Table 2.

CPD resistance in tir homozygous and heterozygous plants

Line	Root length (mm)	±s.e.	No.
+/+	7.8	0.1	32
tir1-1/tir1-1	15.7	0.3	33
tir1-3/tir1-3	15.8	0.4	34
tir1-7/tir1-7	13.0	0.5	33
tir1-1/+	10.9	0.3	15
tir1-3/+	12.5	0.3	17
tir1-7/+	12.6	0.2	17