Negatively charged chitosan derivative semiochemical...

Details Negatively charged chitosan derivative semiochemical... Negatively charged chitosan derivative semiochemical...

A - Human Necessities

01

N

A01N 25/34 (2006.01) A01N 25/18 (2006.01) A01N 49/00 (2006.01)

Patent

CA 2223618

The present invention features a method and composition for attracting a target insect to a selected location. The invention is based on the discovery that negatively charged chitosan polymers, e.g., NOCC, have advantageous properties for use in a semiochemical delivery system for releasing a volatile semiochemical at a substantially sustained rate over an extended period of time to attract a target insect to a selected location. The present invention may be used for monitoring a target insect by capturing the insect. Alternatively, the present invention may be used for the management of a target insect by disrupting mating patterns of such insects.

La présente invention a pour objet un procédé et une composition pour attirer un insecte cible vers un emplacement sélectionné. L'invention se fonde sur la découverte selon laquelle les polymères de chitosane à charge négative, par exemple, du NOCC, présentent des propriétés avantageuses permettant leur utilisation dans un système de distribution d'un composé sémiochimique volatil, à un débit sensiblement soutenu, sur un laps de temps prolongé, pour attirer un insecte cible vers un emplacement sélectionné. Par ailleurs, l'invention peut également être utilisée pour lutter contre un insecte cible en modifiant les modes d'accouplement de ces insectes.

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