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                    U.S. DEPARTMENT OF AGRICULTURE
 Sustainable Perennial Crops Laboratory: Beltsville, MD
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ARS Home Northeast Area Beltsville, Maryland (BARC) Beltsville Agricultural Research Center Sustainable Perennial Crops Laboratory People & Locations







Marshall  Elson
                        Sustainable Perennial Crops Laboratory

                        




                        
                        Biological Science Lab Technician
                        Phone: (301) 504-6223
                        
                        
                        Fax: (301) 504-1998(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            **Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Carbon dioxide concentration and light levels on growth and mineral nutrition of juvenile cacao genotypes

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., Almeida, A., Araujo, D., Ahnert, D., He, Z. 2021. Carbon dioxide concentration and light levels on growth and mineral nutrition of juvenile cacao genotypes. American Journal of Plant Sciences. 12:818-839.The impact of ambient and elevated [CO2] and low to adequate photosynthetic photon flux density on growth, physiology and nutrient use efficiency of juvenile cacao genotypes
                                                        

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., Almeida, A., Araujo, Q.R., Ahnert, D., He, Z. 2021. The impact of ambient and elevated [CO2] and low to adequate photosynthetic photon flux density on growth, physiology and nutrient use efficiency of juvenile cacao genotypes. Agronomy. https://doi.org/10.3390/agronomy11020397.Impact of ambient and elevated [co2] in low light levels on growth, physiology and nutrient uptake of tropical perennial legume cover crops
                                                        

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., He, Z., Li, Y., Paiva, A.D., Almeida, A.A., Ahnert, D. 2021. Impact of ambient and elevated [co2] in low light levels on growth, physiology and nutrient uptake of tropical perennial legume cover crops. Plants. https://doi.org/10.3390/plants10020193.Light intensity effects on growth, physiological and nutritional parameters of tropical perennial legume cover crops
                                                        

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., He, Z., Li, Y., Paiva, A.D., Ahnert, D., Almeida, A.F. 2020. Light intensity effects on growth, physiological and nutritional parameters of tropical perennial legume cover crops. Agronomy. https://doi.org/10.3390/agronomy10101515.Growth, physiological and nutrient uptake traits of Crotalaria cover crops influenced by levels of carbon dioxide under low light Intensities

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., He, Z.L., Li, Y.C., Paiva, A.D., Ahnert, D. 2018. Growth, physiological and nutrient uptake traits of Crotalaria cover crops influenced by levels of carbon dioxide under low light Intensities. International Journal of Plant Sciences. 23(1):1-14.Impact of drought on morphological, physiological and nutrient use efficiency of elite cacao genotypes from Bahia-Brazil, Tarapoto-Peru and Puerto Rico-USA

- (Peer Reviewed Journal)Baligar, V.C., Almeida, A.A., Ahner, D., Pires, J.L., Arevalo-Gardini, Goenaga, R.J., He, Z., Elson, M.K. 2018. Impact of drought on morphological, physiological and nutrient use efficiency of elite cacao genotypes from Bahia-Brazil, Tarapoto-Peru and Puerto Rico-USA. Symposium Proceedings. 87:1-11.Impact of drought on morphological, physiological and nutrient use efficiency of elite Cacao genotypes from Bahia-Brazil, Tarapoto-Peru and Puerto Rico-USA

- (Abstract Only)Ambient and elevated carbon dioxide on growth, physiological and nutrient uptake parameters of perennial leguminous cover crops under low light intensities

- (Peer Reviewed Journal)Baligar, V.C., Elson, M.K., He, Z.L., Li, Y.C., Paiva, A.D., Ahnert, D., Fageria, N.K. 2017. Ambient and elevated carbon dioxide on growth, physiological and nutrient uptake parameters of perennial leguminous cover crops under low light intensities. International Journal of Plant and Soil Science. 15:1-16.Macro and micro nutrient uptake parameters and use efficiency in cacao genotypes influenced by deficient to excess levels of soil K
                                                        

- (Peer Reviewed Journal)Li, Y., Elson, M.K., Zhang, D., He, Z., Sicher  Jr, R.C., Baligar, V.C. 2015. Macro and micro nutrient uptake parameters and use efficiency in cacao genotypes influenced by deficient to excess levels of soil K. International Journal of Plant and Soil Science. 7:80-90.Iron sources effects on growth, physiological parameters and nutrition of cacao

- (Peer Reviewed Journal)Baligar, V.C., Sicher  Jr, R.C., Elson, M.K., He, Z., Fageria, N.K., De Souza, J.J., Almeida, A.F., Ahnert, D. 2015. Iron sources effects on growth, physiological parameters and nutrition of cacao. Journal of Plant Nutrition. 38:1787-1802.Zinc requirements of tropical legume cover crops
                                                        

- (Peer Reviewed Journal)Fageria, N.K., Baligar, V.C., Elson, M.K. 2014. Zinc requirements of tropical legume cover crops. American Journal of Plant Sciences. 5:1721-1732.Physiological traits and metabolites of cacao seedlings influenced by potassium in growth medium
                                                        

- (Peer Reviewed Journal)Li, Y., Elson, M.K., Zhang, D., Sicher, Jr., R.C., Hang, L., Meinhardt, L.W., Baligar, V.C. 2013. Physiological traits and metabolites of cacao seedlings influenced by potassium in growth medium. American Journal of Plant Sciences. 4:1074-1080.Photosynthetic photon flux density, carbon dioxide concentration and temperature influence photosynthesis in crotalaria species

- (Peer Reviewed Journal)Baligar, V.C., Bunce, J.A., Elson, M.K., Fageria, N.K. 2012. Photosynthetic photon flux density, carbon dioxide concentration and temperature influence photosynthesis in crotalaria species. The Open Plant Science Journal. 6:1-7.Photosynthesis in tropical cover crop legumes influenced by irradiance, external carbon dioxide concentration and temperature

- (Peer Reviewed Journal)Baligar, V.C., Bunce, J.A., Elson, M.K., Fageria, N.K. 2010. Photosynthesis in tropical cover crop legumes influenced by irradiance, external carbon dioxide concentration and temperature. Tropical Grasslands. 44:24-32.Photosynthetic photon flux density, carbon dioxide concentration, and vapor pressure deficit effects on photosynthesis in cacao seedlings

- (Peer Reviewed Journal)Baligar, V.C., Bunce, J.A., Machado, R.R., Elson, M.K. 2008. Photosynthetic photon flux density, carbon dioxide concentration, and vapor pressure deficit effects on photosynthesis in cacao seedlings. Photosynthetica. 46:216-221.SELECTION OF MICROORGANISMS FOR BIOLOGICAL CONTROL OF SILVER SCURF         (HELMINTHOSPORIUM SOLANI) IN POTATOES

- (Peer Reviewed Journal)INFLUENCE OF PATHOGEN STRAIN AND TUBER CONDITION ON BIOLOGICAL CONTROL OF  HELMINTHOSPORIUM SOLANI IN POTATOES

- (Abstract Only)SELECTION OF MICROORGANISMS FOR BIOLOGICAL CONTROL OF SILVER SCURF         (HELMINTHOSPORIUM SOLANI) IN POTATOES

- (Abstract Only)


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