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Biological Control of Weeds

OPB | Feb. 1, 1999 7:30 p.m.

Weed-eating insects are increasingly being used as means of controlling unwanted, invasive plants. The method is proving to be effective against some species such as the star thistle. However there remain concerns about the potential unintended consequences of introducing non-native insects to Oregon.

First Broadcast: 1999
Producer: Eric Cain

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