Japanese Honeysuckle Samantha Watkins Wetlands and Riparian Ecology September 23 2008.
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Transcript of Japanese Honeysuckle Samantha Watkins Wetlands and Riparian Ecology September 23 2008.
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Japanese Honeysuckle
Samantha WatkinsWetlands and Riparian Ecology
September 23 2008
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Scientific name: Lonicera japonicaCommon names: Japanese HoneysuckleNative To: AsiaDate of U.S. Introduction: 1800sMeans of Introduction: OrnamentalWetland Status: FAC Impact: Crowds out native species
The basics…
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Let’s take a closer look….
Stems: Climb on other vegetation or trail along the ground. Stems become woody with maturity. Stems are usually hairy but sometimes may be without hairs.
Leaves: Opposite arrangement, hairy, elliptical, and found on short petioles roughly 3-10 mm in length.
Weed Description: A climbing or trailing vine with attractive and fragrant flowers
Flowers: Flowers occur in pairs and arise from the positions between the stems and leaves (leaf axils). Flower pairs occur on short flower stalks (peduncles). Individual flowers are very fragrant, and are white to yellow in color.Fruit: A round, black berry approximately 6 mm in diameter.
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Common look-a-likes…Morrow's Bush-Honeysuckle and Tatarian Honeysuckle
-both species resemble Japanese honeysuckle, however have red berries and are more shrub-like
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What’s the damage?
Early Detection & Distribution Mapping System
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What is being done?
Manual and mechanical: For small patches, hand-pulling of vines and root systems may be effective. Tools can be used to help free root systems. Hand-pulling is most effective on root systems when the soil is moist. Repeated removal may be necessary to prevent reestablishment.
Chemical: Herbicide may be applied by spray to leaves or in higher concentrations to stems. Both glyphosate and triclopyr herbicides have been used effectively on Japanese honeysuckle. Example: Escort® XP herbicide
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You’ve been warned!