Estimation of sample size in skin and flesh color measurements of dry flesh sweetpotato (Ipomoea batatas (L) Lam.)

CIP (International Potato Center), 1994. Pathogen-tested Sweetpotato Cultivars for Distribution, 3rd ed. CIP, Lima, Peru, 50 pp. Cochran, W.G., Cox, G.M., 1957. Experimental Designs. Wiley, New York. Martı́, 1994, Caracterización de clones de batata (Ipomoea batatas (L) Lam.) por color de piel y pulpa, Rivista di Agricoltura Subtropicale e Tropicale, 88, 609 McGuire, 1992, Reporting of objective color measurements, HortScience, 27, 1254, 10.21273/HORTSCI.27.12.1254 Randle, 1992, Sampling procedures to estimate flavor potential in onion, HortScience, 27, 1116, 10.21273/HORTSCI.27.10.1116 SAS Institute Inc., 1987. SAS/STAT Guide for Personal Computers, Version 6. SAS, Cary, NC, USA. Simon, 1997, Plant pigments for color and nutrition, HortScience, 32, 12, 10.21273/HORTSCI.32.1.12 Yamakawa, 2002, Sweetpotato as food material with physiological functions, Acta Hort., 583, 179, 10.17660/ActaHortic.2002.583.20