Table I.

ANOVA for data presented in the figures

Parameter	Statistics	P	MCP	P × MCP
Root elongation rate	F value	433.9	0.45	35.78
	Pr > F	<0.0001	nsa	<0.0001
Strain in the meristem	F value	0.71	0.78	0.76
	Pr > F	ns	ns	ns
Maximal strain	F value	146.8	1.01	23.04
	Pr > F	<0.0001	ns	<0.0001
Location of the maximal strain	F value	7.5	17.01	21.33
	Pr > F	0.0113	<0.0001	<0.0001
Meristem length	F value	1.01	0.15	0.18
	Pr > F	ns	ns	ns
Elongation zone length	F value	35.11	0.98	0.52
	Pr > F	<0.0001	ns	ns
Growth zone length	F value	42.74	1.46	0.41
	Pr > F	<0.0001	ns	ns
Trichoblast length	F value	394	31.23	91.17
	Pr > F	<0.0001	<0.0001	<0.0001
Atrichoblast length	F value	117.4	15.3	32.42
	Pr > F	<0.0001	0.0002	<0.0001
Cortical cell length	F value	569.2	55.59	11.38
	Pr > F	<0.0001	<0.0001	0.001
Trichoblast flux	F value	37.1	6.16	1.6
	Pr > F	<0.0001	0.0112	ns
Atrichoblast flux	F value	80.6	3.39	2.85
	Pr > F	<0.0001	0.0308	0.0391
Cortical cell flux	F value	14.9	8.21	5.06
	Pr > F	0.0015	0.0039	0.0209
First hair initiation	F value	310.5	3.5	20.22
	Pr > F	<0.0001	0.0456	<0.0001
First hair to the end of growth zone	F value	26.5	4.8	8.85
	Pr > F	<0.0001	0.02	0.0021

^a ns, No significant difference at P < 0.05.