Fig. 4 | Scientific Reports

Fig. 4

From: Application of graphene oxide in Agrobacterium-mediated genetic transformation and construction of a novel DNA delivery system for watermelon

Fig. 4

Analysis of nanomaterial toxicity. (A) (a) (f), (k) Pollen cultured in medium without added GO; (b), (g), (l) pollen cultured in medium with 12 mg/ml GO added; (c), (h), (m) pollen cultured in medium with 32 mg/ml GO added; (d), (i), (n) pollen cultured in medium with 64 mg/ml GO added; (e), (j), (o) pollen cultured in medium with 93 mg/ml GO added (bar = 200 μm). (B) Pollen tube germination rate and pollen tube length: (a) germination rate at different concentrations; (b) pollen tube length at different times and concentrations (* p < = 0.05 ** p < = 0.01 *** p < = 0.001).

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