@article{barker_mccall_whipker_2016, title={Growth control of 'Imperial Dark Blue' Plumbago with ethephon, flurprimidol, and paclobutrazol substrate drenches}, volume={26}, number={4}, journal={HortTechnology}, author={Barker, A. and McCall, I. and Whipker, B. E.}, year={2016}, pages={493–496} }