Phosphate/Zinc Interaction Analysis in Two Lettuce Varieties Reveals Contrasting Effects on Biomass, Photosynthesis, and Dynamics of Pi Transport

Table 1

Zinc and phosphate contents in Paris Island Cos and Kordaat submitted to zinc and phosphate treatments.

Tissues	Pi  in  shoots		Pi  in  roots
	Kordaat	Paris Island Cos	Kordaat	Paris Island Cos
Treatments
0 Zn, 0 Pi	2.13±0.28	2.04±0.11	14.77±5.62	6.18±0.68
15 Zn, 0 Pi	2.61±0.69	2.65±1.25	8.84±3.34	10.25±5.53
90 Zn, 0 Pi	1.79±0.21	1.80±0.26	11.16±1.41	9.65±2.49
360 Zn, 0 Pi	2.49±0.29	3.10±0.97	8.14±4.00	16.32±2.28
1440 Zn, 0 Pi	7.24±2.34	4.16±1.11	32.65±6.02	18.18±0.45
2880 Zn, 0 Pi	15.63±2.80	6.47±1.74	18.39±13.02	8.48±4.02
0 Zn, 500 Pi	6.16±0.79	11.02±2.18	136.17±8.19	146.78±7.03
15 Zn, 500 Pi	6.11±0.91	9.79±0.15	144.04±4.40	206.07±54.35
90 Zn, 500 Pi	5.58±2.49	5.81±4.18	40.53±10.04	48.78±22.37
360 Zn, 500 Pi	8.68±2.76	4.39±0.81	86.48±11.74	46.27±7.65
1440 Zn, 500 Pi	4.73±0.74	4.31±0.17	90.33±10.09	113.49±30.62
2880 Zn, 500 Pi	18.72±2.39	8.62±1.57	67.59±25.04	109.63±23.85
	Zn  in  shoots		Zn  in  roots
	Kordaat	Paris Island Cos	Kordaat	Paris Island Cos
0 Zn, 0 Pi	0.02±0.00	0.01±0.00	0.03±0.02	0.02±0.00
15 Zn, 0 Pi	0.03±0.00	0.03±0.01	0.07±0.02	0.07±0.01
90 Zn, 0 Pi	0.22±0.04	0.11±0.05	1.16±0.54	0.46±0.23
360 Zn, 0 Pi	0.24±0.03	0.13±0.07	5.74±5.80	5.01±1.28
1440 Zn, 0 Pi	4.60±2.46	2.58±0.87	200.75±165.78	2642.38±1942.29
2880 Zn, 0 Pi	2.99±0.38	3.00±0.46	512.96±121.85	480.58±92.58
0 Zn, 500 Pi	0.03±0.04	0.01±0.00	0.05±0.03	0.03±0.01
15 Zn, 500 Pi	0.01±0.00	0.01±0.00	0.08±0.03	0.05±0.01
90 Zn, 500 Pi	0.28±0.14	0.45±0.43	0.22±0.07	0.15±0.02
360 Zn, 500 Pi	1.30±0.97	0.43±0.43	0.31±0.03	0.17±0.02
1440 Zn, 500 Pi	0.72±0.62	0.24±0.12	8.32±1.92	7.15±246.13
2880 Zn, 500 Pi	0.38±0.04	0.14±0.04	263.92±316.46	288.12±4.39

Individual measurements were obtained from the analysis of shoots or roots collected from a pool of “𝑛” plants (𝑛≥3). ± indicate SD.