Table 1 Effects of population and pollination treatment on fruit set in S. carniolica analyzed using a beta regression GLM with a logit link function. Estimates are expressed relative to the cross- pollination (treatment 4), which served as the reference category.

From: The sexual reproductive strategy in clonal Scopolia carniolica is based on obligatory cross-pollination and self-incompatibility

Predictor

Estimate

Std. Error

z-value

p-value

Significance

(Intercept)

0.455

0.165

2.754

<0.01

**

Population: P-population

0.127

0.130

0.973

0.331

ns

Treatment 2: induced self-pollination

−2.306

0.468

−4.926

<0.001

***

Treatment 3: geitonogamus pollination

−1.015

0.256

−3.972

<0.001

***

Treatment 5: induced cross-pollination

−0.185

0.184

−1.001

0.317

ns

Treatment 6: supplemental cross-pollination

−0.936

0.230

−4.070

<0.001

***

  1. Significance codes: *** p < 0.001, ** p < 0.01, ns = not significant. Note: estimates for spontaneous self-pollination (treatment 1) are not available as no fruit set was observed after this treatment.
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