群馬県安中市注連引原II・大上遺跡における植物利用 : レプリカ法による弥生前・中期土器の検討

Abstract

This study aimes to elucidate plant use in the first half of the Yayoi Culture through the examinations of clay vessels from Northern Kanto Plain, Japan. We examined 257 potsherds from the Shimehikihara II site and 125 pottery fragments from the Okami site using the replication method. As a result of scanning electron microscopy observations of positive silicon models of the impressions on potsherds, we found five seeds of foxtail millet (Setaria italica), two seeds of broomcom millet (Panicum miliaceum), a Setaria seed, and an indetenninate millet grain (foxtail or broomcom millet). This study confirms the current understanding that grass cultigens came into use from the very final stage of the Final Jomon in this region, and the main crop was millet, not rice, during the first half of th