Table 1. Summary of transformation experiments of five maize genotypes using the biolistic gene gun.

Exp. No.	Maize Genotype	Source of immature embryos	Number of bombarded immature embryos	Number of regenerated transgenic plants shoots regenerated
1	A188	Field	211	11ab
2	Gz639	Field	280	12a
3	Gz649	Field	400	10bc
4	Gz624	Field	80	8d
5	Gz650	Field	80	9.0cd

Numbers with the same letters are not significantly different at 5%.