i__ ir DIVERSITY OF
= WW .RC1AS.F. 3
Dr. Harold W. Browning, Center Director
UF/IFAS Citrus Research & Education Center
700 Experiment Station Road
Lake Alfred, FL 33850-2299
Tel. (863) 956-1151
Fax (863) 956-4631
Stliite our Veterans
UF/FA Ciru Reeac an Edcto etr-Nwn Inomtn Voum 22 NoI
In This Issue
From the D director .............................. 1
CREC Meeting/Party Dec. 17 ............ 1
New s briefs................... ............... 2
Citrus canker outbreak ................... 2
Citrus Processors Day Recap ......... 3
Dr. Griffiths' 90th Birthday ................ 4
Dr. Kelly Morgan ............................. 5
Collison Brentu ................................ 5
About Cuba ............................. 5
Manuscripts Submitted Oct. ............. 6
CREC SoccerTeam Pics .................. 6
News Around CREC
Welcome, Farewell; Baby
announcements, Family News,
Hurricane Photos Wanted ................ 7
C alendar ........................................ 8
Canker Outbreak in
One of the largest citrus
canker outbreaks in Florida
was discovered in
See Page 2
is the monthly newsletter for
employees and friends of CREC.
Citrus Leaves welcomes your
contributions, suggestions and
corrections. Editor, Monica
1233. Photography and graphics,
Gretchen Baut; Production and
Distribution: Word Processing,
Barbara Thompson, Supervisor;
Kathy Snyder, Karla Flynn and
Linda Murphy; Customer Service,
Kathy Witherington, Supervisor,
and Nancy Burke.
From the Director
Calmer weather ahead, for now
The hurricanes that impacted Florida this
summer are now behind us and we can reflect
on how they affected our CREC community.
While virtually everyone was affected personally
by the storm, we can be thankful that more
damage and injury did not result from three
historic storms in the Florida peninsula.
We also can reflect on the amount of preparation
that occurred for each of the storms, and the
efforts of many who assisted during and
following the hurricanes to restore power and
other services to the Center and to all of us. At
Centerwide Meeting and
4:00 p.m. Centerwide meeting,
BHG 1 and 2
Employees of the Year Awards
Recap of the year in video and pictures
All personnel invited
6:00 p.m. Holiday party BHG
All current and former CREC employees and
their families/guests are invited!
Dinner will be served at 6:45 p.m.
Main dish and beverages provided; please bring
a side dish or salad (international dishes
Enter our dessert contest!
Details TBA. ^'--
New this year! Atable decorating
contest! Individuals, groups or labs can
decorate a table. CallExt. 1270 for details.
This is a fun, informal get-together with friends
and family. Kids games, too!
This year s host is CREC s Administrative
Upcoming Holidays 2004
Thanksgiving Holiday, November25 and 26
Christmas Day (observed), December 24
New Year's Day (observed), December 31
the local level this summer, there were
outstanding contributions by many of our staff.
I would like to personally thank the CREC
maintenance staff under the leadership of Roxy
Hoover and Dan Tuzzolo. Through all of the
hurricanes, the maintenance staff, including
janitorial and grounds groups, prepared the
Center for the predicted weather, not only
preparing the facilities, but assisting faculty and
staff with equipment and other issues and
preparing the Ben Hill Griffin Auditorium for
use as an employee shelter. Once the storms
passed, members of the maintenance group
were here at CREC to evaluate damage and make
emergency repairs. With numerous power
outages, the maintenance group worked with
other members of CREC to provide alternative
power and in some cases, dry ice to maintain
important research program resources.
Observing the coordination of faculty and their
staff with staff from the infrastructure to solve
problems during a difficult time was indication
of the commitment of the community.
Fortunately, these events are uncommon, and
we don't anticipate this kind of hurricane swarm
again, or at least not soon. However, we learned
a lot from the preparation and response
associated with them this season, and will use
these experiences and plans to remain prepared
to respond in the future when necessary. Please
join me in thanking those who dedicated
themselves to the Center's safety and security
see From the Director p. 4
UF Paycheck Stubs Online
UF employees are reminded that "paycheck
stubs" are available only online. Log onto
mv.ufl.edu, pull down the "My Self Service"
menu, then click on the "Payroll and
Compensation" link to view deductions, leave
status and other information.
Search Goes On...
