Table 1.
Source populations for the Raphanus raphanistrum used in this study
| Population | State | Co-ordinates | Experiment |
|---|---|---|---|
| Chateau Tahbilk | Victoria | 36·83°S, 145·22°E | 1, 2 |
| Tooleen | Victoria | 36·70°S, 144·73°E | 1, 2 |
| Dimboola | Victoria | 36·43°S, 142·07°E | 2 |
| Yuna | Western Australia | 28·31°S, 115·03°E | 3 |
| Curyo | Victoria | 36·00°S, 143·27°E | 3, 4 |
| Hopetoun | Victoria | 35·70°S, 142·10°E | 5, 6 |
| Bundoora | Victoria | 37·72°S, 145·04°E | 3 |
| Burnley | Victoria | 37·50°S 145·01°E | 7, 8 |
Fruits collected from all populations were regarded as typical of the species in the region and its within-population variation, with no clear visual differences between collections. All fruits were collected at maturity, when they were dry, brown and easily broken into sections.