Role of Sorghum Extract in Eliciting Oviposition on a Nonhost by the Sorghum Shootfly, Atherigona soccata Rondani (Diptera: Muscidae)
Saxena, K. N
Bentley, M. D
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The role of chemicals of sorghum plants in stimulating oviposition by the sorghum shootfly, Atherigona soccata Rondani, was investigated using the acetone extract of the susceptible sorghum CSH-1, which elicits high ovipositional response. Maize, not a host plant, treated with acetone extract of CSH-1 elicited as much egg-laying by the sorghum shootfly as did CSH-1. The activity of the extract on maize lasted for the maximum test period of 5 d. Results of these studies demonstrate the potential of the host-plant-produced oviposition stimulants for manipulating the ovipositional behavior of the sorghum shootfly as a strategy for the control of the pest.