Title: Citrus leaves
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Permanent Link: http://ufdc.ufl.edu/UF00087049/00050
 Material Information
Title: Citrus leaves
Series Title: Citrus leaves
Physical Description: Serial
Creator: Citrus Research and Education Center, Institute of Food and Agricultural Sciences
Publisher: Citrus Research and Education Center
Publication Date: February 2005
 Record Information
Bibliographic ID: UF00087049
Volume ID: VID00050
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.

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= WW .RCIAS.F. 3


0 il DIVERSITY OF
SFLORIDA

IFAS


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


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I Citrus R eseca EciCt- w nIf a ryt-n iVolum 23


In This Issue
Pam Russ to Retire ........................... 1
From the Director ............................ 1
President Machen ........................... 1
Dr. McCoy to Retire ......................... 1
Presidential Visit ............................. 2
Other UF News .............................. 2
Flowering Info, Disease Hotline ....... 3
Lee, McKown Honored .................... 3
Dr. Li, Dr. Fayad; Plant Path Friends. 3
Phone Tabs are Sticking Up ............. 4
More on Pam Russ ......................... 4
Meet ... Lorraine, Meredith and
Jessica in the Business Office ........ 5
IFAS Communications workshop ..... 5
Florida Weed Science Society
Meeting Highlights ......................... 6
Dr. Eddie Uekermann, Collison Brentu
CRE Foundation .............................. 7
Upcoming Seminars at CREC ........... 7
FSHS Annual Meeting June 5-7........ 7
Student Outreach and
Accomplishments ........................... 8
News Around CREC
W welcome, Farewell ......................... 9
Publications Submitted.................... 10
Calendars, March and April....... 11-12
Because of an unusually heavy
schedule in February, this issue is
published as a Feb.-March issue.
Citrus Leaves will return to a
monthly format in April.
Monica

Citrus Leaves
is the monthly newsletter for
employees and friends of CREC.
Citrus Leaves welcomes your
contributions, suggestions and
corrections. Editor, Monica
Lewandowski; E-mail
mmlew@crec.ifas.ufl.edu; Ext.
1233. Photography and graphics,
Gretchen Baut and Dr. Samunder
Singh; Production and
Distribution: Word Processing,
Barbara Thompson, Supervisor;
Kathy Snyder, Karla Flynn and
Linda Murphy; Customer Service,
Kathy Witherington and Nancy
Burke.


Pam Russ To Retire

Librarian and Webmaster Began
CREC Career in 1966


Pam Russ with her husband, Ralph.


Pam Russ, CREC's librarian and website
manager, is retiring on March 31.
Pam started her CREC librarian career in 1966,
managing what is now the largest agricultural
collection in central Florida with over 15,000
volumes. Pam has also maintained a sizable
collection of historical documents and
photographs. Over the years, she has adeptly
guided the library through changes in
computerization. In the 1990s, she created a
website for CREC and since then has overseen
its development and growth as webmaster.
Pam was suprisedby a small group of friends
and colleagues at a luncheon on Jan. 21, followed
by a centerwide cake reception. Dr. Gene

See Pam Russ to Retire, page 4

lt1niversity of
Florida President
Berniard Machen
Iichl %% itlh,igriculture
IInduilll leaders at
( RE( oil Feb. 4.
Pic'idc nt Machen and
itli IFAS idministra-
lion h1,Iic been
I\ij clill to IFAS
ccincl is Nore photos
on pai-c 2


From the Director
Some good news! We have received
acceptance letters from two faculty candidates
who were interviewed late in 2004 for positions
here at the Center. Dr. Reza Ehsani, Assistant
Professor of Agricultural and Biological
Engineering, has accepted the position of
Assistant Professor of Agriculture and
Biological Engineering at CREC, and will focus
on programs associated with precision
agriculture and citrus harvesting systems. Dr.
Ehsani and his wife will be moving to Florida in
April. Our second faculty position, Assistant
Professor of Food Processing Engineering, was
accepted by Dr. Jose Reyes, currently
completing post-doctoral studies at
Washington State University. Dr. Reyes will be
joining the CREC faculty in March of this year.
We are very happy with the outcome of these
two searches, and special thanks are given to
Dr. Bill Miller and the search and screen
committee for the precision ag/harvesting
position, and to Dr. Renee Goodrich and the
search and screen committee for the Food
Processing Engineering position. Other
activities around the Center include the review
and updating of our Center organizational chart,
and first steps towards making some changes
as indicated in our strategic planning efforts
over the past year or so. With other impending
staff and faculty changes, we are working to
invest personnel resources in the best way to
support the programs of the Center.

