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Table 4 Levels of cytosine methylation in F 1 hybrids and their corresponding parents

From: Rapid genomic and transcriptomic alterations induced by wide hybridization: Chrysanthemum nankingense × Tanacetum vulgare and C. crassum × Crossostephium chinense (Asteraceae)

Plant lines Total sites Non-methylated Methylated
   Type I Total Type II Type III
C. nankingense 584 274 (46.9%) 310 (53.1%) 178 (30.5%) 132 (22.6%)
T. vulgare 572 275 (48.1%) 297 (51.9%) 164 (28.7%) 133 (23.3%)
Mid-parental value 100% 47.5% 52.5% 29.6% 22.9%
Hybrid 567 292 (51.5%) 275 (48.5%) 148 (26.1%) 127 (22.4%)
C. crassum 585 261 (44.6%) 324 (55.4%) 171 (29.2%) 153 (26.2%)
Cr. chinense 572 268 (46.9%) 304 (53.1%) 162 (28.3%) 142 (24.8%)
Mid-parental value 100% 45.7% 54.3% 28.8% 25.5%
Hybrid 573 284 (49.6%) 289 (50.4%) 149 (26.0%) 140 (24.4%)