Table 3.

Parameter estimates for the generalized lineal models on the production of fruits between emasculated and unmanipuled flowers under open-pollination conditions in four Werauhia species (Bromeliaceae: Tillandsioideae) in a montane forest, Cerros La Carpintera, Costa Rica. The reference categories are “emasculated” and “2020” for Treatment and Year, respectively.

Parameters by species	d.f.	Estimate	S.E.	Wald chi-square	P-value	Odds ratio	Confidence interval (95%)
W. ampla
Intercept	1	−1.16	0.26	−4.54	<0.001
Treatment	1	1.22	0.33	3.76	<0.001	3.40	1.80–6.44
Year	1	0.10	0.30	0.34	0.732	1.11	–
Treatment × year	1	0.03	0.39	0.09	0.929	1.03	–
Error	583
W. nephrolepis
Intercept	1	−1.29	0.20	−6.38	<0.001
Treatment	1	2.32	0.28	8.37	<0.001	10.17	5.9–17.51
Year	1	−0.17	0.25	−0.68	0.498	0.84	–
Treatment × year	1	0.48	0.35	1.38	0.164	1.62	–
Error	880
W. pedicellata
Intercept	1	−1.09	0.21	−5.24	<0.001
Treatment	1	0.28	0.29	0.99	0.321	1.33	–
Year	1	−0.44	0.26	−1.70	0.088	0.65	–
Treatment × year	1	1.12	0.34	3.28	0.001	3.07	1.57–6.01
Error	846
W. subsecunda
Intercept	1	−1.97	0.28	−7.16	<0.001
Treatment	1	2.48	0.32	7.68	<0.001	11.96	6.34–22.53
Year	1	0.37	0.34	1.09	0.278	1.45	–
Treatment × year	1	−0.09	0.42	−0.21	0.831	0.92	–
Error	614