Ecological Archives A016-035-A2

Kristin L. Mercer, Ruth G. Shaw, and Donald L. Wyse. 2006. Increased germination of diverse crop–wild hybrid sunflower seeds. Ecological Applications 87:845–854.

Appendix B. Chi-square table of a multinomial regression of sunflower seed germination, dormancy, and death in the field experiment, 2002–2003. Maximum likelihood analysis included conventional crop–wild hybrid and wild seed from nine populations from the late greenhouse and early field seed sources.

Source
df
P
Intercept
2
1362.63
<0.0001***
Removal date
8
39.52
<0.0001***
Replication(Date)
20
30.03
0.0694~
Population
16
99.26
<0.0001***
Hybridization
2
312.71
<0.0001***
Pop × Hybrid
16
110.51
<0.0001***
Seed Source
2
15.75
0.0004***
Seed × Hybrid
2
69.16
<0.0001***

† The full analysis was also run with Pop × Seed and Pop × Hybrid × Seed in the model. Not withstanding structural problems with the model, the results indicated nonsignificant effects for both terms.

~ 0.05 < P < 0.10; * P < 0.05; ** P < 0.01; *** P < 0.001



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