CREC is currently interviewing for two
faculty positions: an agriculture engineer
in the area of precision agriculture and
mechanical harvesting that will be affiliated
with the UF/IFAS Agricultural and
Biological Engineering Department, and a
food process engineer that will be affiliated
with UF/IFAS Food Science and Human
Nutrition. One more candidate seminar
remains; all personnel are welcome.
Thursday, Nov. 18
Dr. Eric Roe, Project Manager, College of
Engineering, University of South Florida.
Candidate for the food processing
engineering faculty position at CREC.
BHG 1, Seminar: "Vibrofluidized Bed
Drying Exploring An Alternative Citrus
Feed Mill Process."
11:00 a.m. 12:00 p.m. (refreshments,
Dr. Trotter Memorial
Dr. Gene Trotter, Assistant Vice Presdent
of IFAS/SHARE (Special Help for
Agrictulture Research and Education)
development died of leukemia on Nov. 1.
Prior to joining the SHARE office this
summer, Dr. Trotter directed the Wedgworth
Leadership Institute for Agriculture and
Natural Resources, a leadership program
for the ag industry. SHARE receives and
manages private support for IFAS as part
of the non-profit University of Florida
Foundation, Inc. The family has requested
that donations be sent to the UF
Foundation-SHARE for the Dr. Gene Trotter
Memorial Leadership Scholarship, P.O. Box
110170. Gainesville, FL 32611.
Dallas Townsend Retires
Dallas Townsend, Hendry County
Extension Director, retired Nov. 1.
CCAs at CREC
CREC held a Certified
Crop Adviser (CCA)
educational seminar on
Oct. 13. The one-day
seminar offered seminars
in crop management and
soil and water manage-
ment to fulfill continuing
for the certified crop adviser license.
CREC speakers included Dr. Bill Miller on
precision agriculture, Dr. Richard Buker on
The USDA citrus crop forecast was released
on October 14 with an estimate of 176 million
boxes of oranges. Last year's production
was a near record 242 million boxes. "The
low estimate reflects the crop damage citrus
growers experienced during the recent
hurricanes, said Andy Lavigne, executive
vice-president/CEO of Florida Citrus Mutual.
"Because the industry has a large amount of
juice in reserves, we don't expect an impact
on the availability of orange juice to
consumers." The grapefruit estimate is 15
millionboxes, a 63 percent decrease from the
40.9 million boxes produced last season. An
updated estimate was scheduled for release
on November 12. For a full report, visit the
National Agricultural Statistics Service
Dr. Richard Buker presented a seminar at
CREC on Oct. 7, "How can expertise in
Agricultural Education improve your
Research and Extension program?" Dr.
Buker is Assistant Professor of Horticul-
ture and Extension Specialist with state-
wide responsibilities for Extension and
communication in citrus production.
Marty Dekkers presented a seminar as
part of the CREC's Plant Path and Friends
weekly seminar series on Oct. 8: "Finding
ways to induce plant defenses against
Dr. Chunxian Chen presented a seminar as
part of the CREC's Plant Path and Friends
weekly seminar series on Oct. 22: "Free
Bioinformatics Tools: Introduction and
CREC and UF/IFAS are working with the
r ery for
on genetically-engineered crops. For more
information on the CCA program, visit the
national CCA website at cca.agronomy.org.
citrus industry to provide information on
hurricane recovery, hold educational
seminars as well as document and track
recovery progress in commercial groves.
Information is posted on the CREC website.
Flower Bud Induction
Dr. Gene Albrigo posts information and
advice on citrus flowering for citrus growers
on the CREC website:
One of the state's largest citrus canker
outbreaks was discovered in recent weeks
in Charlotte County. It is believed that
Hurricane Charley was a major factor in the
spread of the citrus canker bacteria. Over
11,000 infected trees in a commercial grove
were found. All infected trees, and trees
within a 1900-ft. buffer zone must be
removed by state officials. In total, over
110,500 trees were eradicated,
encompassing 850 acres.
Citrus canker was also found in several
residential properties in Punta Gorda in
October, and several residences in Osceola
CREC personnel are reminded that there
are strict state regulations on
decontamination of tools, equipment and
personnel for those who work with citrus,
or enter a grove or citrus greenhouse. There
are also restrictions on the movement of
fruit and plant material off the Center. For
more information, contact your supervisor
or Dr. Pete Timmer.
