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. 2012 Sep 28;7(9):e46206. doi: 10.1371/journal.pone.0046206

Figure 1. Growth and chloroplast ultrastructure of Col-0, Ws-4 and Ler-0 Arabidopsis accessions.

Figure 1

Plants were grown using hydroponic system at an irradiance of 120 µmol photons m−2 s−1 (GL). (A) Photographs of representative plants grown for 6 weeks. Scale bar: 2 cm. (B) Plot of shoot weight ±SD as a function of plant age (n = 10). Asterisks indicate significant difference at Student's t-test P<0.01. SD bars are shown when larger than the symbols. (C) Representative transmission electron micrographs of plants grown for 4 weeks. Scale bar: 1 µm.