Influence of rootstocks on growth, yield, fruit quality and leaf mineral element contents of pear cv. ‘Santa Maria’ in semi-arid conditions

Table 2 Seasonal variation in N, P, K, Ca, and Mg foliar concentration of Santa Maria’ pear cultivar grown on different rootstocks

Rootstock	N (%)			P (%)			K (%)			Ca (%)			Mg (%)
Rootstock	30 DAFB	60 DAFB	90 DAFB	30 DAFB	60 DAFB	90 DAFB	30 DAFB	60 DAFB	90 DAFB	30 DAFB	60 DAFB	90 DAFB	30 DAFB	60 DAFB	90 DAFB
Pear sdl.	2.38 a	2.14 a	2.05 a	0.18	0.17	0.17	1.94 a	1.88 a	1.53 a	1.66 a	1.84 a	1.88 a	0.40 a	0.45 a	0.47 a
BA 29	2.25 ab	2.11 ab	1.98 ab	0.22	0.15	0.18	1.89 a	1.85 a	1.42 ab	1.51 ab	1.64 a	1.67 a	0.38 a	0.44 a	0.45 a
Quince A	2.19 b	1.99 c	1.87 b	0.18	0.13	0.15	1.53 b	1.39 b	1.27 b	1.34 b	1.37 b	1.46 b	0.37 ab	0.40 ab	0.42 ab
Quince C	2.17 b	2.03 bc	1.97 ab	0.19	0.11	0.14	1.58 b	1.45 b	1.44 ab	1.11 c	1.30 b	1.38 b	0.22 b	0.34 b	0.36 b
Significance	**	**	**	Ns	Ns	Ns	***	***	**	***	***	***	**	*	*

Values are the mean for 2012 and 2013.
Norms: Heckman [36] N (2.20-2.80%), P (0.11-0.25%), K (1.00-2.00%), Ca (1.00-1.50%) and Mg (0.25-0.50%).
ns, *, **and ***Nonsignificant or significant at P ≤ 0.05, 0.01 or 0.001, respectively.

ISSN: 0717-6287