Fig. 5.

Cell cycle time (h) and the duration of S-phase (h) in root apical meristems of ten diploid and five polyploid monocots. Key: 1, Oryza sativa; 2, Eragrostis tef; 3, Sorghum bicolor; 4, Zea mays; 5, Pennisetum americanum; 6, Aegilops umbellulata; 7, Hordeum vulgare; 8, Triticum monococcum; 9, Secale cereale ‘Dominant’; 10, Triticum aestivum; 11, Triticosecale ‘T7’; 12, Tulipa kaufmanniana; 13, Secale cereale ‘UC 90’; 14, Triticum turgidum ‘Cocorit’; 15, “Triticosecale ‘Cocorit’” UC 90. y = 1·69x + 3·31 (n = 15, P < 0·001); minus outlier (12), y = 0·92x + 7·07 (n = 14, P < 0·001). Adapted from Kidd (1987).