Development of Transgenic Papaya through Agrobacterium-Mediated Transformation

Table 1

Transformation efficiency and GUS activities of hypocotyls and immature zygotic embryos of Carica papaya cv. Shahi and Carica papaya cv. Ranchi infected by Agrobacterium tumefaciens strains LBA-4404.

Treatment	Survivability (%); (Mean ± SE)	Callus formation (%); (Mean ± SE)	No. of GUS positive response (%); (Mean ± SE)	No. of somatic embryos produced/explants; (Mean ± SE)	No. of regenerated plantlets/explants; (Mean ± SE)
C. papaya cv. Shahi
Hypocotyls	6.83 ± 0.26	42.41 ± 2.72	27.48 ± 1.40	8.41 ± 0.65	5.36 ± 0.47
Zygotic embryos	5.50 ± 0.21	34.46 ± 1.12	20.06 ± 0.93	6.53 ± 0.60	3.38 ± 0.60
C. papaya cv. Ranchi
Hypocotyls	4.73 ± 0.32	38.80 ± 0.79	22.80 ± 1.50	7.60 ± 0.49	4.06 ± 0.35
Zygotic embryos	4.50 ± 0.15	28.90 ± 1.64	28.90 ± 1.64	4.43 ± 0.45	2.11 ± 0.17