Table 2. Pattern and extent of alterations at differentially methylated 5′-CCGG sites among hybrids relative to parental lines in Brassica.

Combinations	P1 = P2 = F1 (%)	P1 = F1≠P2 (%)	P2 = F1≠P1 (%)	Hypomethylation (%)	Hypermethylation (%)
Seedling
B. rapa × B. napus	56.1	9.7	22	9.6	2.5
B. napus × B. rapa	55.6	23	9.1	10.6	1.6
B. rapa × B. rapa	60	12.2	11.8	13.3	2.7
B. napus × B. napus	77	6.7	6.2	8.4	1.6
Bud
B. rapa × B. napus	80.1	7.2	7.3	4.1	1.4
B. napus × B. rapa	78	9.9	6.7	4	1.4
B. rapa × B. rapa	78.6	7	7.1	3.9	3.4
B. napus × B. napus	81.8	5.1	5.3	3.1	4.6