Preemergence weed control using natural herbicides

A - Human Necessities – 01 – N

Patent

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A01N 65/44 (2009.01) A01N 65/20 (2009.01) A01N 37/46 (2006.01) A01N 43/36 (2006.01) A01P 13/00 (2006.01) A01P 21/00 (2006.01) A01N 65/00 (2006.01)

Patent

CA 2144321

A method of selectively inhibiting growth of unwanted plants in a plot of soil is provided comprising the application of a plant protein hydrolysate to the plot of soil, prior to emergence of the unwanted plants and at a concentration of application which inhibits the growth of the unwanted plants. The invention further provides a composition useful as a selective preemergence herbicide comprising an effective amount of a peptide selected from the group consisting of Gln-Gln, Ala-Asn, Ala-Gln, Gly-Ala, Ala-Ala, Leu-Ser-Pro-Ala-Gln and mixtures thereof.

L'invention concerne un procédé servant à inhiber sélectivement la croissance de plantes nuisibles dans le sol et comprenant l'application au sol d'un hydrolysat de protéines végétales avant l'apparition hors du sol des plantes nuisibles, selon une concentration d'application inhibant leur croissance. L'invention concerne, de plus, une composition efficace en tant qu'herbicide sélectif avant apparition hors du sol et comprenant une quantité efficace d'un peptide sélectionné à partir du groupe constitué par Gln-Gln, Ala-Asn, Ala-Gln, Gly-Ala, Ala-Ala, Leu-Ser-Pro-Ala-Gln et leurs mélanges.

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