Figure 4 | Scientific Reports

Figure 4

From: Seed priming with polyethylene glycol regulating the physiological and molecular mechanism in rice (Oryza sativa L.) under nano-ZnO stress

Figure 4

Electron micrographs of leaf mesophyll and root cell of two cultivars of Oryza sativa (cvs. Zhu Liang You 06 and Qian You No. 1) primed with PEG (30%) and grow under control and 750 mg L−1 of nano-ZnO concentration.

(A) Leaf mesophyll cell of cultivar Zhu Liang You 06 at control level. (B) Leaf mesophyll cell of cultivar Zhu Liang You 06 primed with PEG (30%) and exposed to 750 mg L−1. (C) Leaf cell of cultivar Zhu Liang You 06 non-primed with PEG and exposed to 750 mg L−1. (D) Leaf mesophyll cell of cultivar Qian You No. 1 under control. (E) Leaf mesophyll cell of Qian You No. 1 primed with PEG (30%) and exposed to 750 mg L−1. (F) Leaf mesophyll cell of Qian You No. 1 non-primed with PEG (30%) and exposed to 750 mg L−1. (G) Root tip of cultivar Zhu Liang You 06 under control. (H) Root tip of cultivar Zhu Liang You 06 primed with PEG (30%) and exposed to 750 mg L−1. (I) Root tip of cultivar Zhu Liang You 06 non-primed with PEG (30%) and exposed to 750 mg L−1. (J) Root tip of cultivar Qian You No. 1 under control. (K) Root tip of cultivar Qian You No. 1 primed with PEG (30%) and exposed to 750 mg L−1. (L) Root tip of cultivar Qian You No. 1 non-primed with PEG and exposed to 750 mg L−1.

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