 Theophrastus also detailed the practice of using suckering and plant cuttings for new vineyard plantings.The Greeks also employed vine training with stacked plants for easier cultivation and harvesting, rather than let the grapevines grow untrained in bushes or up trees.While ampelographers have been unable to identify the exact ancestry of any current "Vitis vinifera" grape variety among those grown by the ancient Greeks, several—e.g.