Delivery of exogenous chemical substances to plant tissues

Details Delivery of exogenous chemical substances to plant tissues Delivery of exogenous chemical substances to plant tissues

A - Human Necessities

01

N

A01N 25/00 (2006.01) A01G 7/06 (2006.01) A01M 21/04 (2006.01)

Patent

CA 2196405

The present invention relates to an improved method for delivering an effective amount of exogenous chemical substance or substances to a plant or plants via non-woody living tissues thereof. Also disclosed are novel compositions which are particularly useful by the method of the invention, apparatus for delivering exogenous chemical substances by the method of the invention, and a leaf prepared by this invention. This invention involves the use of a propelled material to cause local physical injury to non-woody living tissues before, simultaneously with or after application of the exogenous chemical substance. Benefits of the enhanced delivery achieved by practice of the present invention include, but are not restricted to, lower use rates, better rainfastness and more rapid manifestation of the effect of the exogenous chemical substance.

La présente invention concerne un procédé d'apport amélioré d'une quantité efficace d'une ou de plusieurs substances chimiques exogènes à une ou plusieurs plantes, par l'intermédiaire de leurs tissus vivants non ligneux. On décrit, en outre, de nouvelles compositions qui sont particulièrement utiles dans le cadre du procédé de l'invention, un appareil pour administrer les substances chimiques exogènes par le procédé de l'invention et une feuille traitée suivant l'invention. Cette invention fait appel à la propulsion d'un matériau pour provoquer localement des blessures aux tissus non ligneux avant, pendant ou après l'application de la substance chimique exogène. Parmi les effets bénéfiques du procédé d'apport amélioré de la présente invention, on peut citer, de manière non limitative, une diminution des doses appliquées, une meilleure résistance à la pluie et une manifestation plus rapide de l'effet de la substance chimique exogène.

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