Agriculture Reference
In-Depth Information
Table 10.6. Mean values of Senecio vulgaris traits from different habitats, observed in a common garden
Days to first
Days to first
Days from first anthesis
Plant height
Total capitula at
Proportion dead
Habitat
anthesis
fruiting
to first fruiting
(mm)
first fruiting
by day 103
Mean over three populations from each of five habitat types
Botanic gardens
37.5
51.7
14.2
203
39.1
0.81
Field margins
42.9
60.3
17.4
281
39.6
0.12
Inland sand
43.5
61.3
17.8
219
42.3
0.16
Coastal sand
43.2
60.9
17.6
237
38.0
0.18
Shingle beaches
47.2
67.1
19.9
213
32.6
0.06
Mean values for two nearby populations from contrasting habitats
Field margin
42.7
59.7
17.0
290
47.5
0.13
Shingle beach
47.8
68.4
20.6
170
33.7
0.13
Source: Theaker & Briggs (1993).
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