Ovipositional Deterrent in the Sweet Pepper,Capsicum annuum, at the Mature Stage againstLiriomyza trifolii(Burgess)

Authors:
  • YHYoh Horibata
    Yoh Horibata
  • DMDaniel Bisrat Mekuria
    Daniel Bisrat Mekuria
  • STShin-Ich Tebayashi
    Shin-Ich Tebayashi
  • CKChul-Sa Kim
    Chul-Sa Kim

Abstract
Liriomyza trifolii (Burgess), the American serpentine leafminer fly, is well known as a serious pest throughout the world. This insect attack over 21 different plant families including solanaceae plants. The mature sweet pepper, Capsicum annuum (Solanaceae), however, shows resistance to this leafminer fly. This resistance is based on the ovipositional deterrent in the sweet pepper leaf against the fly species. Based on bioassay-guided fractionation, luteolin 7-O-beta-D-apiofuranosyl-(1-->2)-beta-D-glucopyranoside was isolated and identified as the ovipositional deterrent against this insect species. This compound completely deterred L. trifolii females from laying their eggs on a host plant leaf treated at 4.90 microg/cm2.

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