Panicle removal delays plant senescence and enhances vegetative growth improving biomass production in switchgrass - Chunqiao Zhao; Yuesen Yue; Juying Wu; John Scullion; Qiang Guo; Qinghai Wang; Cui Li; Xiuyun Wan; Xincun Hou; Xifeng Fan (Biomass and Bioenergy, 2023)