Field, semi-field and greenhouse testing of HOOK SWD, a SPLAT-based attract-and-kill formulation to manage spotted-wing drosophila
Por:
Urbaneja-Bernat, Pablo, Holdcraft, Robert, Hernandez-Cumplido, Johnattan, Rhodes, Elena M., Liburd, Oscar E., Sial, Ashfaq A., Mafra-Neto, Agenor, Rodriguez-Saona, Cesar
Publicada:
1 dic 2022
Ahead of Print:
1 sep 2022
Resumen:
Native to Southeast Asia, the spotted-wing drosophila (Drosophila
suzukii) has become a major pest of small fruit crops in the Americas
and Europe because females can oviposit in ripening fruit. Currently, D.
suzukii management relies heavily on chemical control; thus, more
sustainable approaches like attract-and-kill need to be evaluated to
reduce insecticide use. In previous studies, HOOK SWD, an
attract-and-kill product that combines attractants, phagostimulants and
an insecticide (spinosad), showed promise for D. suzukii control; still,
little is known about its performance under field conditions and under
varying pest and host-fruit densities, as well as its residual activity.
Here, we evaluated the efficacy of HOOK SWD when applied in commercial
blueberry farms, when deployed in semifield cages under different D.
suzukii adult and fruit densities and when aged for 30 days in the
greenhouse. Results from field experiments showed that HOOK SWD could
reduce fruit infestation in blueberry farms; however, its efficacy
varied in space and time. Semifield cage studies revealed that
relatively high densities of both D. suzukii adults and fruit can reduce
the effectiveness of HOOK SWD, which might explain the variation in its
efficacy in the field. Ageing HOOK SWD in a greenhouse for at least 30
days yielded no significant decrease in insecticidal activity.
Altogether, these studies show that HOOK SWD can potentially suppress D.
suzukii populations in the field, but it should be used as part of an
integrated pest management program instead of a stand-alone control
tool, especially under high pest and fruit densities.
Filiaciones:
Urbaneja-Bernat, Pablo:
Rutgers State Univ, Philip E Marucci Ctr, Chatsworth, NJ USA
Holdcraft, Robert:
Rutgers State Univ, Philip E Marucci Ctr, Chatsworth, NJ USA
Hernandez-Cumplido, Johnattan:
Univ Nacl Autonoma Mexico, Dept Ecol & Recursos Nat, Ciudad De Mexico, Mexico
Rhodes, Elena M.:
Univ Florida, Dept Entomol & Nematol, Gainesville, FL 32611 USA
Liburd, Oscar E.:
Univ Florida, Dept Entomol & Nematol, Gainesville, FL 32611 USA
Sial, Ashfaq A.:
Univ Georgia, Dept Entomol, Athens, GA USA
Mafra-Neto, Agenor:
ISCA Technol Inc, Riverside, CA USA
Rodriguez-Saona, Cesar:
Rutgers State Univ, Philip E Marucci Ctr, Chatsworth, NJ USA
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