Thanks to UF President Machen, USPS and
See From the Director, page 4

Dr. Clayton
McCoy,
Professor of
Entomology,
is retiring in
May after 33
years. CREC
faculty and
staff are
invited to a
luncheon in his honor at CREC onApril 29.
Details will be distributed shortly.


.-" ..


11"1 '1





-2





Cd a
.9f i a
-A& % & Or


Presidential Visit
Left photo, Ito r: UF SeniorVice-President Jimmy Cheek, UF President Bernard
Machen, Florida House Representative Marty Bowen and CREC Center Director
Harold Browning at a reception with nearly 30 members of the Florida's ag
industry at CREC on Feb. 4. President Machen, whose area of expertise is
dentistry, told the audience "I am a newly converted ag person," and pointed to
a need for the Florida legislature to support of Florida agriculture. He encouraged
those in the audience to "make sure that we're answering ag's needs."
Representative Bowen is a Haines City resident and citrus grower whose district
(65) includes part of Polk County.
Also in attendance from IFAS: Executive Assistant Vice-President Dr. Joe Joyce,
IFAS Dean for Research Dr. Richard Jones, IFAS Dean for Extension Dr. Larry
Arrington, interim IFAS Dean of the College of Agriculture and Life Sciences Dr.
Wayne Smith, and Assistant Vice-President of Marketing and Communications
Don Poucher.


) EM", "1 AboN c. books, pubhCdUous, photogphs did
Above: Bert Harris, left, greets Above left, Shawn Crocker, manager other examples of UF/IFAS and CREC's work
Representative Bowen (right). Harris is a of field operations for Cargill Juice were on display.
former state representative and a member of the North America, Inc. and president of Below: the reception table was adorned with a
Citrus Research and Education Foundation the Hillsborough County Farm gold alligator sitting atop a globe, symbolic of
board. Also pictured: Mary Hartney from the Bureau, chats with President Machen. President Machen's theme, "A Passion for
Florida Fertilizer andAgrichemical Association Crocker formerly worked in Dr. Excellence." Flower arrangements, created by
(second from left) and Sr. Vice President Cheek. Grosser's lab at CREC. Shelby Graham, were set in oranges,
I Lcft Pi scidcit .i Lich is schedule completing the colorful display.


,llo\\ cd foi a quick \ init % ith Dr. Jude
Glossi'i 1iiill I.u Lboiato1 to learn about
I-a'diconcIillu. ,ciKLI improvement.

Left: And
SLavigne,
executive
Florida Ci
Mutual, s
as emcee
the recept


4i


y
top
at
itrus
erved
for
ion.


Other UF News:
A search is underway for the Dean for
Research and the Dean for the College of
Agricultural and Life Sciences, a position
currently held by Dr. Richard Jones, who is
planning to retire. There is also a search
for a new Dean for the College of
Agricultural and Life Sciences, a position
formerly heldby Dr. Jimmy Cheek, who has
assumed his new role as Senior Vice
President of Agriculture and Natural


Resources. Dr. Larry R. Arrington, Dean for
Extension, will chair the Dean for Research
search committee, and Dr. Joe DiPietro, Dean
of the College of Veterinary Medicine, will
chair the Dean for the College of Agricultural
and Life Sciences search committee.

The UF/IFAS Gulf Coast Research and
Education Center, formerly located in
Bradenton, is moving to their new facility in
Baum. CREC will manage 50 acres of citrus


for research at the Baum site. Their new
contact information is 14625 CR 672,
Wimauma, FL 33598, tel. (813) 634-0000;
Suncomline 514-6890. Programs atthe Gulf
Coast REC address ornamentals, vegetables
and strawberries. To view a photo of the
new facility, visit gcrec.ifas.ufl.edu.

Florida Museum of Natural History Butterfly
image gallery online:
www.flmnh.ufl.edu/butterflygallery







Flowering Info Online:
Gene Albrigo posts information and
advisories on citrus flowering: visit
crec.ifas.ufl.edu and click on the flo\c i
bud induction advisories" link in the
lower right hand comer.

