Hoyo, Y., K. Fujiwara, and Y. Hoshino. “Effects of Different Wavelengths of LED Light on Pollen Germination and Direction of Pollen Tube Elongation in Cyrtanthus Mackenii”. Advances in Horticultural Science 28, no. 4 (December 31, 2014): 190–194. Accessed August 28, 2025. https://oaj.fupress.net/index.php/ahs/article/view/18442.