For more information, visit
Farm City Week
Nov. 19-25, the week
before Thanksgiving, is
National Farm City Week.
The week is salutes the
nation's farmers and
producers. Ag education 3 .-t. .
events such as field trips, qR .CIT.
farm tours and luncheons
are scheduled nationwide. CREC will
participate in Osceola County's Farm City
Week event on Nov. 20 with a CREC exhibit
at the Osceola Heritage Park.
Dr. Jim Davidson, retired UF vice-presi-
dent of agriculture and natural resources,
was one of five people selected for the
Florida Agriculture Hall of Fame.
The 55th Annual Citrus Processors Day and Subtropical Technology Conference was held at
CREC on Oct. 21. Over 120 people were on hand to learn about research updates in processing.
Above: Gary Merritt (left) from FMC FoodTech, and
Jos6 Rodriguez from Brown Citrus Systems served as
Dr. Elizabeth Baldwin, research Dr. Ren6e Goodrich is program
leader at the USDA-ARS in Winter organizer for this annual event.
Haven, welcomes the crowd.
Above, left to right: Dr. Bill Widmer from the USDA-ARS Citrus and Subtropical Products Laboratory (Winter Haven) and Dr. Paul
Cancalon (FDOC), presented research on chemical compounds in grapefruit that can impact the use of certain prescription drugs.
Center right, Dr. Mickey Parish and Paul Winniczuk (far right) presented research on food microbiology and food safety for citrus.
Far left: Marcela Frata, a visiting student in Dr. Russell Rouseff's lab, discussed research on
nucleotides and their possible influence on orange juice flavor; second from left, Dr. Ozan Gorbus, a
visiting scientist from Turkey at CREC, and Dr. Kanjana Mahattanatawee, a postdoctoral scientist at
the USDA-ARS in Winter Haven, look over the day's program. Right, Dr. Gorbus presents his
research on analytical techniques for analyzing compounds in wine.
Above left, April Elston, a graduate student in Dr. Rouseff's lab, presented her research on
valencene in orange oil; right, Gary Merritt and Dr. Kevin Gooder (USDA-ARS) share a
discussion on Kevin's research on analytical analysis of compounds in citrus.
Congratulations to Wendy Bell,
who completed her M.S. in food
science from UF in November.
Wendy, who studied with Dr.
Russell Rouseff, worked for the
FDOC at CREC prior to entering
graduate school on an FDOC-
sponsored assistantship. Wendy
investigated the effects of
different materials used for the
pasteurization (thermal heating)
on grapefruit juice flavor. Wendy
is headed for a new job at Cadbury
Adams in New Jersey, makers of
chewing gum (including Trident
and Chiclets), breath mints and
4 Celebrating Dr. Jim Griffilhs'90th Biri dat A
Far left photo: Haines City citrus grower Buster Pratt (above left) with Dr. Jim Griffiths at fete celebrating his 90th birthday at CREC
on Nov. 4. Dr. Griffiths, a citrus grower, is an active spokesman for the citrus industry. Dr. Griffiths is also an entomologist and was a
faculty member at CREC from 1949-1951. Center photo: Dr. Harold Browning presents Dr. Griffiths with a gift certificate acknowledging
over $800 in gift contributions. Far right: Dr. Griffiths reflects upon his career; 120 people attended the luncheon.
Left: Dr. John Attaway (standing) was among the several people who shared stories and memories at the luncheon. Center: Dr. Herb
Nigg recounted Dr. Griffiths' work as a spokesperson for the Florida citrus industry, including issues on pesticides, toxicology, regula-
tions and environmental issues. Far right: Dr. Bill Grierson, retired CREC faculty member, recalls Dr. Griffiths' early work on the health
effects of parathion. Photos by Gretchen Baut and Monica Lewandowski.
From the Director...
from p. 1
during the past several months and who
assisted in minimizing the negative impacts
of these events on all of us.
Looking forward, as we resume "normal"
operations, we collectively have an
opportunity to assist the Florida citrus
industry address their challenges through
excellent research and education programs.
Abo\ c, lln lulnunum stIuctui at thdie
intersection of Highways 17 and 92 was
crumpled. Above right, after Jeanne swept
through, U.S. 27, near Interstate 4, looked
like the dirt road it once was long ago.
Below right: roof damage at the
McDonald's on Havendale Blvd.
Photos by Jeanell Pruitt.