Toll-Free Florida Citrus
Disease Hotline
1-866-365-3017
As we enter the flowering season,
Florida citrus growers should be on the
alert for outbreaks of postbloom fruit drop
(PFD), scab, and Altemaria brown spot.
Growers can call a toll-free hotline
sponsored by Syngenta Crop Protection
(1-866-365-3017) for the latest disease
reports. Dr. L.W "Pete" Timmer, Extension
plant pathologist at CREC, provides
current information on recent outbreaks,
the status of the bloom and other relevant
news on the hotline.
Information on PFD and other foliar
fungal diseases is available on Timmer's
citrus pathology website
(www.crec.ifas.ufl.edu/timmer), including
his PFD-Fungicide Application Decision
System (PFD-FAD) and the Alter-Rater
model for scheduling fungicide
applications for Altemaria brown spot.


Orie Lee, Bobby McKown Inducted

into Florida Citrus Hall of Fame


Florida citrus grower Orie Lee, who
has contributed greatly to UF/IFAS and
USDA research as a grower cooperator,
and former Florida Citrus Mutual
executive Bobby McKown were
inducted into the Florida Citrus Hall of
Fame at the annual Government Day
Luncheon on Feb. 21 in Winter Haven.
Lee, a St. Cloud native, has worked
withDr. Bill Castle, Dr. Jude Grosser and
several UF/IFAS and USDA researchers
on rootstock and variety trials,
providing the land, tree care and
resources to collect yield and other data.
Lee is widely regarded by scientists for
his intelligence and keen powers of
observation.
Lee's daughter, Laurie Lee Hill, read
his acceptance speech at the luncheon,
recounting how some of the experiments
on his property were developed. More
recently, he was involved in UF/IFAS
trials with new early-season varieties
Early Gold, Itaborai, Ruby and Westin,
and the mid-season variety, Vernia, as
well as numerous USDA trials.
McKown was the executive vice
president and CEO of Florida Citrus
Mutual from 1979-1998. He was


Dr. Hong Li (left), a postdoctoral researcher
who worked with Dr. Jim Syvertsen, presented a
seminar, "Spatial association of soil characteristics,
flooding and Diaprepes root weevil adults and
environmental control of larval survival," at CREC
on Jan. 27. The seminar covered her research on
the analysis of soil characteristics and possible
correlations with Diaprepes root weevil populations
in citrus groves. Dr. Li has accepted a faculty
position in soil management at China Agricultural
___ University inBeiiing.


instrumental in
trade negotiations
to preserve tariffs
on citrus imports,
and led the citrus
industry through *
the devastating
freezes inthe 1980s,
securing state and
federal assistance
for citrus growers.
McKown was also .s
a founding member
of the Citrus .
Research and
Education
Foundation at
CREC.
The Florida Citrus Hall of Fame recognizes
individuals who have made major
contributions to the Florida citrus industry.
Hall of Fame inductees from CREC include
Dr. Arthur F. Camp and Dr. Herman J. Reitz
(CR E C s first two center directors), Dr. W.L.
"Tommy" Thompson, C.D. Atkins, Dr. Edwin
L. Moore, Dr. Ivan Stewart, Dr. Robert Koo,
Dr. William Grierson, Dr. James Griffiths, Dr.
Ivan Stewart, Dr. John Attaway and Dr.
Mohamed Ismail.


Dr. Amer Fayad,
formerly a
postdoctoral
scientist in Dr. Ron -
Brlansky's
laboratory, returned
to his native country
of Lebanon to
accept a faculty
position at Notre
Dame University in
Beirut. Dr. Fayad began his new job in February,
and was slated to teach courses in general biology,
microbiology and plant physiology.


| I Plant Path and Friends meet Fridays from 11 am 12 noon
S 'in the BHG Teaching Lab. Students, postdoctoral scientists
and visitors are encouraged to present informal seminars
(topics not limited to plant pathology). Seminars this year:
SS Feb. 11, Dr. Elisabeth Knapp (postdoctoral scientist with
Dr. Dennis Lewandowski) presented a seminar, "Defective
S- | RNAs of Tobacco Mosaic Virus: replication, movement and
Above. Di. Li (second florn left) chats construction of derivatives that express foreign genes."
with Dr. MadhugiriRao (far left), Dr. Young Choi Feb. 25, Dr. Mohammed Afunian (above, sr. biological scientist with Dr. Dennis
(second from right) and Huang Shu at a farewell Lewandowski) )presented a discussion of his Ph.D research, "Molecular approaches
reception for Dr. Li that was held on Jan. 27 in Dr. to improving disease resistance in apples and pears."
Syvertsen's laboratory. March 4, "Sorting out the viruses infecting hibiscus in Florida," by Dr. Dennis J.
Lewandowski.





