Effectiveness of sources and doses of silicon for growth, photosynthetic pigments and cardenolide content in Digitalis mariana Boiss subsp. Heywoodii in vitro. RSD [Internet]. 2023 Jan. 20 [cited 2025 Dec. 5];12(2):e5412239719. Available from: https://rsdjournal.org/rsd/article/view/39719