Table 1 Contrast measured by the Fisher ratio \(F_r\) between compartment of the maize seed with X-ray in-line phase tomography at 7, 9, 12, and 21 DAP
Compartment | \(F_r\) at 7 DAP | \(F_r\) at 9 DAP | \(F_r\) at 12 DAP | \(F_r\) at 21 DAP |
|---|---|---|---|---|
Pericarp-nucellus | 14.0 | 11.9 | NA | NA |
Nucellus-endosperm | 2.2 | 2.2 | NA | NA |
Pericarp-endosperm | NA | NA | 28.9 | 12.8 |
Albumen-embryo | 0.9 | 0.8 | 0.2 | 2.2 |