Table 6.
Sclerotinia basal stalk rot tests of selected introgression lines derived from crosses with the wild sunflower species H. argophyllus and H. petiolaris at multiple locations of North Dakota and Minnesota from 2012 to 2015.
| Line/Plant ID | Disease incidence (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean | 2015 (BC2F5) | 2014 (BC2F4) | 2013 (BC2F4/F3) | 2012 (BC2F3) | ||||
| Grandin | Carrington | Grandin | Carrington | Crookston | Carrington | Crookston | ||
| Cargill 270 (S-check) | 36.1 | 10.0 | 17.6 | 34.6 | 37.4 | 72.6 | 45.0 | 24.6 |
| HA 89 (recurrent parent) | 31.0 | 4.9 | 18.6 | 31.8 | 39.5 | 51.6 | 22.3 | 25.0 |
| HA 441 (R-check) | 19.5 | 2.1 | 3.8 | 29.7 | 6.8 | 28.6 | 39.2 | 27.8 |
| Croplan 305 (R-check) | 11.6 | 2.1 | 1.9 | 11.2 | 7.9 | 34.9 | 14.7 | 10.0 |
| H.arg 1/14-1562 | 3.0 | 0.0 | 0.0 | 2.5 | 3.3 | 9.3 | 0.0 | 0.0 |
| H.arg 2/14-1563 | 3.2 | 0.0 | 0.0 | 7.2 | 4.2 | 4.8 | NA | NA |
| H.arg 3/14-1565 | 0.8 | 0.0 | 0.0 | 2.8 | 0.0 | 0.0 | NA | NA |
| H.arg 4/14-1568 | 7.2 | 2.1 | 4.4 | 10.5 | 9.1 | 0.0 | 0.0 | 0.0 |
| H.arg 5/14-1570 | 7.7 | 0.0 | 10.0 | 13.4 | 4.6 | 6.1 | NA | NA |
| H.arg 6/14-1573 | 1.9 | 0.0 | 0.0 | 3.7 | 0.9 | 3.3 | NA | NA |
| H.pet 1/14-010 | 2.5 | 0.0 | 3.0 | NA | NA | 5.6 | 0.0 | 0.0 |
| H.pet 2/14-1555 | 4.4 | 1.9 | 2.8 | 13.2 | 3.5 | 4.0 | 0.0 | 0.0 |
| Mean | 10.7 | 1.9 | 5.2 | 14.6 | 10.7 | 18.4 | 15.2 | 10.9 |
| LSD (0.05) | 7.8 | 4.3 | 11.6 | 13.0 | 9.2 | 16.1 | 13.2 | 14.9 |
NA, not available.