Table I.

Effect of RHD3 gene constructs on root growth and cell elongation

Genotype	Root Growth Rate		Epidermis Cell Length
	mm d−1a	% Wild type	μm cell−1a	% Wild type
Columbiab	5.3 ± 0.8	100	207 ± 36	100
rhd3-2 (Col)	2.6 ± 0.3	48	92 ± 13	45
rhd3-2, 12A	5.2 ± 0.8	98	222 ± 36	107
rhd3-2, 12A-I	NDc	–	94 ± 15	45
Nossenb	5.7 ± 0.5	100	166 ± 29	100
rhd3-3 (No)	2.8 ± 0.4	48	85 ± 12	51
rhd3-3, 12A	5.6 ± 0.5	98	184 ± 33	111
rhd3-3, 12A-I	ND	–	89 ± 11	54

^aValues given represent the mean ± sd. 

^bWild type. 

^cND, Not determined.