Table I. Photosynthetic parameters of the leaves of pgi1-2 plants cultured in the absence or presence of VCs emitted by A. alternata for 3 d.

Values represent means ± se of determinations from four independent experiments.

Treatment	ΦPo	ΦPSII	ΦNPQ	Maximum Electron Transport Demand for Ribulose 1,5-Bisphosphate Regeneration	Maximum Rate of Carboxylation by Rubisco	Triose Phosphate Use
				μmol e− m−2 s−1	μmol CO2 m−2 s−1	μmol inorganic phosphate m−2 s−1
− VCs	0.69 ± 0.01	0.35 ± 0.01	0.89 ± 0.04	25.3 ± 0.33	15.5 ± 0.42	1.08 ± 0.06
+ VCs	0.82 ± 0.01	0.48 ± 0.01	0.35 ± 0.03	59.0 ± 0.46	25.3 ± 0.26	2.89 ± 0.09