Fig. 6

Transformed Chinese cabbage microspores and embryos with a GUS blue color. a Transformed microspores using the 4 times—900 psi—3 cm parameter; b Transformed microspores using 4 times—1100 psi—3 cm; c Transformed microspores using 4 times—1350 psi—3 cm; d CK microspores without transformation; e Transformed embryos using 4 times-900 psi-6 cm; f Transformed embryos using 4 times—900 psi—9 cm; g Transformed embryos using 4 times—1350 psi—9 cm; h CK embryos without transformation. Scale bar = 20 μm