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. 2014 Jun 15;2014:548254. doi: 10.1155/2014/548254

Figure 1.

Figure 1

Zinc and phosphate treatment significantly alters Paris Island Cos and Kordaat growth capacity. 30-day-old Paris Island Cos and Kordaat lettuce varieties were grown and exposed to various zinc and phosphate concentrations in the culture medium (a). Shoot (b) and root (c) dry weight measured in different growth conditions for the Paris Island Cos and Kordaat lettuce varieties. Results are averages of three replicates ± SE. Asterisks indicate statistically significant differences compared to either 0 μM of Pi, 15 μM Zn (left parts of (b) and (c)) or 500 μM of Pi, 15 μM Zn (right parts of (b) and (c)) treatments of each lettuce variety (P ≤ 0.05).