TABLE 3.

Leaf mineral content of Merlot/3309C grapevines subjected to different irrigation amounts (FI, Full Irrigated; HI, Half Irrigated), AMF inoculation (I, inoculated; NI, non-inoculated) and their combinations during the 2020 growing season (first productive year) in Oakville (California).

	N	P	K	Zn	Mn	Na	Ca	B	Mg	Fe	Cu
	%	%	%	mg/kg	mg/kg	%	mg/kg	%	%	mg/kg	mg/kg
Treatments
FINI	3.26 ± 0.09	0.26 ± 0.01	1.23 ± 0.12	472.0 ± 73.0	156.0 ± 24.0	0.018 ± 0.003	1.73 ± 0.18	77.50 ± 9.60	0.39 ± 0.02	220.25 ± 12.80	100.3 ± 34.7
FII	3.13 ± 0.06	0.26 ± 0.02	1.34 ± 0.03	389.8 ± 49.5	119.5 ± 12.4	0.010 ± 0.004	1.39 ± 0.08	62.25 ± 2.56	0.35 ± 0.02	201.75 ± 13.97	96.5 ± 41.8
HINI	3.26 ± 0.06	0.27 ± 0.01	1.28 ± 0.05	406.0 ± 52.5	134.5 ± 18.6	0.013 ± 0.003	1.51 ± 0.09	63.25 ± 9.32	0.38 ± 0.01	225.75 ± 10.25	122.0 ± 22.3
HII	3.25 ± 0.05	0.26 ± 0.02	1.29 ± 0.11	351.8 ± 32.9	123.8 ± 21.0	0.010 ± 0.004	1.48 ± 0.23	58.50 ± 6.46	0.37 ± 0.05	227.50 ± 31.67	122.0 ± 55.5
LMEM
Irrigation amount (I)	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns
AMF inoculation (M)	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns
I × M	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns

Values represent means ± SE (n = 4) separated by Kenward–Roger method and Tukey’s p-value adjustment (P ≤ 0.05). ns indicate non-significance. All values are expressed as % or mg of the mineral per kg of leaf dry weight. LMEM, linear mixed-effect model.