Table 2. Field response indices (RIs) of plum curculio adults to odor compounds at concentrations of 5 %. and 0.5% in mineral oil.

Compound
Experiment 1

(5%)
Experiment 2
5%
0.5%

Benzaldehyde
13

 

 

Benzonitrile
33

 

 

Biphenyl
-27

 

 

Diphenyl methane
0

 

 

Ethyl acetate
9

 

 

Ethyl butyrate
14

 

 

Ethyl isovalerate
71*
80*
50

2-Hexenal
8

 

 

2-Hexanol
-13

 

 

3-Hexanol
-67
25
20

2-Hexanone
-18

 

 

3-Hexanone
-39

 

 

3-Hydroxy-2-butanone
26

 

 

Isopropyl acetate
-13

 

 

Limonene
38*
100*
26

Linalool
10

 

 

2-Pentanol
-25

 

 

2-Propanol
-31

 

 

* Significantly different from zero at odds of 19 to 1.