Dr. Kelly Morgan will
assume a faculty position
at the Southwest Florida
Research and Education
Center in Immokalee as
r f Assistant Professor of Soil
and Water Sciences on
Nov. 19. Dr. Morgan has
' served as scientific
t researchmanagerat CREC,
working on the Water
J Conserv II project to
evaluate the use of
reclaimed water for crop
irrigation. Areceptionfor Kelly will be held on Nov. 18 in C R E
employee break room. Photo by Gretchen Baut.
Collison Brentu from Ghana is I
spending six months in Dr. Pete
Timmer's lab learning about
fungal pathogens of citrus. He is '
a doctoral student at the '
University of Ghana in Accra,
although he works at an
experiment station about 70 miles
away. His project is funded by the
World Bank. He is studying citrus
black spot disease caused by -
Guignardia citricarpa, a newly
discovered problem in his country. He is working on G mangiferae, a
related non-pathogenic fungus found in Florida, as well as participating
in many other activities in the lab. His family in Ghana includes his
wife and three children. Photo by Gretchen Baut.
About my home country... Cuba
Ana Redondo shares photos and history about her hometown, Havana, Cuba
Havana, which is the capital of Cuba, has a
colorful and rich history. Cuba was
discovered by Christopher Columbus in
1492, and subsequently settled by
European settlers. Havana's location at the
mouth of Gulf of Mexico made it an ideal
port for ships traveling to and from Spain,
and it became an important center of trade,
as well as a target for pirates. Large
numbers of African slaves were brought to
Cuba to work in European plantations.
After centuries of Spanish rule, Cuba won
its independence in 1898 after the Spanish-
American war. In 1959, Fidel Castro
overthrew the Batista government and came
into power. After that, the immigration of
Cubans into Florida and the U.S. increased
Dr. Sachindra MondalfromDr. Pete
on Oct 16-26
work on a
project with ,
Dr. J.W. Hyun.
The program .
host range, cytology of infection,
molecular characterization of worldwide
isolates of Elsinoe spp., the causal agent
of citrus scab. The project is sponsored by
the Rural Development Administration in
Korea. Dr. Mondal will present seminars
on his research on citrus greasy spot and
Photo by Gretchen Baut.
Above, Cuba's capital building in Havana.
It is houses La Republica, the biggest
indoorbronze effigy in the world. A28-
carat diamond that marks the center of the
city, and the headquarters of the Cuban
Natural History Museum are located here.
C- ~ =u r
- l~ unv r 1-
of Havana s
Cuban natives at CREC include Ana Redondo (far left and center), and Dr. Luis Pozo
(center and far right). Ana and Dr. Pozo both work in Dr. Jackie Burns' lab.
Near right: Fellow Cuban 1 P.
natives include Pedro Gonzales i
and far right, Carlos Capote. J *I *
Pedro works in Dr. Exteberria's
lab; Carlos works for Dr. & .
Orbovic in the Citrus Transfor-
mation Core Lab.
Photos by Gretchen Baut.
We would you like to feature your hometown or home country, near or far! Contact
Monica Lewandowski, mmlew(@,crec.ifas.ufl.edu, or call Ext. 1233.
Submissions to the Publications Committee in October
CREC Soccer Team
CREC's soccer team is riding a three-
game winning streak as it heads into
the end of the season and the year-end
tournament, in which the league
champion is determined. The team
competes in the Auburndale Co-Ed Fall
Soccer League every Sunday afternoon
at Lake Myrtle Park off Berkeley Road
in Auburndale. Spectators and fans are
Nov. 21 3:15 pm Chivas vs. cREC
Dec. 5 year-end tournament
Game time 1:15 or2:30 pm
TBD,depending on league standings
The soccer team thanks CREC and Dr. Browning for
their support, and John Roegner for providing water
and cool towels. It's greatly appreciated!
Photos by Kanjana Mahattanatawee.
Citrus Health Pest
Offered in the Spring
Thursday, Jan. 6 -April 28, 2005;
3 6 p.m., BHG Teaching Lab
Graduate-level course (3.0 units)
reviews the latest tactics and
strategies available to manage
diseases and arthropod, nematode
and weed pests of citrus. Course
coordinator is Dr. Larry Duncan.
