APPENDIX E 
Table 5. Experiments with plant host-vector systems 
Source of "foreign" DNA 
Phys ica 1 
conta i nment 
Species in which vector can replicate 
P2 
If harmful products possible 
P3 
Other species 
Foreign DNA purified { 99 %), and 
no harmful genes 
P2 
Foreign DNA not purified, and 
no harmful genes 
P3 
Foreign DNA contains harmful genes 
P4 
Appendix E — 31 
