Table 1. Results of ANCOVA testing for the effects of plant size, plant type (PA, PnoA and NoP) and their interaction on total leaf area.

Explanatory variables		ndf	ddf	F	P	Estimate	SE
Size		1	43	19.40	<0.0001
Type		2	43	2.61	0.0850
Size*type		2	43	5.71	0.0063
Parameter estimates
Intercept					<0.0001	3397.16	560.10
Slopes	Size*PA				<0.0001	41.46	4.37
	Size*PnoA				0.13	9.72	6.29
	Size*NoP				0.98	0.11	4.12