Chemical Identity and Functional Characterization of Semiochemicals That Promote the Interactions between Rice Plant and Rice Major Pest <i>Nilaparvata lugens</i>

The interaction between food crops and insect pests is mediated by semiochemicals emitted from host plants. These are natural behavioral modifiers act on the olfactory system to locate hosts preys. In this study, eight rice neuroactive were identified varieties GC–EAG GC–MS. Their ability modify pest behaviors was further studied as individual chemicals physiologically relevant blend. total amount of each semiochemical expression their biosynthesis genes significantly higher in susceptible variety than pest-resistant upregulated infestation Nilaparvata lugens (BPH). uninfested plants (UIRVs) more attractive BPHs. Interestingly, attractiveness UIRVs reduced addition blend that mimics composition these infested (IRVs). Our study suggests a mechanism for spread nearby. initially serve signals pests. changes profile be less or even repellent, which pushes colonization can used crop protection based push–pull strategy.