Delvadia, D.V. et al. 2009. Effect of Different GA3 Concentration and Frequency on Growth, Flowering and Yield in Gaillardia (Gaillardia pulchella Foug.) Cv. Lorenziana. Journal of Horticultural Sciences. 4, 1 (Jun. 2009), 81–84. DOI:https://doi.org/10.24154/jhs.v4i1.564.