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Grapevine herbaceous cutting growth and development in a hydroponic tube over time (i.e., weeks after diving an unrooted cutting into water). Cap-free Falcon® tubes filled with water were closed on top by a piece of holed Parafilm®, through which an unrooted cutting was placed. Tubes were held vertically on an empty seed starting tray. The four pictures show the development of the root system for 4 weeks (1 image per week).
