Lectec Corporation

Michael F Shelton

David Rolf

The invention provides a method of preserving the life of girdled plants, such as trees, shrubs or flowering plants, comprising applying to the girdled area a wrap composed of a flexible tape backing formed from a water insoluble polymeric sheet, e.g., nonwoven fabric, suited for being wound into a roll or dispensed as cut sheets. To the backing is applied a homogeneous, hydrophilic, stable matrix. The matrix is hydratable by atmospheric moisture, has a bonding surface which conforms to the contours of the plant, and is sufficiently tacky to hold the tape in place after being wrapped around the plant. The matrix includes (a) a liquid phase comprising a hydrophilic, polar, water-miscible liquid for plasticizing the matrix and (b) a water soluble or water swellable hydrophilic film-forming polymer uniformly admixed with said liquid to form a flexible matrix. The matrix serves as a reservoir which is easily hydrated and will swell in a humid environment to assist in carrying plant fluids through the girdled area to thereby preserve the life of the plant.

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Edina, MN, United States of America

Michael F Shelton