seeds from the non transformed plants is added to form the final product for release in production tobacco varieties are used as a recipient of transformation insect resistant genes of cry ia u2014 resistant to tobacco hawk moths cry ia b u2014 resistant to the tobacco hawk moths and cry ia c u2014 resistant to oriental tobacco budworm helicoverpa assulta are introduced into the recipient variety by transformation after transgenic plants comprising cry ia cry ia b cry ia c separately are produced three stable transgenic plant lines which are holistically consistent in agronomical traits are developed via pedigree selection these three lines are multiplied separately and their seeds are then mixed in a weight ratio of 3 1 1 cry ia to cry ia b to cry ia c finally 0 2 of the total number of seeds from the non transformed plants is added to form the final product for release in production tomato varieties are used as a recipient of transformation resistance genes of cry ia b u2014 resistant to lepidoptera insects bt u2014 resistant to tomato fruit pests and boring moths and bt cmv cp u2014 resistant to viral diseases are introduced into the recipient variety by transformation after transgenic plants comprising cry i a b bt and.