Chapter 4 – BIOLOGICAL CONTROL - Invasive
Biological Control 4.4 Weed Control Methods Handbook, The Nature Conservancy, Tu et al. Galerucella spp. reduced above ground purple loosestrife biomass from 2,000g/m2 to less than 20g/m2 in 4 years (The Ontario Biological Control Program, 1998). Additional studies found that at high Galerucella densities (200 larvae/plant), plants were entirely ...
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FACT SHEET JAPANESE STILTGRASS - Invasive.Org
www.invasive.org9 April 2007 Page 1 of 4 Plant Conservation Alliance®s Alien Plant Working Group
Weed Control Methods Handbook: Tools & Techniques for …
www.invasive.orgManual & Mechanical Techniques 1.1 Weed Control Methods Handbook, The Nature Conservancy, Tu et al. Manual and mechanical techniques such as …
FACT SHEET COMMON MULLEIN - Invasive
www.invasive.orgglyphosate (e.g., Roundup®) or triclopyr (Garlon®) and water plus a non-ionic surfactant, using a tank or backpack sprayer to thoroughly cover all leaves. Do not apply so heavily that the herbicide drips off the leaf surface. Use caution as glyphosate is a non-selective herbicide that may kill desirable plants even if partially contacted by ...
Plant Invaders of Mid-Atlantic Natural Areas
www.invasive.orgInvasive Plant Atlas of the United States (see References). As of this printing, the Invasive Plant Atlas shows 1,173 plants having been reported to be invasive in natural areas in the U.S. This guide should be used as an introduction to invasive plants and the impacts they are having on natural habitats and ecosystems. Plants not included here
FACT SHEET GOUTWEED - Invasive
www.invasive.org20 May 2005 Page 1 of 4 Plant Conservation Alliance®s Alien Plant Working Group ... a team of volunteers or use of herbicide is recommended. Mechanical ... Valternova, and L. A. Nilsson. 1994. Volatile compounds of flowers of six species in the family Apiaceae: bouquets for different pollinators? Phytochemistry (Oxford) 35: 111-118. ...
Chapter 5 – GUIDELINES FOR HERBICIDE USE - Invasive
www.invasive.orgDetermine whether invasive plants threaten conservation targets or management goals on the site. Use herbicides (versus other control methods) only if ... the weed, however, may be preferable to a less persistent, less toxic compound that must be applied repeatedly. Strive to do the job with the smallest total negative impact to the environment.
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