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Overwintering of S. bicolor x S. halepense BC1F1-derived BC1F2 families is related to rhizomatousness.
| a: 2013-4, Bogart, GA, χ2 = 8.84, 1 d.f., p = 0.001. | ||
| Rhizomes | No rhizomes | |
| Survived | 24 | 1 |
| Died | 159 | 77 |
| b: 2014-5, Bogart, GA, χ2 = 3.10, 1 d.f., p = 0.08. | ||
| Survived | 116 | 28 |
| Died | 76 | 31 |
