TABLE 5.
Distribution of the mating type alleles of Leptosphaeria maculans in field populations in France
| Scale group and geographic origin | Subpopulation(s) | nb | No. of alleles for mating typea:
|
|
|---|---|---|---|---|
| Mat1-1 | Mat1-2 | |||
| Field scale | ||||
| Grignon | P1-P4 | 82 | 49 | 33 |
| Le Rheu | P1-P4 | 81 | 34 | 47 |
| Oucques | P1-P4 | 82 | 48 | 34 |
| Versailles | P1-P4 | 63 | 34 | 29 |
| Leaf scale | ||||
| Oucques | FI | 50 | 22 | 28 |
| Versailles | FI | 8 | 2 | 6 |
| FII | 10 | 5 | 5 | |
| FIII | 7 | 4 | 3 | |
| FIV | 10 | 4 | 6 | |
| FV | 8 | 1 | 7 | |
| FI-FV | 43 | 16 | 27 | |
a
Whenever sample sizes were large enough to perform a χ2 test, mating type frequencies were not significantly different at P = 0.05.
b
n, number of isolates analyzed.