grain morphometrics (Other Keyword)

DOCUMENT Citation Only John Marston. Emily Ubik.

Free-threshing wheat (Triticum aestivum and T. durum) and barley (Hordeum vulgare) were staple cereal crops in the ancient Near East. Although modern varietals of these species have significant variation in growing times, water requirements, and grain yields, few studies have distinguished varietals in the past. Traditional approaches have used grain seed size and shape to identify different crop varieties. These coarse metrics, including length:breadth and thickness:breadth ratios, give only a...