F'
i




"' i. ,,::. "
C",A=y'" Mf. **


Left: CenterDirectorDr. Harold
Browning presented Pam Russ
with a plaque honoring her nearly
4'I \ cji11 of service to CREC at a
surprise luncheon and cake
reception on Jan. 21.


Ii


F.


Right:
Gene
Albrigo -
(center)

Ralph and
Pam Russ.
Lower
right:
Vivian
Gregory
(left), who
works in
the
library, and Electron Microscopy Laboratory manager Diann
Achor (standing left) pose with Pam. Photos by Gretchen Baut


Pam Russ to Retire...
from p. 1
Albrigo, who organized the luncheon,
kept details of the luncheon so secret
that even some of the attendees were
unaware of the nature of the event. Pam
had previously expressed a desire for no
retirement fete, but Dr. Albrigo and others
felt it fitting to honor Pam's service to
CREC, the citrus industry and library
community for nearly 40 years.
The library includes books,
magazines, journals, reports, brochures,
newsletters and other documents related
to the citrus and ag industries. The
collection includes collections of the


Proceedings of the
Florida State
Horticultural Society rr
(1888-present),
FloridaEntomologist
(1917-present) and
collections of agriculture magazines.
Pam has also developed a searchable
database of over 23,930 popular and
technical articles on citrus. In addition
to assisting library visitors, Pam also
responds to numerous requests for
informationby phone or e-mail.
Pam has also been active in the
center's public relations activities
throughout its history.
C REC s library was established by


^ Excuse me, is your phone tab
S sticking up? We're talking about that
small piece of plastic on Cisco phones,
where you rest the earpiece. If you have a
e wall-mounted phone, the tab should be
sticking out, because it holds the handset
in place. If your phone is mounted on your
desk, however, this tab should be .m. rll
I pushed down. Otherwise, you may
encounter problems "hanging up the phone." Is this important? Well, besides
the hangup problem (your phone could be "off line" unless you mount it carefully),
it seems that CREC users are breaking the tabs off a number of these $260 phones.
So ... if your phone sits on your desk, tabs down, please.


Glk lfislll lhcirI fic lOIL Dcbr
.l\lhlln Cjnllll II 11 '4" DI Jllnn

at CREC, chacid the fist
library committee. Eunice
Wiederhold Moore, Dr. Ed
Moore's wife, was the
librarian. Before the
construction of the Ben Hill
Griffin, Jr. Citrus Hall, the
library was located in Building
24, where CRE s Business
Office is currently located.
Pam says that one thing has remain
unchanged over the years the center's
dedication to maintaining a world class library
for Florida's citrus industry.
Stop by the library sometime this month
to say "Thankyou" and "Happy Retirement"
to Pam.
And, in case you're wondering, search
committees have been established to hire a
professional staff librarian and a website
manager.


I


Im


: 4Y


I~


From the Director...
from p. 1
TEAMS merit increases were established and
awarded in January. Despite the lack of a raise
approved by the Legislature for 2004-05, President
Machen designed a plan for this year that called for
an average of 1.5% merit increase for eligible
employees in USPS and TEAMS. During January,
supervisors were asked for information necessary
to rank all eligible employees at CREC, resulting in a
merit raise across our unit that ranged from 0.5% to
4% in a few cases. Thanks to all who assisted in this
effort to reward the employees of CREC, and
congratulations to the staff on their excellent support
of the Center and its programs.

The new faculty accountability system came online
in February. This new system promises to provide a
very useful system for capturing Research, Teaching
and Extension program activities and
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9!







Meet... Lorraine Jones, Meredith Pretzie and Jessica Rini in the Business Office


Jessica Rini (right photo, standing right)
works part-time in the Business Office,
assisting with filing and photocopying of
credit card purchases and a myraid of other
office needs. Jessica, a native of Streesboro,
Ohio, was also lured to the Sunshine Sate
after spending winters in Florida. She plans
to attend Polk Community College and pursue
a career as a registered nurse. Jessica enjoys
hiking, the outdoors and reading.

