. 2019 Jun 17;8(6):180. doi: 10.3390/plants8060180

Table 2.

Mineral content in the shoots of the poinsettia cultivars.

Cultivar(A)	Si (mg·L⁻¹) (B)	Si (mg·g⁻¹ dry weight)	Macronutrients (mg·g⁻¹ Dry Weight)					Micronutrients (µg·g⁻¹ Dry Weight)
Cultivar(A)	Si (mg·L⁻¹) (B)	Si (mg·g⁻¹ dry weight)	K	Ca	Mg	P	S	B	Cu	Fe	Mn	Zn
‘Flame’	0	0.10	6.19	2.69	1.00	1.78	0.39	14.42	3.15	25.89	12.88	21.01
‘Flame’	50	0.26^*z	6.66^*	2.61	1.00	1.68^*	0.49^*	11.68^*	4.06^*	30.13^*	10.33^*	16.34^*
‘Green Star’	0	0.18	8.21	2.81	1.33	2.89	0.63	19.19	6.71	38.68	19.53	22.93
‘Green Star’	50	0.19^*	7.09^*	3.58^*	1.61^*	2.25^*	0.73^*	17.05^*	5.20^*	37.12^*	19.57	22.18^*
‘Mable Bell’	0	0.29	7.27	3.31	1.48	2.04	0.67	15.11	8.43	36.07	17.36	19.90
‘Mable Bell’	50	0.11^*	9.45^*	4.52^*	2.20^*	3.10^*	0.81^*	15.31	7.11^*	51.09^*	27.85^*	25.58^*
‘Pink Bell’	0	0.09	5.63	2.91	1.13	1.97	0.41	9.57	10.45	29.82	10.90	17.98
‘Pink Bell’	50	0.11^*	5.30^*	3.28^*	1.50^*	1.86	0.48^*	10.86^*	9.14^*	36.12^*	18.49^*	18.65
‘Peach Bowl’	0	0.08	4.79	2.99	1.11	1.50	0.43	7.98	8.06	37.35	11.91	19.59
‘Peach Bowl’	50	0.11^*	6.58^*	4.02^*	1.40^*	2.18^*	0.57^*	9.56^*	11.43^*	42.74^*	20.68^*	23.24^*
F-test	A	***^y	***	***	***	***	***	***	***	***	***	***
	B	***	***	***	***	***	***	***	NS	***	***	***
	A × B	***	***	***	***	***	***	***	***	***	***	***

Data were represented by the mean. Each treatment was measured three times. ^zAsterisks represent significant differences between the control and the Si treatment according to Student’s t-test (P ≤ 0.05). ^yNS, *, **, *** Non-significant or significant at P ≤ 0.05, 0.01, 0.001, respectively.