Table 1.

The effect of ein2 on root growth

Genotype	Number of secondary roots	Average length of top 10 secondary roots (mm)	Number of tertiary roots	Shoot FW: root FW
WT	71.5±8.3	136.0±4.5	5.7±0.6	1.3±0.2
ein2	82.5±6.03	123.0±2.8*	2.8±0.2**	1.1±0.1

Comparison of the parental wild-type (WT) cv. Torsdag with the ein2 mutant grown under glasshouse conditions for 14 d for the number of secondary and tertiary roots, the average length of the uppermost 10 secondary roots per plant, and the shoot fresh weight:root fresh weight ratio. Mean±SE (n=4–8). * P<0.05, ** P<0.01.