关键词: 芝麻, 耐渍基因型, 厌氧适应

Abstract: The Neolithic remains in Guanzhong Area cover three stages: Laoguantai,Yangshao and Longshan. Basing himself on a grouping of the farm tools unearthed and taking into consideration of their different features and numbers under different geographic environments, the author studied the relationship between geographic environment and productive activities of the Neolithic people.

Key words: Sesamum indicum, Flood-tolerant genotype, Anoxia adaptation