In each photograph, LFB (the maximum fiber bundle value along the stem circumference) and WFB (the maximum fiber bundle value perpendicular to the stem circumference) of three fiber bundles and IFBD between four fiber bundles were measured.
ANOVA analysis of DIF effect on the fiber cellular traits showed that DIFs had a significant influence on the width of fiber bundle (WFB), the inter-fiber bundle distance (IFBD), the size of fiber cell (SFC), the size of fiber cell cavity (SFCC), the thickness of fiber cell wall (TFCW) and the number of fiber cells per bundle (NFCB) (Table 2).
Under DIF 5, IFBD decreased but WFB and NFCB increased compared with under the other DIFs (Table 3).
For 'Ariane', there were statistically significant differences in IFBD, SFC and SFCC.
In short, for 'Ariane', IFBD was shorter under DIF 5 than the other DIFs, but SFC and SFCC were both larger under DIF 10 than DIF 5 and DIF 10 conditions.
And IFBD has a significant correlation with all measured traits (length of fiber bundle is significant positive correlation, the others are significant negative correlation) except SFCC.