Meredith Pretzie (lower photo) is a sr.
fiscal assistant in the Business Office who
works on SHARE accounts, purchase
requisitions and chargebacks for
various services. SHARE, Special
Help for Agricultural Research and
Education, is part of the University of
Florida Foundation. Prior to CREC,
she spent seven years in the finance
department at the Lockheed Martin
Corp.
Meredith proudly writes, "I am
originally from ATLANTA, GA.!!!" and
her hobbies are "horses, horses and
horses!!" She has four horses and
rides "whenever I get a spare ten
minutes."


Lorraine Jones (left photo, standing left)
joined the Business Office last summer, where
her primary responsibility is accounts
Payable. She also processes some credit card
charges. Her initial weeks at CREC were spent
S learning UF's new Peoplesoft system for
business functions.
Lorraine came to Florida by way of
Edmonton, Alberta, Thunder Bay and
Hamilton, Ontario. She worked for
International Harvester Co. of Canada for
several years and eventually decided that" I
had served my time in the Great White North."
After vacationing in Florida for the winter of
1982 and 1983, Lorraine decided to move to Kissimmee in
1984, and eventually moved to Polk County in 1989. Prior to
CREC, she worked for McLane Suneast, Scotty's Corp.Office and
Snavely Forest Products.
Lorraine's family includes her "wonderful husband" Jerry,
stepdaughter Jera, son-in-law Craig and granddaughter Sara.
Lorraine's free time is spent on her motorcycle, which she calls
her favorite toy. Family vacations are aIi\ .\ s" taken on their
Honda Goldwing motorcycle, and their travelogue includes trips
to Sault Ste Marie, Ontario, Missouri and New York, and several
excursions to the Blue Ridge Parkway. She also enjoys relatively
quieter activities such as sewing and reading.
"I enjoy working at CREC and have met several wonderful
people here," says Lorraine. Photos by Gretchen Baut


UF/IFAS Marketing and
Communications presented a workshop
at CREC onFeb. 25. The workshop provided
training towards improving
communications and relations with ( RE C s
various audiences. The importance of
identifying UF/IFAS as the provider of
information and services to Florida's citizens
was emphasized by the UF/IFAS marketing
and communications team. Ultimately, this *
value must be conveyed to our Above: Dr. Renee Goodrich(left) spea
legislators and decision-makers that (center) in a mock news interview as C
fund UF/IFAS programs. tapes the action.
Presenters from UF/IFAS Marketing
and Communications were Don Poucher, Liz
Felter and Linda Evans. Evans provided a train-
ing session on electronic newsletters.
Rod Hemphill, public relations director for the
Florida Farm Bureau representing the Ag Institute
of Florida, offered advice and tips on working with
the media, followed by a training exercise on
conducting interviews. Workshop participants
were divided into groups Each group then selected
a spokesperson to discuss topics of their choice
in a simulated interview setting. Special thanks
to Renee Goodrich, Richard Buker, Ron Muraro
(pictured lower panel, left), Jude Grosser and Bob Braddock for agreeing to go "on
camera," and to Gretchen Baut for her audio-visual expertise and camera work.


ks to Rod Hemphill Dr. Jude Grosser takes his
iretchen Baut video- turn speaking to the media.


E.

6
4:


Above, left to right: Dr. Masoud Salyani, Jack
Smoot, Liz Felter and Dr. Mickey Parish carry on
a lively conversation.






Florida Weed Science Societ'
50th Annual Meeting
Highlights
The 50th annual meeting of the Florida Wee
Science Society (FWSS) was held at CREC o
Feb. 22-23. Over 70 people attended th
meeting, which included contributed talks an
special presentations on the history of wee
science. Photos by Dr Samunder Singh an
Dr Monica Lewandowski; audio-visual for th
meeting provided by Gretchen Baut.
Florida Weed Science Society website:
www.floridaweedsciencesociety.com.


