Singh, Taranjit, and Madhu Bala. 2020. “Effect of Putrescine and Benzyl Adenine on Growth, Flowering and Post-Harvest Keeping Quality Parameters in Chrysanthemum (Chrysanthemum Morifolium Ramat.)”. Journal of Horticultural Sciences 15 (2): 191-96. https://doi.org/10.24154/jhs.v15i2.949.