Table II. Comparison of crown root number and root length between wild-type and OsCKX4-RNAi transgenic plants.

Average values ± sd are shown. *P < 0.05, **P < 0.01.

Time after Germination	Crown Root No.			Root Length
	Wild Type	RNAi Line 32	RNAi Line 42	Wild Type	RNAi Line 32	RNAi Line 42
				cm
1 week	4.3 ± 0.60	1.3 ± 0.27**	3.2 ± 0.31*	6.0 ± 1.33	4.9 ± 0.51*	5.1 ± 0.54*
2 weeks	6.2 ± 1.14	5.2 ± 0.66*	5.0 ± 0.72*	13.9 ± 1.64	11.1 ± 2.03	12.3 ± 2.11