Table 2. Requirement of RNA-directed DNA methylation factors for T-DNA suppression.

Cross		F1 genotype			n	p-value*
♀	♂		F2 phenotype
ag/+; nrpe1/+	gl2/+; nrpe1/+	ag/+; gl2/+; nrpe1/nrpe1	WT: 46	ag: 8	54	6.46E-03
		ag/+; gl2/+; +/+	WT: 48	ag: 0	48
lfy/+; nrpe1/+	gl2/+; nrpe1/+	lfy/+; gl2/+; nrpe1/nrpe1	WT: 39	lfy: 6	45	6.04E-03
		lfy/+; gl2/+; +/+	WT: 57	lfy: 0	57
ag/+; drd1/+	gl2/+; drd1/+	ag/+; gl2/+; drd1/drd1	WT: 53	ag: 6	59	2.60E-02
		ag/+; gl2/+; +/+	WT: 56	ag: 0	56
lfy/+; drd1/+	gl2/+; drd1/+	lfy/+; gl2/+; drd1/drd1	WT: 32	lfy: 8	40	8.26E-04
		lfy/+; gl2/+; +/+	WT: 52	lfy: 0	52
ag/+; nrpd2a/+	gl2/+; nrpd2a/+	ag/+; gl2/+; nrpd2a/nrpd2a	WT: 37	ag: 11	48	N.A.
		—	—	—
lfy/+; nrpd2a/+	gl2/+; nrpd2a/+	lfy/+; gl2/+; nrpd2a/nrpd2a	WT: 33	lfy: 15	48	1.67E-05
		lfy/+; gl2/+; +/+	WT: 48	lfy: 0	48
ag/+; rdr6/+	gl2/+; rdr6/+	ag/+; gl2/+; rdr6/rdr6	WT: 42	ag: 0	42	1
		ag/+; gl2/+; +/+	WT: 47	ag: 0	47
lfy/+; rdr6/+	lfy/+; rdr6/+	lfy/+; gl2/+; rdr6/rdr6	WT: 43	lfy: 0	43	1
		lfy/+; gl2/+; +/+	WT: 46	lfy: 0	46

*Fisher’s exact test.