Abstract: Systems and devices are provided for the handling and transport of plants, cuttings, tissue-cultured plantlets, and/or seeds. Said system comprising a prop-string having one or more prop-tubes affixed thereto and in alignment with the cells of a transplant liner tray. Plant, cuttings, tissue-cultured plantlets, or seeds are positioned within the prop-tubes for transport. Upon transplanting, the prop-tube with the plant, cutting, tissue-cultured plantlet, or seeds therein are positioned within transplant liner tray cells. The prop-tubes will not interfere with rooting or growth of the plant and can be biodegradable or an inert material. Said system facilitates the simultaneous transplant of multiple plants, cuttings, tissue-cultured plantlets, or seeds.