Table 1. Open in new tab Mean...

Parameter estimates of photosynthesis	First fully expanded mature leaves	Eighth fully expanded mature leaves
LSP (μmol photons m⁻² s⁻¹)	985	575***a	939	589***
P_max (μmol CO₂ m⁻² s⁻¹)	18.1	9.42***	12.37	8.95***
LCP (μmol photons m⁻² s⁻¹)	22.1	28.3*	28.2	30.2
Φ (mol CO₂ mol⁻¹ photons)	0.061	0.048**	0.050	0.046
R_d (μmol m⁻² s⁻¹)	1.35	1.36	1.41	1.39

Parameter estimates of photosynthesis	First fully expanded mature leaves	Eighth fully expanded mature leaves
LSP (μmol photons m⁻² s⁻¹)	985	575***a	939	589***
P_max (μmol CO₂ m⁻² s⁻¹)	18.1	9.42***	12.37	8.95***
LCP (μmol photons m⁻² s⁻¹)	22.1	28.3*	28.2	30.2
Φ (mol CO₂ mol⁻¹ photons)	0.061	0.048**	0.050	0.046
R_d (μmol m⁻² s⁻¹)	1.35	1.36	1.41	1.39

Table 1.

Mean photosynthesis parameter estimates from the light response curves for the 1st and the 8th fully expanded mature leaves of uninfected and infected Mikania micranthaby Cuscuta campestris

Parameter estimates of photosynthesis	First fully expanded mature leaves		Eighth fully expanded mature leaves
	Uninfected	Infected	Uninfected	Infected
LSP (μmol photons m⁻² s⁻¹)	985	575***a	939	589***
P_max (μmol CO₂ m⁻² s⁻¹)	18.1	9.42***	12.37	8.95***
LCP (μmol photons m⁻² s⁻¹)	22.1	28.3*	28.2	30.2
Φ (mol CO₂ mol⁻¹ photons)	0.061	0.048**	0.050	0.046
R_d (μmol m⁻² s⁻¹)	1.35	1.36	1.41	1.39

Parameter estimates of photosynthesis	First fully expanded mature leaves		Eighth fully expanded mature leaves
	Uninfected	Infected	Uninfected	Infected
LSP (μmol photons m⁻² s⁻¹)	985	575***a	939	589***
P_max (μmol CO₂ m⁻² s⁻¹)	18.1	9.42***	12.37	8.95***
LCP (μmol photons m⁻² s⁻¹)	22.1	28.3*	28.2	30.2
Φ (mol CO₂ mol⁻¹ photons)	0.061	0.048**	0.050	0.046
R_d (μmol m⁻² s⁻¹)	1.35	1.36	1.41	1.39

Means were compared between treatments within each leaf order position. LSP, light saturation point; P_max, net photosynthesis at LSP; LCP, light compensation point; Φ, apparent quantum yield; R_d, dark respiration rate.

*P <0.05;**P <0.01;***P <0.001.

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