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haiidhlin,_ kc \ i s|ponsibihliic at lhk bc\' .,' tabl Gii
also helped keep the ice chests full during the meeting.


hL e,


I


t: Outgoing president James Shine, Jr. (left) from the Sugar Cane Growers
Cooperative handed over the president's gavel to Dr. Mesh Singh CREC
Piofcssoi of HoillcuiIliic lppci rii!lii Joe Ori'tiii \\-.s p|iSCnlcd %% ilh
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Left to right: John Taylor (Syngenta Crop Protection), Barbara Thompson
and Jane Wilson at the meeting registration desk. Linda Murphy and
Kathy Witherington provided assistance with banquet arrangements,
refreshments and decorations.


ih's & I*S ^ Far left: Dr. Steve
Futch moderated
the meeting on
Feb. 23 and
presented, i
"Herbicide application technology for effective citrus grove floor .l
vegetation management." Above right: Dr. Samunder Singh presented,
"Effect of basil on some citrus weeds: Competition or allelopathy?" by
Singh and Dr. Megh Singh.
Above left: Dr. Joe Noling presented, "Role of weed hosts
Sin population enhancement of sting and root-knot nema-
Sa r tode," by Noling and J.P. Gilreath. Above right: Dr. Richard
Buker coordinated local arrangements and the CREC tour.
He presented, "The relationship between weed competition
,, R and citrus fruit development: A time of removal study."
e aThe FWSS meeting attendees
toured CREC facilities. Far left,
the group toured the packing-
house and pilot plant and
viewed a variable rate chemical applicator with Dr. Bill Miller. Near left: Dr. Fred Gmitter provided
information on the citus plant improvement program.. Right, Dr. Jackie Bumrns, along with Dr. Yuan
Rongcai and Dr. Luis Pozo, provided information about abscission agents to aid mechanical
harvesting for citrus. Drs. Jim Syvertsen, Samunder Singh, Richard Buker and Monica Lewandowski
served as guides for the tour that was organized by Dr. Buker.


r WRSS

p, .Xb






Dr. Eddie Ueckermann (right
photo, standing right), spent a very
productive month at CREC working with
Dr. Carl Childers on the taxonomic
identification of predacious mites. "I
think we worked through 20,000 slides,"
said Dr. Uekermann, an acarologist from
the Agricultural Research Council Plant
Protection Research Institute in
Pretoria, South Africa whose area of
expertise is predatory and predacious
mites. These mites are predators of
certain mite pests and are of interest for
biological control applications. Dr.
Ueckermann previously visited CREC
in2001.


Collison Brentu (below right), a graduate student
at the University of Ghana in Accra, returned to his
home after spending six months at CREC, working
with Dr. Pete Timmer. Collison currently is working
on Phaeramularia leaf and fruit spot for his thesis.
He worked on various projects on fungal diseases
of citrus to learn methods of manipulating fungi and
controlling diseases of citrus.


CRE
Foundation
Left: Dr. Harold
Browning, Dr. Pete Timmer, Troy Gainey and others led a CREC grove
tour for the Citrus Research and Education Foundation. The CRE
Foundation supports CREC activities and iis involved in the management
.~kIN of the Center's grove property. The foudnation also sponsors Friends
of the CREC Library and CREC workshops, events, faculty retirement
events, spring and winter Centerwide employee events and Employee
of the Year awards. The Foundation also serves as a vehicle for the sale
of citrus publications at CREC.
The Board of Directors, shown below at their February business meeting, includes several representatives from the citrus industry as
well as retired CREC faculty. The meeting also included a presentation from IFAS Executive Assistant Vice President Dr. Joe Joyce about
the proposed IFAS budget. From left to right :immediate past-president Bill Barber, Ellis Hunt, Jr., Jack Norris, Bert Harris, president
John Neiswanger, Executive Director Dr. Harold Browning, Andy Lavigne and secretary-treasurer BusterPratt. Other board members,
not pictured, include Dean for Research Dr. Richard Jones, Dean for Extension Dr. Larry Arrington and Harold McTeer. For information
on the CRE Foundation or a membership brochure, please visit Dr. Harold Browning's office.

I I I I W vi,,,,l/a i ll,,


Upcoming Seminars at CR
Tuesday, March 22
Dr. Robert Braddock, Professor of Food
Science, UF/IFAS CREC
"Citrus By-Products for the Food and
Flavor Industries"
BHG Room 1, 11 am- 12 noon(10:45 am,
refreshments)
Tuesday, April 26
BHGRoom 1, 11 am- 12 noon(10:45 am,
refreshments)
Dr. Mickey Parish, Professor of Food
Microbiology, UF/IFAS CREC.


