Table 1 Geographical origin of the accessions considered
| Â | Origin | Country | Number of accessions |
|---|---|---|---|
Africa | Â | Unspecified | 1 |
| Â | Â | Ethiopia | 1 |
| Â | Â | Malawi | 4 |
| Â | Â | South Africa | 2 |
| Â | Â | Zimbabwe | 4 |
America | South America | Unspecified | 5 |
| Â | Â | Argentina | 6 |
| Â | Â | Brazil | 6 |
| Â | Â | Peru | 1 |
| Â | Central America & Caribbean | Colombia | 8 |
| Â | Â | Costa Rica | 7 |
| Â | Â | Cuba | 4 |
| Â | Â | Dom. Rep. | 2 |
| Â | Â | Ecuador | 2 |
| Â | Â | El Salvador | 2 |
| Â | Â | Honduras | 2 |
| Â | Â | Mexico | 14 |
| Â | Â | Venezuela | 10 |
| Â | North America | Canada | 1 |
| Â | Â | U.S.A. | 69 |
Eurasia | Europe | Â | Â |
| Â | Â | Bulgary | 3 |
| Â | Â | England | 1 |
| Â | Â | France | 1 |
| Â | Â | Germany | 8 |
| Â | Â | Greece | 9 |
| Â | Â | Holland | 1 |
| Â | Â | Hungary | 1 |
| Â | Â | Poland | 3 |
| Â | Â | Spain | 2 |
| Â | Â | Switzerland | 2 |
| Â | Â | Ex-Yugoslavia | 5 |
| Â | India | Â | 2 |
| Â | Russia | Â | 1 |
| Â | Middle East | Iran | 2 |
| Â | Â | Syria | 1 |
| Â | Â | Turkey | 15 |
| Â | Far East | China | 1 |
| Â | Â | Japan | 3 |
| Â | Â | Taiwan | 1 |
| Â | Southeast Asia | Ceylon | 1 |
| Â | Â | Indonesia | 1 |
| Â | Â | Korea (Peninsula) | 1 |
| Â | Â | New Guinea | 1 |
| Â | Â | Philippines | 2 |
Unknown | Â | Â | 93 |
Total | Â | Â | 312 |