Scores were: Leaf hairiness 0 = no hair, 1 = sparse and 2 = dense; roughness 0 = smooth, 1 = rough and 2 = very rough; colour 0 = yellow, 1 = pale green, 2 = green and 3 = dark green and
disease resistance 0 = resistant, 1 = susceptible and 2 = very susceptible. The pest resistance scores were 0 = not attacked, 1 = mildly attacked and 2 = very susceptible.