Area of Expertise: I have research interests in chemical ecology (the role natural chemistry plays in ecological interactions), plant natural products & biochemistry; soils and soil chemistry; environmental chemistry; bogs; and science-theology-philosophy interactions.
Brown, P.D. and M.J. Morra. 2009. Inhibition of nitrification in soil by Brassicaceae tissues. J. Agric. Food Chem., 57:7706-7711.
Bainard, L., P.D. Brown, and M. Upadhyaya. 2009. Inhibitory effect of tall hedge mustard (Sisymbrium loeselii) allelochemicals on rangeland plants and arbuscular mycorrhizal fungi. Weed Science, 57:386-393.
Haugen, R., L. Steffes, J. Wolf, P. Brown, S. Matzner, and D.H. Siemens. 2008. Evolution of drought tolerance and defense: dependence of tradeoffs on mechanism, environment and defense switching. Oikos, 117:231-244.
Boege, K., R. Dirzo, D. Siemens, and P. Brown. 2007. Ontogenetic switches from plant resistance to tolerance: Minimizing costs with age? Ecology Letters, 10:177-187.
Jones, T., S. Kulseth, M. Zehfus, P. Brown, and D. H. Siemens. 2006. Simultaneous evolution of competitiveness and defense: induced switching in Arabis drummondii. Plant Ecology, 184 (2): 245-257.
Brown, P.D., J.G. Tokuhisa, M. Reichelt, and J. Gershenzon. 2003. Variation of glucosinolate accumulation among different organs and developmental stages of Arabidopsis thaliana. Phytochemistry, 62:471-481.
Reichelt, M, P.D. Brown, B. Schneider, N.J. Oldham, E. Stauber, J. Tokuhisa, D.J. Kleibenstein, T. Mitchell-Olds, J. Gershenzon. 2002. Benzoic acid glucosinolate esters and other glucosinolates from Arabidopsis thaliana. Phytochemistry, 59:663-671 .
Kliebenstein, D. J., J. Kroymann, P. Brown, A. Figuth, D. Pedersen, J. Gershenzon, and T. Mitchell-Olds. 2001. Genetic control of natural variation in Arabidopsis glucosinolate accumulation. Plant Physiology, 126: 811-825.
Morra, M.J., S.E. Fendorf, and P.D. Brown. 1997. Sulfur oxidation states in humic and fulvic acids determined using X-ray absorption near-edge spectroscopy. Geochim. Cosmochim. Acta. 61:683-688.
Brown, P.D. and M.J. Morra. 1995. Glucosinolate-containing plant tissues as bioherbicides. J. Agric. Food Chem. 43:3070-3074.
Brown, P.D., M.J. Morra, J.P. McCaffrey, D.L. Auld, and L. Williams III. 1991. Allelochemicals produced during glucosinolate degradation in soil. J. Chem. Ecol. 17:2021-2034.