Table 4 Percentage of hybrids produced for unit types in plots of different size after pooling data over sampling dates
From: Reproductive isolation of a new hybrid species, Senecio eboracensis Abbott & Lowe (Asteraceae)
Unit type | S. eboracensis | S. eboracensis | S. vulgaris var. vulgaris | |
|---|---|---|---|---|
Central plant | S. squalidus | S. vulgaris var. vulgaris | S. eboracensis | |
Surround plants | ||||
No. progeny tested | 714 | 733 | 762 | |
Mean % hybrids produced | ||||
Small (single-unit plots) | 0.3 | 13.6 | 0.3 | |
Medium (two-unit plots) | 0 | 18.1 | 1.2 | |
Large (four-unit plots) | 0 | 23.1 | 3.0 | |
Mean | 0.10 (0.10)b | 18.26 (2.46)a | 1.51 (0.73)b | P *** |
