Jin-Hua Shi, Ze Sun, John A Pickett, Xin-Jun Hu, Chao Wang, Le Liu, Huanan Jin, Hazem Abdelnabby, Caroline Ngichop Foba, Xue-Qing Yang, Xiang-Qian Chang, Man-Qun Wang
Female insects oviposit in sites suitable for the development of their offspring. The Oriental armyworm, Mythimna separata is a serious pest of various crops including wheat and prefers to oviposit on withered leaves rather than on fresh plant material, which is surprisingly different from other insects. Studies here showed that this oviposition tactic enables avoidance of wheat defence against eggs and emerged larvae. Intact plants responded to M. separata egg deposition by releasing oviposition-induced plant volatiles including acetophenone, tetradecene and pentadecane after 24 h...
October 8, 2023: Plant, Cell & Environment