SIERRA CLUB — BIOLOGICAL CONTROLS OF NON-NATIVE INVASIVE PLANTS — MACRO WORLD — PLANET EARTH OUR HOME group

PLANET EARTH OUR HOME is our flagship group with over 12,000 members and over 819,000 photos and videos.

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garlic mustard

Of the 15 top non-native invasive plant species in the mid-Atlantic region four (Purple Loosestrife, Mile-a-minute, Japanese Knotweed, and Garlic Mustard) now have one or two non-native insects or fungi that feed on them being released that are host specific and effective. Since the new rules of proving host specificity went into effect about 20 years ago, the problem of bio-controls harming non-target organisms has gone down to 3% of its earlier rate. With adequate research we can find bio-controls for about 30 percent of our non-native invasive plant species and reduce our work for traditional removal of non-native species by labor-intensive cut, pull and spray.

Top Contributors

John Horstman (itchydogimages, SINOBUG)alpenglowtravelersDiegojack–MARCO POLO–tucker.tterence

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