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CISMA Call Agenda
1:30pm Introductions
Kris Serbesoff-King
1:35pm Technical Presentation
Integreated Management of Hydrilla by Jim Cuda
2:05pm CISMA Updates:
SWFL CISMA by Annisa Karim
2:20pm Shout outs
2:30pm End
Integrated Management of Hydrilla in Florida
James Cuda, Jennifer Gillett-Kaufman, Raymond Hix, Verena-Ulrike Lietze, Emma Weeks
University of Florida, Florida A&M University
USDA NIFA RAMP Grant 2010-02825
Florida CISMA Webinar 22 October 2014
Outline
• Introducing hydrilla (distribution, problems)
• Options for hydrilla control
• Why is IPM important?
• Current status of research
• Outlook
USDA NIFA RAMP Grant 2010-02825
• Submersed, rooted; propagates by tubers, turions, fragments!
• Stems – long and slender with some branching
• Leaves – max. 4/5’’ long, 1/6’’ wide, lanceolate, whorls of 3-8
• Midrib – bears small spines
Introducing Hydrilla
• Interferes with boating
• Drainage canals / flood control structures
• Fast vegetative growth dense vegetation mats
• No natural enemies, outcompetes native vegetation invasive
• Resistance to certain herbicides
• Control very costly
• Eradication impossible innovative maintenance control
Why Is Hydrilla Such a Problem?
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
Lake Toho Hydrilla Control Issues: TIMING Small Window of Opportunity
Credit: UF/IFAS Center for Aquatic and Invasive Plants http://plants.ifas.ufl.edu/manage/developing-management-plans/scope-of-aquatic-plant-management-in-florida-waters/window-of-opportunity
What are the Options for Hydrilla Management?
• Physical control (drawdowns, barriers)
USDA NIFA RAMP Grant 2010-02825
• Mechanical removal (harvesting)
• Chemical control (herbicides)
• Biological control (herbivores, pathogens) will give more details
Promising Biological Control Agents
Sterilized Asian grass carp – successful in closed systems (1972 first release in FL)
Cricotopus lebetis, the hydrilla tip miner – 1976 first record in SW FL; 1992 in Crystal River
Parapoynx diminutalis, the hydrilla leafcutter moth – 1976 first record in FL
Mycoleptodiscus terrestris , the Mt fungus – 1970s isolated from several U.S. locations
Hydrilla Tip Miner Larva and Associated Tip Damage
• Causes profuse branching
• Prevents hydrilla from “topping out”
• Does not disperse far (would need to be moved to new areas)
• Can be mass reared
• Does not kill the plant but kills the growing tips
USDA NIFA RAMP Grant 2010-02825
Combining (Integrating) Methods — Why?
Benefits of Integrated Pest Management (IPM)
• Increased efficacy
• Decreased use rates
• Reduced contact time requirements
• Improved selectivity
• Reduced reliance on herbicides alone
• Resistance management
Combining Control Agents/Tactics to Manage Hydrilla
Compatibility Tests:
• Mt fungus
• Tip miner
• Chemical herbicides
• 2014: Mechanical (Harvesting)
USDA NIFA RAMP Grant 2010-02825
Mt Fungus and Tip Miner (30 DAT)
0
2
4
6
8
10
12
14
Control Mt fungus Tip miner Mt fungus+ Tip miner
Hyd
rilla
d
ry w
eigh
t (g
)
Treatment
a a a b
Tip Miner and Imazamox (30 DAT)
0
100
200
300
400
500
Control Tip miner Imazamox Tip miner +Imazamox
Nu
mb
er o
f h
ydri
lla
sho
ot
tip
s
Treatment
a a a b
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
Mid
ge A
du
lts
Midge Larvae
Midge Larvae + Imazamox
+
Tank Tests- Compatibility
• No “topping out”
• No spread
• Reduced risk of resistance development
HYDRILLA: HOW WE ARE CHANGING THE ARCHITECTURE
What Can You Do?
• Give our info materials to your friends
• Never dump the contents of your aquarium
• Note your observations on the lake
• Report any suspected infestation
• Clean your boating and fishing equipment
USDA NIFA RAMP Grant 2010-02825
Our website: http://entomology.ifas.ufl.edu/hydrilla
Hydrilla IPM Online CEU Course: http://pesticide.ifas.ufl.edu
USDA NIFA RAMP Grant 2010-02825
EDIS : http://edis.ifas.ufl.edu/pdffiles/IN/IN104400.pdf
Acknowledgements Extension Advisory Committee:
• Lorrie Bush, Aquatics Division Director Saint Lucie West Services District
• Dr. Moses Kairo, former Director Center for Biological Control, FAMU
• Dr. Stephen Hight, Research Entomologist, USDA-ARS CMAVE
• Jerry Renney, President Applied Aquatic Management
• Bridgett Tolley, Lakes Advocate Community Res. Osceola County
• Kelle Sullivan, Regional Biologist Florida Fish and Wildlife Conservation Commission
Photographers (other than team members):
• Lyle Buss, UF
• Dana Denson, Reedy Creek Impr. District
• UF/IFAS Center for Aquatic and Invasive Plants
USDA NIFA RAMP Grant 2010-02825
Research team:
• Dr. James Cuda, UF, Project PI
• Julie Baniszewski, UF
• Dr. Raymond Hix, FAMU
• Eutychus Kariuki, UF
• Dr. William Overholt, UF
• Dr. Judy Shearer, US ACE
• Karen Stratman, UF graduate
Extension team:
• Dr. Joan Bradshaw, UF emeritus
• Dr. Jennifer Gillett-Kaufman, UF
• Kenneth Gioeli, St. Lucie Co.
