DEVELOPING SEMIOCHEMICAL TOOLS FOR A NEW PUTATIVE POSTHARVEST SEED CROP, SILPHIUM INTEGRIFOLIUM

Objective 1A: Link trap captures of E. giganteana to plant vigor and/or pest phenology and GDD Objective 1B: Develop trap-based threshold or GDD model for E. giganteana to guide management of insecticides Objective 2A: Identify sex pheromone for E. giganteana. Objective 2B: Elucidate mechanism for mating disruption in E. giganteana in laboratory and field. Objective 2C: Field validation of mating disruption of E. giganteana in Silphium.