abstract |
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. |