Table 2. ANOVA results and mean (±SE, n = 5) of relative growth rate (RGR, g g^–1d^–1), leaf area (m²), leaf area ratio (LAR, m² kg^–1 of plant, specific leaf area (SLA, m² kg^–1 of leaves), unit leaf rate (ULR, g m^–2 d^–1), shoot:root dry weight ratio (S:R, g g^–1), and (host shoot+Cuscuta):host root ((H+C)/HR, g g^–1) for M. micrantha plants infected and uninfected by C. campestris and fertilized at 0.2, 1 and 5 mM nitrate.

Treatments	RGR	Leaf area	LAR	SLA	ULR	S:R	(H+C)/HR
0.2 mM nitrate
Uninfected	0.045±0.001b	0.12±0.02c	4.12±0.28c	32.00±0.93ab	11.22±0.78a	0.61±0.05c	0.61±0.05b
Infected	0.031±0.002d	0.06±0.01d	6.05±0.88ab	33.63±2.57ab	5.79±1.10b	0.87±0.20bc	2.03±0.47a
1 mM nitrate
Uninfected	0.052±0.001a	0.18±0.02b	4.16±0.13c	29.04±1.78b	12.55±0.46a	0.69±0.05c	0.69±0.05b
Infected	0.040±0.002c	0.12±0.02c	6.65±0.67a	34.54±2.63ab	6.24±0.82b	1.24±0.11ab	2.63±0.44a
5 mM nitrate
Uninfected	0.056±0.001a	0.45±0.03a	4.89±0.15bc	30.27±1.92ab	11.42±0.36a	1.22±0.05ab	1.22±.0.05b
Infected	0.046±0.001b	0.22±0.04b	5.80±0.48ab	35.06±1.88a	8.07±0.66b	1.41±0.22a	2.84±0.32a
Source of variation	F values from ANOVA
Nitrate (N)	32.79***	50.31***	0.22 ns	0.15 ns	1.51 ns	9.28**	2.90 ns
Infection (I)	94.98***	34.23***	18.02***	5.75*	69.48***	9.27**	47.48***
N × I	0.80 ns	6.63**	1.24 ns	0.51 ns	2.11 ns	1.01 ns	0.39 ns