Table 1.

Tomato stem diameters (cm)

	0.5 mM NO3–	2 mM NO3–	5 mM NO3–	20 mM NO3–
Mock-inoculated plantsa	0.72 ± 0.06	0.92 ± 0.07	1.16 ± 0.06	1.20 ± 0.07
Botrytis-inoculated plantsa	0.76 ± 0.06	0.98 ± 0.06	1.19 ± 0.07	1.19 ± 0.07
P-valueb	0.0698	0.0074	0.2912	0.6529

^a Values correspond to the mean of stem diameters (in cm) measured on all sampling days ±SD.

^b P-value from a Wilcoxon–Mann–Whitney test comparing stem diameters of mock- and Botrytis-inoculated plants.