EC
"Alicyclobacillus-mediated spoilage of
low pH beverages."

118th Annual
Florida State Horticultural
Society Meeting
June 5-7
Marriott Tampa Westshore
The FSHS meeting includes presentations
and educational opportunities in citrus;
handling and processing; fruits;


vegetables; and ornamentals, garden and
landscape. Presentations are not limited
to strictly horticultural topics, but
include pathology, entomology, ag
engineering and related areas.
Meeting registration forms are online
at www.fshs.org. Registrants can also
pay their membership dues on this form,
which includes a copy of the meeting
proceedings. Members also have online
password access to the most current
issues.
For more information on FSHS, visit
their website: www.fshs.org.








Student Outreach and Accomplishments


This month's issue includes news on
science fair accomplishments! For those
unfamiliar with school science fairs, it
involves student research in science and
engineering topics (elementary to high
school). The students must complete a
research project, which can range from a
simple experiment to an extensive, in-depth
study. The students present their research,
typically in a poster-type display or exhibit
(some competitions involve oral
presentations), and are judged on criteria
such as scientific method, etc. There are
competitions at the school, county or
regional, state, national and international
levels.
Several CREC scientists and engineers
mentor students and serve as science fair
judges, an schools are always looking for
help in these areas. Dr. Russell Rouseff
served as judge in the chemistry cateogry
at Jewett Academy in December, and Dr.
Samunder Singh served as judges at Jewett
Academy and Denison Middle School in
December. Dr. Jim Syvertsen served as a
judge in the botany category in the Polk
County Regional Science and Engineering
Fair, and points to a need for experienced
researchers to lend their expertise to this
activity.
Dr. Syvertsen writes of his experience:
"I recently served as a Science Fair judge
in Botany at thejunior high school level. It
was a rewarding experience that
underscored the difficulties science
teachers must have getting students
excited about science. For example, half of
the experimental projects only treated one
plant to compare to one control plant.
Thus, we had discussions about
developing a hypothesis, experimental
design, replicates and variation. Even more
of a problem, one of the judges I worked
with did not appreciate why one needed
replications for valid testing. More
scientists from CREC need to volunteer to


be qualified judges in
these programs to get
kids excited about asking
scientific questions."
(The coordinator of this
science fair assured us
that this person would
not be asked to judge in


implementing a research project. However,
only a small portion of the population is
qualified to provide such guidance. CREC is
working on some web-based resources to
assist students with science fair and other
related activities, with a particular interest in
reaching students that do not have access
to research laboratory equipment and
facilities.
The State Science and Engineering Fair
of Florida will be April 6-8 at the Orange
County Convention Center in Orlando. This
article includes only a partial list of the
children and students affiliated with CREC.
Good luck to all our aspiring young scientists
and engineers! Remember, for all students
that participate in science and other activities,
the true prize is in the
excitement of learning and
discovery! Also, if you are
interested in being a judge
at the state fair, contact
Saioa de Urquiza
(surquiza@mail.ucf.edu) at
the State Science and
Engineering Fair of Florida
office.

Sanjit Singh, son of Dr.
Samunder and Dr. Shila
Singh, was awarded first .
place in the senior botany
category at the Polk
Regional Science and .-
Engineering Fair with the
project, Do mature
Valencia and Hamlin fruits
left in the trees after harvest
reduce yield the following
year?" Sanjit worked with
Dr. Jackie Burns at CREC. In addition to
the opportunity to compete at the state
science fair in April, $100 cash prize
sponsored by Publix and a gift from Fisher
Scientific. Sanjit is a freshman in the
International Baccalaureate program in
I Bartow.


