10 – TABLE OF CONTENTS
Figure 3.28. Oilseed rape (B. napus) production regions in Europe showing millions
of hectares of winter rape per country ............................................................................... 180
Figure 3.29. Areas and concentration of B. napus production by Australian government
districts .............................................................................................................................. 182
Figure 3.30. Major production region of oilseed mustard (B. juncea) and toria (B. rapa) on
the Indian sub-continent .................................................................................................... 1 83
Figure 3.31. Phylogenetic tree for the subtribe Brassicinae, based on PAUP analyses of the
chloroplast DNA restriction site/length mutations shared by two or more
taxa/accessions .................................................................................................................. 191
Figure 3.32. Evolutionary geography of B. juncea, B. carinata and Sinapis alba ................................ 192
Figure 3.33. Distribution of wild “species” of B. oleracea in 1990 ...................................................... 194
Figure 3.34. Dispersal of the B. napus species from a proposed centre of origin ................................. 195
Figure 3.35. Typical flower of B. napus ................................................................................................ 198
Figure 3.36. Outcrossing percentages as affected by distance from the pollen source .......................... 200
Figure 3.37. Development stages of the Brassica napus zygotic embryo ............................................. 206
Figure 3.38. Distinguishing Brassica species by their seed coat characteristics ................................... 208
Figure 3.39. Illustration of major events in the evolution of selected Brassica species and
Arabidopsis thaliana ......................................................................................................... 213
Figure 3.40. Glucosinolate chemical structure and enzymatic breakdown products formed
in broken Brassica plant cells with moisture .................................................................... 229
Figure 3.41. Canola oil compared to other edible vegetable oils as to total saturated fat
content and other fatty acids .............................................................................................. 23 4
Figure 3.42. Breeding scheme combining the backcross and pedigree selection systems to
develop a low erucic, low glucosinolate variety with high seed and oil yield .................. 238
Figure 3.43. Breeding scheme for development of commercial synthetic varieties of
oilseed Brassica crops ....................................................................................................... 239
Figure 3.44. Self-incompatability scheme for breeding cabbage hybrid seed production ..................... 240
Figure 3.45. Production system for cytoplasmic male sterile hybrid seed of oilseed rape .................... 241