -
Reducing compaction effort and incorporating air permeability in Proctor testing for design of urban green spaces on cohesive soils -
Ibrahim, A.M., Persaud, N., Zobel, R.W., Hass, A. 2010. Reducing compaction effort and incorporating air permeability in Proctor testing for design of urban green spaces on cohesive soils. Journal of Soil Science and Environmental Management. 1(1):021-029.
A PLANT ROOT SYSTEM ARCHITECTURAL TAXONOMY: A FRAMEWORK FOR ROOT NOMENCLATURE -
Zobel, R.W., Waisel, Y. 2010. A PLANT ROOT SYSTEM ARCHITECTURAL TAXONOMY: A FRAMEWORK FOR ROOT NOMENCLATURE. Plant Biosystems. 144(2):507-512.
Evaluation of Native Warm-Season Grass Cultivars for Riparian Zones -
Skinner, R.H., Zobel, R.W., van der Grinten, M., Skaradek, W. 2009. Evaluation of native warm-season grass cultivars for riparian zones. Journal of Soil and Water Conservation. 64:413-422.
Hardware and software efficacy in assessment of fine root diameter distributions -
Zobel, R.W. 2008. Hardware and software efficacy in assessment of fine root diameter distributions. Computers and Electronics in Agriculture. 60:178-189.
YEILD NUTRIENT UPTAKE AND SOIL CHEMICAL PROPERTIES AS INFLUENCED BY LIMING AND BORON APPLICATION IN COMMON BEAN IN NOTILAGE SYSTEM -
Fageria, N.K., Baligar, V.C., Zobel, R.W. 2007. Yeild nutrient uptake and soil chemical properties as influenced by liming and boron application in common bean in notilage system. Communications in Soil Science and Plant Analysis. 38:1-17.
Fine root diameters can change in response to changes in nutrient concentrations. -
Zobel, R.W., Baligar, V.C., Kinraide, T.B. 2007. Fine root diameters can change in response to changes in nutrient concentrations. Plant and Soil Journal. 297:243-254.
DO YOU KNOW WHAT CLASS YOUR ROOTS ARE IN? AND WHY IT MATTERS? -
Zobel, R.W. 2006. Do you know what class your roots are in? and why it matters?. 23rd Annual Missouri Symposium: Plant roots from genes to form and function. Columbia, MO. May 24-26, 2006. Abstracts volume.
Differential root morphology response to no versus high phosphorus, in three hydroponically grown forage chicory cultivars -
Zobel, R.W., Alloush, G., Belesky, D.P. 2006. Differential root morphology response to no versus high phosphorus, in three hydroponically grown forage chicory cultivars. Environmental and Experimental Botany. 57:201-208.
Differential Root Morphology Response to No versus High Phosphorus, in Three Hydroponically Grown Forage Chicory Cultivars -
Zobel, R.W., Alloush, G.A., Belesky, D.P. 2006. Differential Root Morphology Response to No versus High Phosphorus, in Three Hydroponically Grown Forage Chicory Cultivars. Environmental and Experimental Botany. 57(1-2):201-208.
A COMPARISON OF 3 COMPUTER BASED ROOT DIAMETER MEASUREMENT SYSTEMS – EFFICACY WITH DIAMETERS LESS THAN 0.5 MM -
Zobel, R.W. 2005. A comparison of 3 computer based root diameter measurement systems – efficacy with diameters less than 0.5 mm. American Society of Agronomy Annual Meetings, Salt Lake City, UT. November 6-10, 2005. Abstracts CD.
FINE ROOT (< 0.5 MM DIAMETER) ADAPTATION TO NUTRIENT STRESS -
Zobel, R.W. 2005. Fine root (< 0.5 mm diameter) adaptation to nutrient stress. American Society of Agronomy Annual Meetings. Salt Lake City, UT. November 6-10, 2005. Abstracts CD.
ORGANIC ACID SECRETION AS A MECHANISM OF ALUMINUM TOLERANCE. A MODEL INCORPORATING THE ROOT CORTEX, EPIDERMIS, AND THE EXTERNAL UNSTIRRED LAYER -
Kinraide, T.B., Parker, D.R., Zobel, R.W. 2005. Organic acid secretion as a mechanism of aluminum tolerance. A model incorporating the root cortex, epidermis, and the external unstirred layer. Journal of Experimental Botany, 56:1853-1865.
RESPONSE OF MYCORRHIZAL SWITCHGRASS TO PHOSPHORUS FRACTIONS IN ACID SOIL -
Clark, R.B., Baligar, V.C., Zobel, R.W. 2005. Response of mycorrhizal switchgrass to phosphorus fractions in acid soil. Communications in Soil Science and Plant Analysis. 36(9-10): 1337-1359.
PRIMARY AND SECONDARY ROOT SYSTEMS -
Zobel, R.W. 2005. Primary and Secondary Root Systems. In: Zobel, R.W. and Wright S.A. American Society of Agronomy Monograph Series 48. Agronomy Society of America, Madison, WI, p. 3-14.
