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. 2021 Aug 19;11:16900. doi: 10.1038/s41598-021-96427-z

Figure 3.

Figure 3

Content of chlorophyll a (a,b), chlorophyll b (c,d), carotenoids (e,f), and photosystem II quantum efficiency (g,h) of sugarcane (Saccharum officinarum L.) and energy cane (Saccharum spontaneum L.) plants, respectively, grown in Mn-sufficient and deficient nutrient solution in the absence (− Si) and presence (+ Si) of Si. F-test was applied: *(p ≤ 0.05); **(p ≤ 0.01), and ns not significant. Different lowercase letters compare Si conditions under the same Mn condition (p < 0.05 the Tukey test), while different uppercase letters compare Mn conditions under the same Si condition (p < 0.05 by Tukey test). Bars represent the mean standard error, n = 5.