control of vines and brush in natural areas...control of vines and brush in natural areas jeff...
TRANSCRIPT
![Page 1: Control of Vines and Brush in Natural Areas...Control of Vines and Brush in Natural Areas Jeff Hutchinson and Ken Langeland U.F. Agronomy Dept. Center for Aquatic and Invasive Plants](https://reader035.vdocuments.us/reader035/viewer/2022062506/5f10c54a7e708231d44abc54/html5/thumbnails/1.jpg)
Control of Vines and Brush in Control of Vines and Brush in Natural AreasNatural Areas
Jeff Hutchinson and Ken LangelandU.F. Agronomy Dept.Center for Aquatic and Invasive Plants IFAS SC 2010
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Integrated Pest Management:Mechanical controlBiological controlHerbicidesLand management practicesKnowledge of pestEducation
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MethodsOf
HerbicideApplication
Hack and Squirt
Cut Stump Foliar
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Application Method(s)Brand Name(s)Active Ingredient
FoliarMilestoneAminopyralid
FoliarClearcastImazamox
FoliarPlateauImazapic
FoliarEscort XPMetsulfuron
FoliarVistaFluroxypyr
SoilVelpar L, Velpar ULWHexazinone
Foliar, stump, hack and squirt
Garlon 4Triclopyr ester
Foliar, stump, hack and squirt
Terrestrial: Garlon 3AAquatic: Renovate 3
Triclopyr amine
Foliar (+ imazapyr)Stump, Hack and Squirt
Terrestrial: RoundupAquatic: Rodeo
Glyphosate*
Foliar, Stump, Hack and Squirt
Terrestrial: ArsenalAquatic: Habitat
Imazapyr*
*Generic products available
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Herbicide Behavior in Soil
Moderate30 daysLowTriclopyr
Moderate25-142 daysHighImazapyr
Moderate120 daysModerateImazapic
High90 daysHighHexazinone
Bound47 daysNoneGlyphosate
MobilityHalf-lifeRoot Uptake
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Foliar Applications• Broadcast or spot treatments• Application equipment
– Backpack/handheld sprayer– High pressure vehicle
mounted– Aerial (helicopter)
• Herbicides– Glyphosate– Triclopyr amine– Triclopyr ester– Imazapyr
• Surfactants– Penetration– Spreading
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Cut Stump Applications• Cut as level as possible• Sweep off sawdust• Treat as soon as possible• Concentrate on living
tissue• Use enough herbicide
Bark
Dead wood
Living tissue
• Herbicides– Glyphosate– Triclopyr amine– Triclopyr ester– Imazapyr
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Basal Bark Applications• Herbicides
– Oil soluble (EC)• Triclopyr ester• imazapyr
• Diluents– Vegetable oil
• Most readily breaks down
– Mineral oil– Diesel fuel not
recommended
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Hack and Squirt Applications
• Herbicides– Imazapyr– Glyphosate – Triclopyr amine– Triclopyr ester
• Equipment– Spray bottles
• Used for trees with thick or scaly bark
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• Cut all the way around stem• Cut all the way in to cambium• Apply herbicide to exposed cambium• Use dyes• Treat within 15 minutes of cut
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Selective treatments: 1) basal bark, 2) hack and squirt, and 3)cut stump
Red mangrove
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Some Common and Not-so-Common Invasive Vines and
Brush Found in Natural Areas of Florida
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Old World Climbing Fern(Lygodium microphyllum)
Northern Everglades
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Dense Infestation – Jonathan Dickinson S.P., Martin County
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Foliar spray Poodle-cut
- Low growing, not climbing into canopy
- Climbing into canopy- Cut at 4-5 feet above ground
X
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New growth from spore germination
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- Typically takes two treatments to get OWCF cover to < 5%- Follow-up treatments will be required
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Ground TreatmentsInitial Treatment:• Glyphosate (1-3% product)• Metsulfuron methyl (2 oz / 100 gallons)• Triclopyr (1-3% product)• Imazapic (1% product)• Imazamox (?)
Follow-up Treatments:• Use a different herbicide than used in initial treatment• Tank mixes• Imazapyr (?)• Aminopyralid (?)• Fluroxypyr (?)
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Japanese climbing fern(Lygodium japonicum)
HerbicidesGlyphosateTriclopyrMetsulfuron
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Japanese Climbing FernTwice Compound (3-pinnate)
Old World Climbing FernOnce Compound (2-pinnate)
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HerbicidesGlyphosateTriclopyrAminopyralid?Imazamox?
Air potato, winged yam(Dioscorea bulbifera)(D. alata)
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Skunk vine(Paederia foetida)
HerbicidesGlyphosateTriclopyrImazapicAminopyralid
MethodsFoliarBasal barkCut stem
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Japanese clematis(Clematis terniflora)
HerbicidesTriclopyrGlyphosate
MethodsFoliarBasal bark
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Cat’s-claw vine (Macfadyena unguis-cati)
Triclopyr ester - cut vine, pull away from tree and treat cut surface and bark
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Rosary Pea(Abrus precatorius)
• Foliar spray – “dense”infestations-glyphosate, triclopyr amine
• Cut – treat base with triclopyr ester
• Collect seed pods
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Flame Vine (Pyrostegia venusta)
- Cut stems above nodes- Treat nodes with 10% triclopyr ester
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Coral ardisia(Ardisia crenata)
Foliar•Triclopyr•Imazapic•Triclopyr+Imazapic
Basal bark•Triclopyr ester (?)
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Cerulean flaxlily (Dianella ensifolia)
Foliar spray- Imazapyr- Metsulfuron
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Australian Pine(Casuarina equisetifolia)
Basal bark, hack and squirt, or cut stump• triclopyr ester
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Brazilian Pepper(Schinus terebinthifolius)
FoliarTriclopyrImazapyrImazamox (?)Metsulfuron (?)
Basal barkTriclopyrFluroxypyr
+ ImazapyrCut stump
TriclopyrGlyphosate
+ Imazapyr
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Model - impacts of invasive plants
0
50
100
150
200
0 25 50 75 100
Invasive Plant Cover (%)
Nat
ive
Plan
t Cov
er (%
)
?Initial
Invasion
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0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
Time (?)
Inva
sive
Pla
nt C
over
(%)
Eradication possible
Managementstage
Eradication unlikely
Hobbs and Humphries, 1995
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Books – available at IFAS bookstore (http://ifasbooks.ifas.ufl.edu/ or 1-800-226-1764 )
Websites - management plans, images, publications, law, and lots of other information
http://plants.ifas.ufl.edu/ http://www.fleppc.org/
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Wunderlin, R. P., and B. F. Hansen. 2008. Atlas of Florida Vascular Plants (http://www.plantatlas.usf.edu/). [S. M. Landry and K. N. Campbell (application development), Florida Center for Community Design and Research.] Institute for Systematic Botany, University of South Florida, Tampa.
Source of Range Maps:
University of South Florida Herbarium
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