TERTIARY ROOT SYSTEMS -
Zobel, R.W. 2005. Tertiary Root Systems. In: Zobel, R.W. and Wright, S.A. American Society of Agronomy Monograph Series 48. Agronomy Society of America, Madison, Wisconsin. p 35-56.
NUTRIENT FILM TECHNIQUE TO EVALUATE CLIPPING HEIGHT EFFECTS ON ORCHARDGRASS SHOOT BIOMASS PRODUCTION AND ROOT DYNAMICS -
Ritchey, K.D., Zobel, R.W., Snuffer, J.D. 2004. Nutrient film technique to evaluate clipping height effects on orchardgrass shoot biomass production and root dynamics. The 2004 Conference of the American Forage and Grasslands Council Conference Proceedings, June 12-16, 2004, Roanoke VA. Vol 13, pp 424-428.
AERENCHYMA DEVELOPMENT IN NATIVE WARM-SEASON GRASS CULTIVARS FOR ESSTABLISHING BUFFERS ALONG GRAZING LAND RIPARIAN CORRIDORS -
Zobel, R.W., Skinner, R.H., Skaradek, W. 2004. Aerenchyma development in native warm-season grass cultivars for esstablishing buffers along grazing land riparian corridors. Proceedings of the National Conference on Grazing Lands [CD-ROM].
FINE-ROOTS OF PLANTS - A REVISIONIST'S PERSPECTIVE -
Zobel, R.W. 2003. Fine-roots of plants - a revisionist's perspective. New Phytologist.
AERENCHYMA DEVELOPMENT IN NATIVE WARM-SEASON GRASS CULTIVARS -
Skinner, R.H., Zobel, R.W., Skaradek, W. 2004. Aerenchyma development in native warm-season grass cultivars. Proceedings of the 3rd. Eastern Native Grass Symposium. p. 48-52.
ENVIRONMENTAL IMPACTS ON SESQUITERPENE LACTONE COMPOSITION OF FORAGE CHICORY -
FOSTER, J.G., BELESKY, D.P., ZOBEL, R.W., CLAPHAM, W.M., ALLOUSH, G.A., LABREVEUX, M.E., HALL, M.E., SANDERSON, M.A., SKINNER, R.H. ENVIRONMENTAL IMPACTS ON SESQUITERPENE LACTONE COMPOSITION OF FORAGE CHICORY. AMERICAN FORAGE AND GRASSLAND COUNCIL PROCEEDINGS. 2003. v. 12. p. 288-292.
SENSITIVITY ANALYSIS OF COMPUTER BASED DIAMETER MEASUREMENT FROM DIGITAL IMAGES -
ZOBEL, R.W. SENSITIVITY ANALYSIS OF COMPUTER BASED DIAMETER MEASUREMENT FROM DIGITAL IMAGES. CROP SCIENCE. 2003. V. 43. P. 583-591.
PLANT ROOTS, THE HIDDEN HALF -
ZOBEL, R.W. PLANT ROOTS: THE HIDDEN HALF. CROP SCIENCE. 2003. V. 43.
AERENCHYMA DEVELOPMENT IN NATIVE WARM-SEASON GRASS CULTIVARS -
SKINNER, R.H., ZOBEL, R.W., SKARADEK, W. AERENCHYMA DEVELOPMENT IN NATIVE WARM-SEASON GRASS CULTIVARS. MEETING ABSTRACT. 2002.
THE FORMATION OF ADVENTITIOUS ROOTS ON ROOT AXES IS A WIDESPREAD OCCURRENCE IN FIELD-GROWN DICOTYLEDONOUS PLANTS -
PAOLILLO, D., ZOBEL, R.W. THE FORMATION OF ADVENTITIOUS ROOTS ON ROOT AXES IS A WIDESPREAD OCCURRENCE IN FIELD-GROWN DICOTYLEDONOUS PLANTS. AMERICAN JOURNAL OF BOTANY. 2002. V. 89. P. 1361-1372.
IDENTIFYING MEGAENVIRONMENTS AND TARGETING GENOTYPES -
EASTERN GAMAGRASS (TRIPSACUM DACTYLOIDES) ROOT PENETRATION AND CHEMICAL PROPERTIES OF CLAYPAN SOILS -
RHIZOSPHERE CLIMATE (RHIZOCLIMATE) AND PLANT ROOT SYSTEMS: WE NEED A MORE SYSTEMATIC APPROACH -
GRAVITROPIC RESPONSES OF FIVE MAIZE HYBRID ROOTS TO TEMPERATURE -
GENETIC AND ENVIRONMENTAL ASPECTS OF SEEDLING STRESS -
A METHOD FOR STUDYING THE EFFECTS OF SOIL AGGREGRATE SIZE AND DENSITY -
ARS News Articles
Last Modified: 5/2/2016
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