Diapositive 1

1
Pollen exchanges
adults/m²genotype proportions resulting from- 3
herbicide tolerance genes- 2 height genes- 1
flower morphology- 2 male sterility- 2 genes
for erucic acid- 2 genes for linolenic acid
Cropping system
seed exchanges
GENESYScropping system ? gene flow
(Colbach et al., 2001, 2005)