Table 1 Fungicide exposure, parental insecticide resistance genotype (RR/RS), and their interaction affect the survival (larva-to-adult, within 10 days before diapause, and winter survival) of the Colorado potato beetle, from Belchow and Vermont populations.

From: Fungicides modify pest insect fitness depending on their genotype and population

Population

Model

Larva-to-adult survival

Before diapause survival

Winter survival

Wald χ2

p

Wald χ2

p

Wald χ2

p

Belchow

parental genotype

5.22

0.022

0

0.999

2.18

0.139

fungicide exposure

10.40

0.001

0

0.999

1.65

0.199

parental genotype* fungicide exposure

0.06

0.808

0

0.999

4.00

0.046

Vermont

parental genotype

1.36

0.244

 < 0.01

0.936

0.33

0.566

fungicide exposure

0.96

0.328

0.21

0.646

1.62

0.204

parental genotype* fungicide exposure

0.50

0.480

0.19

0.663

0.02

0.877

  1. For statistics, parents were either homozygous (RR) or heterozygous (RS) for the S291G mutation in the acetylcholinesterase-2 gene. Significant results (p < 0.05) are shown in bold.
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