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Fig. 2 | BMC Energy

Fig. 2

From: Effects of nanoscale zerovalent cobalt on growth and photosynthetic parameters of soybean Glycine max (L.) Merr. DT26 at different stages

Fig. 2

Changes in photosynthetic parameters of DT26 soybean leaves at different stages as (a) Pn, (b) Fo, (c) Fm, (d) Fv/Fm, (e) ΦPSII and (f) ETR parameters. Values are means ± standard deviation, * Indicate significant difference at p < 0.05, respectively, between treatments and control. V1, V3, V5 and R1 were first, third, fifth trifoliate and begin at flowering stages, respectively; control - no NZVC treatment, using distilled water; CoVN - 1, 2 and CoUSA - 1, 2: Seeds were treated with 0.17 and 16.7 mg/kg seeds of Vietnamese and USA NZVCs, respectively

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