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. 2019 Feb 1;6:20. doi: 10.1038/s41438-018-0107-1

Fig. 6. Floral organ morphology, development of the pollen and cross-compatibility of the wild type and the C-4 mutant.

Fig. 6

a, b Comparison of the lower, stamen, pistil, anther, and pollen development between the wild type and the C-4 mutant. a1–a3 floral organ morphology of the wild type; b1–b3 floral organ morphology of the C-4 mutant; a4 pollen formation in the anther of the wild type (10 × 20); b4 empty pollen sac in the anther from the C-4 mutant (10 × 20). c cross-compatibility between the C-4 mutant and the wild type with the same S-allele. c1 in situ fluorescence microscopy of pollen (from the wild type) germination on the stigma of the C-4 mutant at the bud stage; c2 in situ fluorescence microscopy of pollen (from the wild type) germination on the stigma of the C-4 mutant at the flowering stage; c3–c5 silique growth and seed-set of the C-4 mutant × wild type at the bud stage; c6-c8 silique growth and seed set of the C-4 mutant plant × wild type at the flowering stage. d Self- or cross-compatibility indices of the BoMS1 and BoSRK3 gene mutant plants. Bars represent the mean ± standard deviation (SD)