Systems for controlling plant and flower moisture...

A - Human Necessities – 01 – N

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A01N 3/02 (2006.01)

Patent

CA 2394484

The present invention relates to a system for controlling plant and flower moisture transpiration and thereby extending the period of time in which cut flowers can be displayed before senescence produces a flower which has exceeded its aesthetic value. The systems of the present invention comprise: a) a first component in the form of a solution, said solution applied to the surface of a plant or flower exposed to air, said first component comprising: i) from about 0.1 % to about 20 % by weight, of a polymer of copolymer comprising monomers having the formula (I) wherein each R1 is independently hydrogen, C1-C12 alkyl, C1-C12 alkoxy, phenyl, substituted phenyl, benzyl, substituted benzyl, carbocyclic, heterocyclic, and mixtures thereof; R2 is hydrogen, halogen, C1-C12 alkyl, C1-C12 alkoxy, phenyl, substituted phenyl, benzyl, substituted benzyl, carbocyclic, heterocyclic, and mixtures thereof; X is hydrogen, hydroxyl, halogen, -(CH2)mCH2OH, -(CH2)mCOR, -(CH2)mCH2OCOR', wherein R is -OR', -N(R')2, -(CH2)nN(R")2, and mixtures thereof; each R' is independently hydrogen, C1-C8 alkyl, C2-C8 hydroxyalkyl, -(CH2)nN(R")2, and mixtures thereof; wherein R" is independently hydrogen, C1-C4 alkyl, and mixtures thereof; the index m is from 0 to 6, the index n is from 2 to 6; ii) from about 0.01 % to about 5 % by weight, of a surfactant; iii) the balance carriers and other adjunct ingredients; and b) a second component comprising: i) from about 0.1 % by weight, of a source of energy; ii) from about 5 ppm by weight, of one or more antimicrobials; and iii) the balance carriers and adjunct ingredients; wherein said second component is dissolved in water to form a solution and into which solution is placed the plant or flower to be preserved.

La présente invention concerne un système servant à réguler la transpiration d'humidité chez une plante ou une fleur, et donc à prolonger la durée pendant laquelle des fleurs coupées peuvent être présentées avant de perdre leur valeur esthétique à cause du phénomène de sénescence. Les systèmes de l'invention comprennent: a) un premier élément sous forme de solution qu'on applique à la surface d'une plante ou d'une fleur exposée à l'air libre, ledit premier élément contenant: i) entre environ 0,1 et 20 % en poids d'un polymère issu d'un copolymère comprenant des monomères de la formule (I) dans laquelle chaque R?1¿ est indépendamment hydrogène, alkyle C¿1?-C¿12?, alkoxy C¿1?-C¿12?, phényle, phényle substitué, benzyle, benzyle substitué, carbocycle, hétérocycle, et leurs mélanges; R?2¿ est hydrogène, halogène, alkyle C¿1?-C¿12?, alkoxy C¿1?-C¿12?, phényle, phényle substitué, benzyle, benzyle substitué, carbocycle, hétérocycle, et leurs mélanges; X est hydrogène, hydroxyle, halogène, -(CH¿2?)¿m?CH¿2?OH, -(CH¿2?)¿m?COR, -(CH¿2?)¿m?CH¿2?OCOR' (R étant -OR', -N(R')¿2?, -(CH¿2?)¿n?N(R")¿2?), et leurs mélanges; chaque R' est indépendamment hydrogène, alkyle C¿1?-C¿8?, hydroxyalkyle C¿2?-C¿8?, -(CH¿2?)¿n?N(R")¿2?, et leurs mélanges; R'' est indépendamment hydrogène, alkyle C¿1?-C¿4?, et leurs mélanges; l'indice m est compris entre 0 et 6, l'indice n est compris entre 2 et 6; ii) entre environ 0,01 et 5 % en poids d'un tensioactif; iii) les supports d'équilibrage et autres ingrédients d'addition; et b) un second élément qui contient: i) à partir d'environ 0,1 % en poids d'une source d'énergie; ii) à partir d'environ 5 mg/l en poids d'un ou de plusieurs agents antimicrobiens; et iii) les supports d'équilibrage et autres ingrédients d'addition. Ledit second élément est dissous dans l'eau pour former une solution dans laquelle on place la plante ou la fleur qu'on veut préserver.

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