Long-term Exposure of Mother Plants to Low Temperatures Delays Flowering of Japanese Autumn-flowering Chrysanthemum morifolium Ramat. 'Jinba' and 'Seiko no Aki' Kunitake, T.; Tanigawa, T.; Matsuno, T.; Yamada, A.; Suyama, T. Journal of the Japanese Society for Horticultural Science 78(2): 224-230 2009 1882-3351 https://eurekamag.com/research/070/611/070611458.php