• Stacia Hetrick, formerly Osceola Co.
• Dr. Verena-Ulrike Lietze, UF
• Dr. Emma Weeks, UF
Outreach Events
Panther Festival and Exotic Pet Amnesty Day- Nov. 2013
Festival in the Woods at Picayune Strand –January 2014
Southwest Florida Nature and Wildlife Festival- Rookery Bay -January 2014
Burrowing Owl Festival February 2014
Florida Panther NWR Open House -March 2014
Conservancy of SWFL Earth Day Event -April 2014
4th Annual Non-native Fish Round-up with ECISMA -May 2014
Panther Festival and Exotic Pet Amnesty Day- Nov. 2014
Charlotte Harbor Nature Festival- Nov. 2014
Exotic Pet Amnesty Day
November 2013
Southwest Florida
CISMA Update
2- ball pythons
4 -Burmese pythons
1- red eared slider
1- chinchilla
1 -rabbit
18th Annual Exotics Workshop FGCU January 23, 2014 200 registrants Diverse agenda Plant ID Sessions CEUs offered Python Handling Training
Grass ID Workshop & Annual Meeting
September 29-30, 2014
Southwest Florida
CISMA Update
38 attendees; 20 people on
waiting list
Great speakers: Brent Sellers,
UF IFAS and Greg Hendricks,
Florida Eco Enterprises
Field Locations: Ok Slough SF
and Conservation Colliers
Pepper Ranch Preserve
Python Survey –February 2014 3 Burmese pythons were located
and captured
(10' male, 7.5' male, 12' female) SWFL collaborative radio-
telemetry python study- lead by Paul Andreadis Two additional Burmese were
located and captured through previously tagged pythons during the (10' male, 14.5' female)
Ongoing Research
Capturing, tagging and/or removing adults, juveniles and hatchlings
Southwest Florida CISMA
Received three grants this year: 1. FLEPPC/FISP CISMA Grant- for outreach and
workshops 2. Partners for Fish and Wildlife- for invasive animal outreach efforts 3. Rivers, Roots and Ruts- Caloosahatchee River Basin
workday funding, herbicide and supplies
Future Endeavors: -Creating a Friends of SWFL Group-501c3
-12 outreach events and workshops on the calendar for the season!
2015 Events
Python Handling Workshop
January 22nd, Location TBD
19th Annual Southwest Florida Exotics Workshop
January 23rd , FGCU
National Invasive Species Awareness Week
Febuary22-28
NISAW Kids Day—
Children’s Golisano Museum (Date TBD)
School Outreach?
Shout Outs
Six Rivers CISMA First Coast IWG- Invasive Grasses and Aquatics for Land
Managers- Thursday, October 30, 2014, 10:00 a.m. - 2:00 p.m. Duval County Extension Office (1010 N. McDuff Avenue, Jacksonville, Florida 32254)
North Central Florida CISMA & Florida Forest Stewardship Workshop- October 23, 2014 at Austin Cary Forest Learning Center, 10625 NE Waldo Rd, Gainesville, FL 32609
Next Month’s Call
NO CALL in November & December!
Enjoy the break!
CISMA calls resume in January 2015
o If you would like to participate in determining if a new day/time is needed please contact Rose Godfrey at [email protected]
o A doodle poll will be set up and sent to everyone interested in participating.
1. Halloween
2. Thanksgiving
3. Hanukkah
4. Kwanza
5. Festivus
6. Winter Solstice
7. Christmas
8. New Year’s Eve
Happy Holidays!
4th Wednesday of Every Month at 1:30pm
Except November and December
Go to floridainvasives.org to join up for list serve
announcements
1. Online
https://nethope.webex.com/
Meeting Number: 824 138 461
Meeting password: Invasive2!
2. Phone
US Toll-free: 1-866-385-9623
Conference Code: 751 091 0623
Attendee ID: In WebEx prompt after logging on
Enter at any time on key pad
3. Skype
Skype name: nethopeandaffilliates
Conference Code: 751 091 0623
Florida Cooperative Invasive Species Management Area (CISMA) Monthly Call
– Hosted by the Florida Invasive Species Partnership (FISP)
participation is voluntary, we promise it will only last 1 hour, and we can guarantee that you will enjoy the conversations
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