Kopta, T., Antal, M., Jurica, M., Volkova, J. and Pokluda, R. 2017. The Influence of synthetic strigolactones and plant extracts on the morphological parameters of onion (Allium cepa). Advances in Horticultural Science. 31, 4 (Jun. 2017), 235–240. DOI:https://doi.org/10.13128/ahs-20517.