Patent ID: 7165357

Claim:
A method of controlling the spread of Japanese knotweed, comprising: storing fluid in an apparatus, wherein said apparatus has a fluid dispenser system with a fluid passage, a collared needle with a fluid delivery aperture in communication with the fluid dispenser system, and an actuator connected to the fluid dispenser system for actuating the transmission of fluid from the fluid dispenser system to the fluid delivery aperture; impaling both sides of the Japanese knotweed stem completely with said collared needle apparatus up to the collar to leave said fluid delivery aperture within a hollow core of the Japanese knotweed stem, wherein the fluid delivery aperture is disposed in the range of 0.3500 inches (8.88 mm) to 0.4500 inches (11.43 mm) from the collar along a distal length of the needle; and injecting the fluid through said fluid dispenser system and into and through said needle and out said fluid delivery aperture into the hollow core of said Japanese knotweed stem.