Table 2 Swede midge (Contarinia nasturtii) choice data. Lower and upper refers to the 95% confidence intervals on the odds ratios from binomial logistic regressions on choice data for each treatment.

From: Odors from phylogenetically-distant plants to Brassicaceae repel an herbivorous Brassica specialist

Plant

Lower

Upper

Odds Ratio

P

Peppermint

0.598

2.43 × 103

>107

<0.001

Marjoram

0.212

0.987

4

NS

Wormwood

0

1.37

NA

NS

Wintergreen

0.212

1.37

6

NS

Thyme

3.37

2.43 × 103

>107

<0.001

Caraway

NA

NA

NA

NA

Eucalyptus

0.212

0.212

1

NS

Star Anise

0.987

2.68

5

<0.001

Oregano

0.598

2.68

9

<0.001

Spearmint

0.987

1.75

2

<0.001

Eucalyptus Lemon

0.987

2.43 × 103

>107

0.013

Lemongrass

1.37

1.75

1.5

<0.001

Cinnamon

−1.37

−2.18

0.45

<0.001

Garlic

0.212

1.37

6

<0.001

  1. The P values represent the test statistic from Hotelling’ T2 tests. Significant P values (P < 0.05) indicate that proportions of larvae on treated versus untreated plants are significantly different. Treated plants were, in general, less preferred by gravid females.
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