Variable

Parameter

Estimation

Standard error

p value

ψ

1 ψ (%)

Deviance (p value)

Intercept

β0

4.6810

0.1778

<0.0001

0.1605

Treatments

β1

−0.1312

0.0280

<0.0001

0.8771

12.29

Species

β2

−0.0026

0.1832

0.9890

0.9974

0.25

Dispersion

ϕ

2.3070