Table 3.

Diversity estimates for the total sample, each of the seven main crop types of cultivated lettuce, and L. serriola

	SSR	AFLP	SSAP	SRAP	TRAP	NBS	Morph	Expert
n	11	192	148	119	275	100
DR	0.49	0.91	0.89	0.82	0.90	0.80
A. Gene diversity
Total sample	0.76	0.22	0.21	0.22	0.24	0.22
Butterhead	0.43	0.12	0.07	0.12	0.11	0.11
Cos	0.59	0.13	0.12	0.13	0.17	0.11
Crisphead	0.52	0.10	0.08	0.09	0.12	0.11
Cutting	0.62	0.14	0.12	0.16	0.16	0.15
Latin	0.59	0.13	0.12	0.16	0.15	0.14
Oilseed	0.46	0.05	0.05	0.06	0.06	0.05
Stalk	0.49	0.07	0.08	0.08	0.07	0.10
L. serriola	0.72	0.19	0.16	0.24	0.19	0.16
B. Average similarity
Total sample	0.16	0.71	0.67	0.53	0.59	0.73	0.60	0.41
Butterhead	0.40	0.81	0.86	0.67	0.77	0.85	0.77	0.93
Cos	0.26	0.79	0.79	0.63	0.67	0.84	0.77	0.91
Crisphead	0.36	0.84	0.84	0.76	0.74	0.83	0.76	0.87
Cutting	0.24	0.79	0.78	0.61	0.69	0.79	0.69	0.76
Latin	0.27	0.79	0.77	0.60	0.70	0.81	0.75	0.86
Oilseed	0.43	0.92	0.91	0.83	0.86	0.93	0.87	0.83
Stalk	0.33	0.89	0.84	0.74	0.84	0.85	0.82	0.88
L. serriola	0.08	0.69	0.66	0.50	0.63	0.76	0.81	0.72

The number of scored polymorphic loci for the molecular markers is denoted by n, and the data resolution by DR

A Average gene diversity estimated by each of the six molecular markers

B Average similarity value for the six molecular markers, the morphological descriptors (Morph) and the expert’s assessments