Table II. Scanning electron microscopy analysis of 7-DPA fruits from the LA1589 sun NILs

Each value (mean ± se) represents eight longitudinally cut fruits or eight transversely cut fruits. P values were calculated from Student’s t test.

TraitsLA1589eeLA1589ppP
Septum
 Fruit length (mm)6.965 ± 0.2364.478 ± 0.156<0.0001
 Fruit width (mm)3.190 ± 0.1623.876 ±0.1170.0003
 Septum length (mm)5.087 ± 0.1573.238 ± 0.133<0.0001
 Septum cell length (mm)0.053 ± 0.0020.048 ± 0.0030.2141
 Septum cell no. – longitudinal96.5 ± 3.367.7 ± 2.7<0.0001
 Septum width (mm)2.346 ± 0.0392.847 ± 0.0900.0004
 Septum cell width (mm)0.035 ± 0.0010.038 ± 0.0020.2542
 Septum cell no. – transverse66.6 ± 2.375.7 ± 1.80.0050
 No. of cell layers in septum8.0 ± 0.39.1 ± 0.30.8530
Pericarp
 Pericarp perimeter – longitudinal (mm)16.384 ± 0.38413.752 ± 0.5640.0017
 Mesocarp cell length (mm)0.061 ± 0.0030.065 ± 0.0020.3570
 Cell no. along the perimeter – longitudinala270.9 ± 11.6211.5 ± 6.80.0009
 Pericarp perimeter – transverse (mm)10.805 ± 0.12713.212 ± 0.4450.0004
 Pericarp thickness (mm)0.431 ± 0.0110.494 ± 0.0130.0023
 Mesocarp cell width (mm)0.057 ± 0.0010.064 ± 0.0020.0086
 Cell no. along the perimeter – transversea190.0 ± 4.9205.491 ± 5.80.0741
 No. of cell layers in pericarp14.0 ± 0.313.8 ± 0.20.4291
Distal and proximal ends
 Distal end length (mm)0.659 ± 0.0250.513 ± 0.0150.0003
 Distal end cell length (mm)0.049 ± 0.0050.037 ± 0.0030.0729
 Distal end cell no.14.6 ± 1.714.3 ± 1.40.8837
 Proximal end length (mm)1.025 ± 0.0710.803 ± 0.0550.0315
 Proximal end cell length (mm)0.049 ± 0.0020.042 ± 0.0010.0032
 Proximal end cell no.21.3 ± 1.819.4 ± 1.50.4522
  • a Numbers of cells along the perimeter were estimated based on mesocarp size and perimeter length.