Importance

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Abstract

A method and device for applying pesticides to growing plants or portions of plants is described in which an area to be protected is enclosed and a small amount of pesticide contained in a packet is placed within the enclosure. The packet protects the pesticide from loss or destruction by water and permits pesticide vapors to escape at a rate sufficient to make the enclosed area untenable to certain pests for an extended period of time. The packet is preferably made from low density polyethylene, an ethylene-vinyl acetate copolymer or a combination of the two, and the pesticide is preferably a diethyl phosphorothioate insecticide. In the preferred embodiment of the device, the device also acts as an insulator and includes liquid receiving pockets to act as 'heat sinks' to protect the trunk from below freezing temperatures.

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First Claim