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Member Symposium

Plant-Insect Ecosystems

Physiology, Biochemistry, and Toxicology

Recent Advancement and Innovation in Microbial Biocontrol with Entomopathogens

Potential of bacterial bioactive compounds in pecan crop protection

Wednesday, November 12, 2025

11:25 AM - 11:45 AM Pacific

Location: Oregon Convention Center, E146, OCC

Presenting Author(s)

Shaohui Wu

Assistant Professor
The Ohio State University
Columbus, Ohio

Co-Author(s)

Shane Moran (he/him/his)

Graduate Research Associate
The Ohio State University
Indiana, Pennsylvania
DS

David Shapiro-Ilan (he/him/his)

USDA-ARS
Byron, Georgia
CC

Charles L. Cantrell

USDA-ARS, Natural Products Utilization Research Unit
University, Mississippi
JS

Jason Schmidt

University of Georgia
Tifton, Georgia
MT

Mike Toews

University of Georgia
Tifton, Georgia
CB

Clive H. Bock

USDA-ARS, US Horticultural Research Laboratory
Ft. Pierce, Florida

The bacteria Photorhabdus spp. and Xenorhabdus spp., symbionts of entomopathogenic nematodes Heterorhabditis spp. and Steinernema spp., respectively, produce bioactive compounds with insecticidal and antibiotic properties. In previous laboratory studies, P. luminescens and X. bovienii were found to have insecticidal effects on pecan aphids and suppress several pecan pathogens, while being safe to lady beetles. However, their field efficacy in pecan pest and disease suppression and range of activities were unknown. This presentation will share research updates on the potential of these bacterial symbionts and their bioactives in pecan crop protection as well as their non-target effects on beneficial arthropods.