Padmini, K, R Veere Gowda, and L B Naik. “Studies on Parental Synchronization in Flowering for Hybrid Seed Production in Onion (Allium Cepa L.)”. Journal of Horticultural Sciences 2, no. 1 (June 30, 2007): 47-49. Accessed April 11, 2021. https://jhs.iihr.res.in/index.php/jhs/article/view/637.