Table I.

Steps and efficiencies of producing transgenic seed

StepProductsTotalPercent Efficiency Relative to:
Previous StepCallus Events
Microprojectile bombardmentBombarded embryos86,675
SelectionResistant callus events after selection2,9583
Regeneration and transfer to greenhouseT0 plants1,1443939
Production of T1 seedFertile T0 plants producing T1 seed7666726