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United States Department of Agriculture

Agricultural Research Service

Title: "Built-In" Plant Protection: Screening Azalea Cultivars for Resistance to the Azalea Lace Bug, Stephanitis pyrioides

Authors
item Kirker, Grant
item Boyd, David - BOB JONES UNIVERSITY
item Pounders, Cecil
item Sampson, Blair
item Spiers, James

Submitted to: Ornamental Workshop on Diseases and Insects
Publication Type: Abstract Only
Publication Acceptance Date: October 14, 2008
Publication Date: November 14, 2008
Citation: Kirker, G.T., Boyd, D.W., Pounders Jr, C.T., Sampson, B.J., Spiers, J.M. 2008. "Built-In" Plant Protection: Screening Azalea Cultivars for Resistance to the Azalea Lace Bug, Stephanitis pyrioides. Ornamental Workshop on Diseases and Insects poster.

Technical Abstract: Azalea Lace bug (ALB) are a major pest of azaleas in the southeast. Adults and nymphs cause visible damage on the upper leaf surface. Host plant resistance to ALB provides “built-in” plant protection and allows for reduced dependency on pesticide applications for both growers and consumers. We have observed that “Fourth of July” (male seed parent of the Encore Autumn™ azalea series) appears resistant to ALB. In this study, 33 commercially available azalea cultivars were screened in laboratory bioassays to determine ALB preference to these selected cultivars . The rankings below are based on our results.

Last Modified: 12/18/2014
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