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Selection for resistance to acetamiprid and various other insecticides in the diamondback moth, Plutella xylostella (L.) (Lep., Plutellidae)
Author(s) -
Ninsin K. D.
Publication year - 2004
Publication title -
journal of applied entomology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.795
H-Index - 60
eISSN - 1439-0418
pISSN - 0931-2048
DOI - 10.1111/j.1439-0418.2004.00870.x
Subject(s) - acetamiprid , plutella , cartap , diamondback moth , biology , plutellidae , toxicology , cross resistance , larva , pesticide , botany , imidacloprid , genetics , agronomy
A diamondback moth (DBM) colony (KOBII) originally collected from cabbage fields of Iwaoka‐cho in Kobe City, Japan, where acetamiprid is the primary insecticide for DBM control was selected for studies on resistance to acetamiprid, phenthoate, esfenvalerate and cartap, using the leaf‐dipping method. Resistance to acetamiprid was slow to develop in KOBII compared with the other insecticides. Three selection experiments each with phenthoate and esfenvalerate yielded a resistance ratio (RR) of 140 and 222, respectively, in the selected strains compared with a part of KOBII that was not exposed to any insecticide (KOBII‐NS). Three selection experiments with cartap also gave an RR of 15. However, six selection experiments with acetamiprid yielded an RR of just 9.5 in the selected strain. When cross‐resistance to acetamiprid was evaluated, the cartap‐resistant strain showed a moderate level of cross‐resistance to acetamiprid. In the case of the phenthoate‐resistant strain, a very low cross‐resistance to acetamiprid was observed. There was however no discernible cross‐resistance to acetamiprid in the esfenvalerate‐resistant strain.