Regular registration is Jan. 3;
$685.44 for Florida residents. Some
employees may be eligible for the
UF Employee Education Program.
reuiI rl lion in I[o. hn1ill
- k _-
J. Cubero and J. H. Graham. Quantitative Real Time PCR for Bacterial Enumeration anAllelic Discrimination to DifferentiateXanthomonas
Strains on Citrus. Applied and Environmental Microbiology.
S. N. Mondal and L. W. Timmer. Relationship of the Severity of Citrus Greasy Spot, Caused by Mycosphaerella citri, to Ascospore Dose,
Epiphytic Growth, Leaf Age, and Fungicide Timing. Plant Disease.
C. W. McCoy, R. J. Stuart, M. E. Rogers, H. N. Nigg, and W. S. Castle. Management of Adult Diaprepes Root Weevil on Citrus with Foliar
Sprays of Zeta-Cypermethrin, 2004. ArthropodManagement Tests.
M. Choquer, K A. Dekkers, H.-Q. Chen, L. Cao, P. P. Ueng, M. E. Daub, and K-R. Chung. The CTB 1 Gene Encoding a Fungal Polyketide
Synthase is Required for Cercosporin Toxin Biosynthesis and Fungal Virulence of Cercospora nicotianae. Molecular Plant-Microbe
M. A. Ayllon, T. Satyanarayana, S. Gowda, andW. O. Dawson. Variation among Cis-acting Elements Controlling Subgenomic RNAProduction
by Citrus tristeza Virus. Molecular Plant Fldh.i... *1.
T. Johnston and L. W. Timmer. Evaluation of Products for Control of Alternaria Brown Spot on Minneola Tangelos, 2004. Fungicide and
T. Johnston and L. W. Timmer. Evaluation of Products for Control of Citrus Greasy Spot on Red Grapefruit, 2003-04. Fungicide and
T. Johnston and L. W. Timmer. Evaluation of Fungicides for Control of Alternaria Brown Spot on Nova Tangelo, 2004. Fungicide and
T. Johnston and L. W. Timmer. Evaluation of Products for Control of Citrus Greasy Spot on Marsh Grapefruit, 2003-04. Fungicide and
T. Johnston and L. W. Timmer. Evaluation of Products for Control of Citrus Scab on Marsh Grapefruit, 2004. Fungicide andNematicide
J. K. Burns, R. S. Buker, and F. M. Roka. Mechanical Harvesting Capacity in Sweet Orange is Increased with an Abscission Agent.
W. Guo, Y. Duan, O. Olivares-Fuster, Z. Wu, C. R. Arias, J. K Burns, and J. W. Grosser. Protoplast Transformation and Regeneration of
Transgenic Valencia Sweet Orange Plants Containing a PME Gene and a GFP Marker Gene. Plant Cell Reports.
GC C. Colburn and J. H. Graham. Protection of Citrus Rootstocks Against Phytophthora spp. with a Hypovirulent Isolate of P nicotianae.
FiT i I. ,'f,/ h ,i t l. .
K. T. Morgan, J. Scholberg, T. Obreza, and T. A. Wheaton. Modeling Biomass and Nitrogen Accumulation by Florida Citrus Trees.
.. .. .... .. ...
NE S A N K7
Jessica Rini OPS (Business office)
Joseph Barnes student (Photolab)
to Patti Hanna from
the CREC Business
office. Patti, who
joined CREC in June
2002, is now working
for the Dean of UF's
which handles UF Study Abroad, immigration
for students, faculty and scholars, as well as
various global programs. It's a homecoming
for Patti, who worked for over 20 years in the
UF College of Medicine's Department of
Obstetrics and Gynecology as an accountant
and network administrator. We wish her the
Did we miss you? Send to Monica
Lewandowski: mmlew(@crec.ifas.ufl.edu or
Correction: Congratulations to Jamuna
Madhavaraj and Dr. GAnanthakrishnan
(from Dr. Grosser's lab), on the birth of
their son, Bhavesh Ananthakrishnan,
born Sept. 22. Bhavesh was incorrectly
identified as a girl last month.
