Electronic silvicidal apparatus

Details Electronic silvicidal apparatus Electronic silvicidal apparatus

1980-06-02

1981-02-24

Bagwill, Robert E.

Plant husbandry

Electroculture, magnetoculture or electrocuting

47 58, A01M 2100

Patent

active

042519500

ABSTRACT:
There is disclosed electronic apparatus for devitalizing a band of cells girdling a tree trunk to cause the death of an unwanted tree or other plant, including a source of radio-frequency energy, and first and second r.f. electrical couplers to the stem or trunk of the plant or tree; preferably such couplers are flexible chains or the like and are caused to encircle the tree by a first actuator which closes jaws of a portable portion of the apparatus around the tree and a second actuator which draws the flexible couplers snug against the trunk of the tree. Death of the plant is believed caused primarily by devitalization of a band of cells girdling the stem of the plant and in particular the cambium cell layers are devitalized by being elevated in temperature by dielectric heating or induction heating effects.

REFERENCES:
patent: 2007879 (1935-07-01), Sefton
patent: 3935670 (1976-02-01), Pluenneke et al.

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