BBR 1 – No. 1 of Blossom Bud Restrainer

BBR 1 – No. 1 of Blossom Bud Restrainer is a fictional promo-video for a plant hormone developed by scientists at the Beijing Institute of Landscape Architecture in 2014. Its major effect is to restrain the growth of blossom buds of poplar trees so that poplar catkins can be controlled.