References
- Ayala, J., A. M. Castillo, M. T. Colinas, and J. Pineda. 2005. Effect of foliar application of calcium, boron, and molybdenum in nutrient content of poinsettia plants. HortScience 40: 1086.
- Bettiol, W. 1999. Effectiveness of cow's milk against zucchini squash powdery mildew (Sphaerotheca fuliginea) in greenhouse conditions. Crop Protection 18: 489–492.
- Bierman, P. M., C. J. Rosen, and H. F. Wilkins. 1990. Leaf edge burn and axillary shoot growth of vegetative poinsettia plants: Influence of calcium, nitrogen form, and molybdenum. Journal of the American Society for Horticultural Science 115: 73–78.
- Bonomelli, C., and R. Ruiz. 2010. Effects of foliar and soil calcium application on yield and quality of table grape cv. ‘Thompson Seedless'. Journal of Plant Nutrition 33: 299–314.
- Carlson, W. H., and K. C. Sink. 1967. The effect of soil mixes on poinsettia variety Paul Mikkelson. Quarterly Bulletin Michigan Agriculture Experiment Station 50: 20–24.
- Ecke, P., J. Faust, A. Higgins, and J. Williams. 2004. The Ecke Poinsettia Manual. Batavia, IL: Ball Publishing.
- Ecke, P., Jr., O. A. Matkin, and D. E. Hartley. 1990. The Poinsettia Manual. Encinitas, CA: Paul Ecke Poinsettias.
- Fageria, N. K., M. P. Barbosa Filho, A. Moreira, and C. M. Guimarães. 2009. Foliar fertilization of crop plants. Journal of Plant Nutrition 32: 1044–1064.
- Ferrandino, F. J., and V. L. Smith. 2007. The effect of milk-based foliar sprays on yield components of field pumpkins with powdery mildew. Crop Protection 26: 657–663.
- Haug, A., and V. Vitorello. 1996. Aluminum coordination to calmodulin: Thermodynamic and kinetic aspects. Coordination Chemistry Reviews 149: 113–124.
- Holt, C., S. S. Hasnain, and D. W. L. Hukins. 1982. Structure of bovine milk calcium phosphate determined by x-ray absorption spectroscopy. Biochimica et Biophysica Acta 719: 299–303.
- Jacques, D. J., R. E. J. Boerner, and J. C. Peterson. 1991. The effect of calcium spray on leaf and bract distortion, bound:unbound calcium ratio, and calcium distribution in two poinsettia cultivars. Journal of Plant Nutrition 14: 637–652.
- John, R., N. Christians, and H. Taber. 2003. Supplemental Ca applications to creeping bentgrass established on calcareous sand. Crop Science 43: 967–972.
- Marschner, H. 1995. Mineral Nutrition of Higher Plants. San Diego, CA: Academic Press.
- McFarlane, J. C., and W. L. Berry. 1974. Cation penetration through isolated leaf cuticles. Plant Physiology 53: 723–727.
- Nell, T. A., and J. E. Barrett. 1986. Growth and incidence of bract necrosis in ‘Gutbier V-14 Glory’ poinsettia. Journal of the American Society for Horticultural Science 111: 266–269.
- Neville, M. C. 2005. Calcium secretion into milk. Journal Mammary Gland Biology and Neoplasia 10: 119–128.
- Plank, C. O. 1999. Plant Analysis Handbook for Georgia. Available at: http://aesl.ces.uga.edu/docbase/publications/plant/plant.html (accessed 3 January 2012).
- Robichaux, M. B. 2008. The effect of calcium or silicon on potted miniature roses or poinsettias. M.Sc. Thesis, Louisiana State University, Baton Rouge, Louisiana, USA.
- Strømme, E., A. R. Selmer-Olsen, H. R. Gislerød, and R. Moe. 1994. Cultivar differences in nutrient absorption and susceptibility to bract necrosis in poinsettia. Gartenbauwiss 59: 6–12.
- Taylor, M. D., and S. J. Locascio. 2004. Blossom-end rot: a calcium deficiency. Journal of Plant Nutrition 27: 123–139.
- Walker, C. D., R. D. Graham, J. T. Madison, E. E. Cary, and R. M. Welch. 1985. Effects of Ni deficiency on some nitrogen metabolites in cowpeas (Vigna unguiculata L. Walp). Plant Physiology 79: 474–479.
- Wissemeier, A. H. 1993. Marginal bract necrosis in poinsettia cultivars and the relationship to bract calcium nutrition. Gartenbauwiss 58: 158–163.
- Wissemeier, A. H., and S. Marienfeld. 1998. Poinsettia (Euphorbia pulcherrima Willd. Ex Klotzsch) bracts: Disadvantaged organs with respect to calcium nutrition. Angewandte Botanik 72: 1–6.
- Woltz, S. S., and B. K. Harbaugh. 1985. Effect of nutritional balance on bract and foliar necroses of poinsettia. Proceedings of the Florida State Horticultural Society 98: 122–123.
- Woltz, S. S., and B. K. Harbaugh. 1986. Calcium deficiency as the basic cause of marginal bract necrosis of ‘Gutbier V-14 Glory’ poinsettia. HortScience 21: 1403–1404.