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[t lon i i SIII ~~in on ilic biiili
C ibio %%oikcdj ut REt uli Di
jlGhunin .Iii Di A\ 11ion' oicd
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Congratulations to the
Winter Haven High SchoolrvB
"Pride of Winter Haven"
Marching Band and
Devilettes Auxilliary won
Grand Champion (first
place) in invitational
competitions in Naples on
Oct 9 and in Plant City on
Oct 16. On Oct. 23, the
band received straight
superior ratings (the highest IlIInI i Ii ili Floinda BiindliiiS.iui i e
Association District 12MarchiiiL Bnd .\ssm.einii in \\ inici H.a\ c ii
Corey Jones (right), sonof Shillc JonciS is lIionbonc pla\i C in
the band. NatashaWinniczuk dtiilucil of Piull \\ innictlllk iIS llK
Devilettes captain (pictured abo\ c). Natasha % as onc of fi c giils
from Winter Haven High School selected to perform in the Macy's Day Parade in New
York City, so look for her on TV on November 25! The band is alsopreparing for a trip to
Indianapolis in March. Shelley works inDr. Bob Braddock's lab, and Paul works with Dr.
Mickey Parish. Congratulations! Photos from Shelley Jones.
'IV .... [I!, 111C
; Chn ll
Chen (Gmitter lab) and Huiqin
Chen (Chung lab), who was born
on August 30.
Left: Dr. Sveta Folimonova and her
husband, Dr. Alexey Foliminov,
had a daughter, Vasylisa, born Oct.
18. Sveta and Alexey work with Dr.
Brittney Pearn, granddaughter of Virgil
and Janice Stewart, is captain of the varsity
cheerleaders, a member of the National
Honor Society at Lake Region High School,
and active in student government. She
placed second for Homecoming Queen, and
was featured in a "Student Focus" piece in
the Ledger on Oct. 10. Her parents are
Nicole Pearn Smith and Jerry Smith of Winter
Haven. Virgil now works on CREC's grove
crew, and Janice is on the custodial staff.
Eve Weiss, CREC alumnus, was back at
CREC for the Citrus Processors' Day on
Oct. 21. Eve earned her M.S. in food
science, studying with Dr. Robert
Braddock. She now works for
Firmenich, a flavor company in Safety
The Redlands Christian Migrant Association is selling
holiday and note cards created by their students,
some with agriculture designed. The RCMA provides ,
education and assistance to farmworkers and their -
families. To view cards, visit www.rcma.org. I
Hurricane Photos Wanted
If you have hurricane photos of citrus damage the Photolab is setting
up an archive to document this year's hurricane damage. Any photos of
hurricane damage can be included, such as citrus or crop damage, or
damage to buildings, facilities, yards, etc. If you want to limit or specify
distribution sof your photos, let us know and we can do that. If you
have photos for the archive, contact the Photolab at Ext. 1270. If the
photo was taken by someone outside of UF, let us know so we can
record the proper credit.
Thank you, Monica Lewandowski and Gretchen Baut
- ---- ~jF_~ I
Sun Mon Tues Wed Thurs Fri Sat
UF/IFAS Extension Novem er 2004 T Ag industry events
events statewide statewide
1 2 3 4 5 6
7 8 9 10 11 12 13
Seminar Seminar Veterans Day UF Home-
Dr. Tumbo Dr. Reyes Holiday coming
14 15 16 17 18 19 20
3:15 pm Plant Path &
Lake Myrtle Friends 11 am
21 22 23 24 25 26 27
CREC soccer Thanksgiving Holiday
3:15 pm Holiday
28 29 30
All events subject to change.
Nov. 18 -11 a.m. -12 p.m. BHG 1
(refreshments, 10:45 am). Dr. Eric Roe,
Project Manager, College of Engineering,
University of South Florida. Candidate for the
food processing engineering faculty position at
CREC. Seminar: "Vibrofluidized Bed Drying -
Exploring An Alternative Citrus Feed Mill
Plant Path and Friends hold weekly seminars
every Friday at 11 am 12 pm in the BHG
Teaching Lab. CREC personnel, especially
students and post-docs, are encouraged to
present informal seminars. Topics are not
limited to plant pathology. For more
information, contact Dr. Chung.
Classes Next Semester:
Citrus Pest Management course offered at
Thursday, Jan. 6 -April 28, 2005; 3 6 p.m.,
BHG Teaching Lab
Graduate-level course (3.0 units) reviews the
latest tactics and strategies available to manage
diseases and arthropod, nematode and weed
pests of citrus. Course coordinator is Dr. Larry
Duncan. Regular registration is Jan. 3; $685.44
for Florida residents. Some employees may be
eligible for UF tuition benefits.