Towards a comprehensive characterization of durum wheat landraces in Moroccan traditional agrosystems: analysing genetic diversity in the light of geography, farmers’ taxonomy and tetraploid wheat domestication history

Table 6 Genetic variability estimates in the subspecies of Triticum turgidum from the INRA collection and in the Morroccan sample

Subspecies of *Triticum turgidum* and Moroccan sample	Sample size	N _a	H _e	R _s
ssp. *dicoccoides*	53	16.1	0.91^a	13^a
ssp. *dicoccum*	94	13.8	0.78^b	9.78^b
ssp. *carthlicum*	34	5.1	0.54^ce	4.69^ce
ssp. *polonicum*	29	4.8	0.50^de	4.47^de
ssp. *turgidum*	33	7.8	0.68^bc	7.15^bc
ssp. *durum*	252	8.6	0.56^cd	5.59^cd
Moroccan sample	161	6.5	0.49^de	4.57^e

N _a, mean number of alleles per locus; H _e, mean expected heterozygosity and R _s, mean allelic richness per locus computed for a minimum sample size of 17 diploid individuals per group.
Values with the same letters are not significantly different (P < 0.01).
Only 161 Moroccan individuals have been included in the final data set, due to the identification of 5 Triticum aestivum individuals in the original sample.

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