Coetzee, G., I.J. Marx, M. Pengilly, V.S. Bushula, E. Joubert, and M. Bloom. “Effect of Rooibos and Honeybush Tea Extracts Against Botrytis Cinerea”. South African Journal of Enology and Viticulture 29, no. 1 (December 13, 2016): 33–38. Accessed March 10, 2026. https://www.journals.ac.za/index.php/sajev/article/view/1449.