作者: Nannan Lv , Xiwu Gao , Kangsheng Ma , Qiuling Tang , Jin Xia
DOI: 10.1016/J.PESTBP.2019.04.009
关键词:
摘要: Aphis gossypii Glover is an economically important pest of numerous crops throughout the world. Some field populations A.gossypii in China have developed moderate level resistance to sulfoxaflor, a newly released sulfoximine insecticide for management sap-feeding pests. To evaluate effect sulfoxaflor on fitness cost A. gossypii, life history traits sulfoxaflor-resistant strain (SulR) and isogenic susceptible (SS) were compared using age-stage, two-sex table approach. The results showed that resistant had reduction (relative = 0.917), along with significantly decreases longevity, fecundity, net reproductive (R0), mean generation time (T) gross rate (GRR). Compared strain, SulR showing shorter developmental duration each nymph instar stage. Moreover, adult pre-oviposition period (APOP) total preoviposition (TPOP) also than strain. Investigation six development reproduction related genes indicated EcR, USP JHBP overexpressed while mRNA transcript Vg was decreased These suggest there associated different expression USP, JHBP, may play very role this trade-off.