Evaluating a beneficial insect lure in sweet corn

Evaluating a beneficial insect lure in sweet corn

This material was first presented as an oral seminar: 

John Sedlacek, Karen Friley, Leslye Brent and Michael Bomford. 2009. Populations of Beneficial Insects in Organically Grown Sweet Corn Using Methyl Salicylate Based PredaLure® Insect Attractant. Association of Research Directors Annual Conference, Atlanta Georgia, March 30, 2009.

-- Download presentation slides (250 Kb pdf) --


Objective

Determine the effects of PredaLure® beneficial insect attractant on populations of beneficial insects in organically grown sweet corn.

Materials and Methods


Results

Lady Beetle Abundance Data

Lady beetle abundance on sticky traps in sweet corn plots with, and without PredaLure pheramone traps intended to attract beneficial insects. No significant differences were detected between treatments.

Predator Data

Big eyed bug (left) and green lacewing abundance on sticky traps in sweet corn plots with, and without PredaLure pheramone traps intended to attract beneficial insects. No significant differences were detected between treatments.

Discussion

Studies in hops in Washington have shown that the active ingredient of PredaLure attracts Asian lady beetle, seven spotted lady beetle and green lacewing. The lack of a significant treatment effect in this study may be due to inadequate separation between baited and unbaited plots or the low number of replicates. August heat may have resulted in rapid loss of the volatile active ingredient, methyl salicylate. This study should to be repeated in cooler weather, with greater separation between treatments, and with more replicates.

This study was repeated in 2009. Results for the 2009 season were presented at the 2010 Kentucky Fruit and Vegetable Conference (Download slides, 2.3 MB pdf).

Updated January 13, 2010

College of Agriculture, Food Science and Sustainable Systems