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Disruption of responses to pheromone by ( Z )‐11‐hexadecenyl trifluoromethyl ketone, an analogue of the pheromone, in the cabbage armyworm Mamestra brassicae
Author(s) -
Renou Michel,
Berthier Andrée,
Guerrero Angel
Publication year - 2002
Publication title -
pest management science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.296
H-Index - 125
eISSN - 1526-4998
pISSN - 1526-498X
DOI - 10.1002/ps.534
Subject(s) - pheromone , electroantennography , sex pheromone , biology , pest analysis , mating disruption , stereochemistry , horticulture , botany , chemistry
The effects of ( Z )‐11‐hexadecenyl trifluoromethyl ketone (Z11‐16:TFMK) a fluorinated pheromone analogue, on the responses to sex pheromone of the male cabbage armyworm, Mamestra brassicae , have been investigated in an actograph and by electroantennography (EAG). In spite of its structural proximity with the natural pheromone, Z11‐16:TFMK was poorly active in EAG, and not active on male behaviour. When permeated in the air, Z11‐16:TFMK reversibly inhibited the electroantennographic responses to ( Z )‐11‐hexadecenyl acetate (Z11‐16:Ac), the main component of the sex pheromone. In the actograph, the latency of the activation was increased and the intensity of the behavioural activity of males in response to Z11‐16:Ac was significantly reduced in the presence of Z11‐16:TFMK. These results, along with others previously reported by us, provide new pointers to the possible use of Z11‐16:TFMK in pest‐control strategies. © 2002 Society of Chemical Industry