Table 3.

Mean levels of glucosinolates (μmoles/g dry mass) (±SE) in heads of harvested broccoli.

Class/compound	Phytohormone treatment						D. radicum infestation
	F	df	P-value	Control	JA	SA	F	df	P-value	Control	Infested
Aliphatic	2.04	2	0.1453	0.40 (0.09)	0.33 (0.09)	0.69 (0.20)	2.44	1	0.1318	0.44 (0.11)	0.78 (0.21)
Glucoraphanin	2.10	2	0.1372	0.33 (0.08)	0.28 (0.08)	0.60 (0.17)	2.24	1	0.1485	0.38 (0.10)	0.67 (0.19)
Glucoiberin	1.27	2	0.2932	0.07 (0.01)	0.05 (0.01)	0.09 (0.03)	3.58	1	0.0712	0.06 (0.01)	0.11 (0.02)
Indole	0.68	2	0.5110	0.87 (0.20)	0.76 (0.26)	1.14 (0.22)	0.55	1	0.4643	0.73 (0.15)	0.93 (0.24)
Glucobrassicin	0.18	2	0.8379	0.13 (0.04)	0.10 (0.04)	0.13 (0.03)	2.72	1	0.1130	0.09 (0.02)	0.16 (0.05)
Neoglucobrassicin	0.38	2	0.6879	0.63 (0.14)	0.58 (0.22)	0.80 (0.17)	0.53	1	0.4722	0.53 (0.12)	0.68 (0.19)
Unknown indole 1	1.64	2	0.2085	0.09 (0.05)	0.06 (0.02)	0.19 (0.07)	0.38	1	0.5440	0.10 (0.03)	0.07 (0.03)
Unknown indole 2	0.14	2	0.8705	0.02 (0.00)	0.02 (0.01)	0.02 (0.00)	0.01	1	0.9048	0.02 (0.00)	0.02 (0.00)
Total	1.25	2	0.2990	1.27 (0.28)	1.09 (0.34)	1.83 (0.38)	1.41	1	0.2472	1.17 (0.26)	1.72 (0.41)

JA, plants treated with jasmonic acid; SA, plants treated with salicylic acid.