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. 2020 Apr 8;20:148. doi: 10.1186/s12870-020-02352-0

Fig. 2.

Fig. 2

Soybean chloroplast ultrastructure (a), starch and sucrose contents (b) under different treatments. N, N + Fr, L + Fr, and L denote normal light (normal PAR and normal R/Fr ratio), normal light plus far-red light (normal PAR and low R/Fr ratio), low light plus far-red light (low PAR and low R/Fr ratio), and low light (low PAR and normal R/Fr ratio), respectively. SG stands for starch grain. Data are expressed as the means ± SD of triplicates. Means followed by different letters are significantly different at P = 0.05