Table 3 Diversity statistics based on Nei's (1987) analysis of gene diversity in subdivided populations for geographical groups of L. perenne ecotypes, L. perenne breeding varieties, Lolium species, × Festulolium varieties and Festuca species

From: Extremely high cytoplasmic diversity in natural and breeding populations of Lolium (Poaceae)

 

Ni

Np

Ht

Hs

Gst

Irish L. perenne ecotypes

480

30

0.312

0.238

0.238

European and other geographic regional L. perenne ecotypes (total)

496

32

0.330

0.188

0.431

 Northern Europe ▵

100

7

0.327

0.197

0.397

 North Africa □

48

3

0.254

0.177

0.301

 Near East ▴

60

4

0.233

0.146

0.373

 Southern Europe ▪

128

8

0.359

0.217

0.395

 Western Europe ○

80

5

0.347

0.191

0.449

 Eastern Europe •

80

5

0.247

0.166

0.328

L. perenne varieties

259

16

0.302

0.216

0.285

× Festulolium

140

9

0.318

0.227

0.285

Other Lolium species

136

11

0.341

0.142

0.585

Festuca species

64

6

0.269

0.077

0.716

  1. Abbreviations: Gst, coefficient of genetic differentiation; Hs, diversity within subdivided populations; Ht, total gene diversity; Ni, number of individuals; Np, number of populations.