Fig. 4.

Difference in cell size and relative expression level of cell expansion-related genes between NILs of qTGW2b and qGL9 a SEM observation on the lemma of NIL(BL130^qTGW2b). b SEM observation on the lemma of NIL (J23B^qTGW2b). c Cell length difference between NILs of qTGW2b. d Cell width difference between NILs of qTGW2b. e qRT-PCR analysis of cell expansion-related genes in NILs of qTGW2b. f SEM observation on the lemma of NIL(BL130^qGL9). g SEM observation on the lemma of NIL (J23B^qGL9). h Cell length difference between NILs of qGL9. i Cell width difference between NILs of qGL9. j qRT-PCR analysis of cell expansion-related genes in NILs of qGL9. * and ** mean significant differences at P < 0.05 and P < 0.01, respectively, Student’s t tests