O 2.5 



u 



<-> 1.5 



S 



0.5 

 



P 2-5 



U 



a 

 u 

 ca 



Z 



PYRAMID TRAPS 



■ BAITED 

 D UNBAITED 



-Uli^^ll 



3 



5 2 

 (J 1.5 



z 



0.5 

 





ll 



DEC+GA BEN+GA HA+GA LIM+GA HV+GA CA 



BAIT TREATMENT 



._^I1 



T2H+GA DEC+GA 



CYLINDER TRAPS 



■ BAITED 

 D UNBAITED 



+GA BEN+GA HA+GA Ll.M+GA ElV+GA GA 



BAIT TREATMENT 



CIRCLE TRAPS 



■ BAITED 

 D UNBAITED 



^JLL 



■^ r 



BEN+GA HA+GA LIM+GA 



BAITTREATMirvT 



ALL TR.\PS 



EI\+GA GA 



BAITED 



BAIT TREATMENT 



Figure 2. Captures of overwintered plum curculios by odor-baited traps placed beneath 

 or within canopies of perimeter apple trees in commercial orchards from May 1-June 27, 

 2000. No significant differences at odds of 19:1 were detected for any paired compari- 

 sons involving an odor-baited treatment and its corresponding unbaited treatment. T2H= 

 trans-2-hexenal, DEC= decanal, BEN= benzaldehyde, HA= hexyl acetate, LIM= limonene, 

 EIV= ethyl isovalerate, GA= grandisoic acid 



Fruit Notes, Volume 65, 2000 



33 