Sravya Keremane
(upper right),
daughter of Dr.
Manjunath
Keremane and Dr.
Chandrika


future fairs). Ramadugu, is a ninth-grader in the
The science fair is a good activity that International Baccalaureate program at
gives students a chance to develop Eastside High School in Gainesville. Shehas
training and expertise in designing and been conducting research on genetic


engineering of
citrus and
tomato for cold
tolerance and
has already
amassed a long
list of
accomplishments.
In 2003, she was
awarded first
place in the
microbiology category and the grand
championship in the junior division of the
State Science and Engineering of Florida.
Also, in 2003, she placed in the top forty
and competed in the national Discovery
Young Scientists Challenge in
Washington, D.C., where she received a
$500 scholarship and the honor of a minor
planet named after her by the
Lincoln Laboratory.
In 2004, Sravya repeated as
winner of the microbiology
category at the state science fair
and received a $1000 scholarship
from the Florida Department of
Agriculture. She again placed in
the top 40 and competed
nationally in the Discovery
Young Scientists Challenge,
where she was awarded $500
scholarship and opportunities
to participate in a
"flight camp in Osh-
SKosh, Wisconsin
and spend a week
in Yellow Stone
National Park. The
Discovery Channel
aired an one hour
a i program about the
finals last
December, and her
work is featured on their website:
school.discovery.com/sciencefaircentral/
dysc/finalists/discwinners.html. She was
also profiled in the Oct. 2004 issue of
Florida Monthly magazine.
Sravya conducted much of her labora-
tory work in the UF Dept. of Plant Pathol-
ogy in Gainesville with her father, Dr.
Keremane, who has worked with Dr. Rich-
ard Lee on citrus pathology projects. Her
mother, Dr. Chandrika Ramadugu, also
worked at CREC as a postdoctoral scien-
tist with Dr. Dennis Lewandowski.

Shelby Flynn, daughter of Richard and
Karla Flynn, was awarded 3rd place in the
continued on page 9


More scientists from CREC need
to volunteer to be qualified
judges in these programs to get
kids excited about asking
scientific questions.
Jim Syvertsen


__







Student Outreach cont.
junior engineering category Polk Regional
Science and Engineering Fair with a project
involving a bridge made out of fettucine.
She received two awarded totalling $175
from UF Gator Engineering and the
American Society of Civil Engineers, who
also invited Shelby and her family to attend
a banquet where she would be recognized
for her achievements.
Shelby (right) was also top scorer in the
Reader's Digest Word Power Challenge at
Grace Lutheran Middle School. Her test is
being sent to Reader's Digest to compete
nationally. She was also chosen to
represent Grace Luther in a math
competition, Mathcounts.
David Futch (lower right), son of Dr.
Steve and Deborah Futch, placed third in
the zoology category at the Polk Regional
Science and Engineering Fair. His project
on endangered indigo snakes caught the
attention of Fox 13 news, where he was
interviewed for a segment by Ken Suarez.
This is the first year of a multi- year research
plan.
Bao Tram, a worked with Dr. Jim
Graham and Marty Dekkers at CREC, won
first place in the Senior microbiology
categoryand Best of Show in the senior
division at the Polk County Regional
Science and Engineering Fair. Her research
involved evaluating the effectiveness of
chemical treatments for citrus bacterial spot,
which is caused by a bacterium similar to
the species that causes citrus canker (citrus
bacterial spot is used as a "surrogate" for
citrus canker in research at CREC because
specialized quarantine facilities are required
in areas that do not have citrus canker).
Bao writes, "From a previous experiment
of using different concentrations ofRocksil
I calculated the amount of Aluminum it
contained to get my concentrations for this
experiment. I also used Kocide, the
fungicide used in the fields, as one of the
solutions to be tested. We used a more
natural approach to inoculating with 108
bacteria count. The results were interesting
in that the lowest concentration of
Aluminum had the most effect in reducing
[citrus bacterial spot]. I could have not done
my experiment without the tremendous help
of Dr. Graham and Mr. Marty Dekkers."
Bao's favorite school subjects are
science and math. After graduating from
high school this year, she will enter college
to major in chemistry or microbiology and
pursue a career in the medical field.


-r
nj --





Rhonda Schumann in Dr. Nigg's lab has
mentored science fair students the past three
years, this year mentoring a student with a
Carribbean fruit fly project. One of her past
students was Meredith Morton, a UF
journalism major who has worked at CREC
for the past two summers. Meredith, who
competed internationally with her science fair
projects, is interested in scientific writing and
will return to CREC this summer as a public
relations intern.

Other
Student
Outreach
Activities
Dr. Monica
Lewandowski did
five presentations to
7th grade girls about
careers in science at McKeel Academy of
Technology's "Girls Invent the Future"
workshop on Jan. 14. The event, which is
organized by the Girl Scouts, gives girls
exposure to various careers as well as
practical advices in areas such as self-
confidence and anger management.
Dr. Lewandowski also provided a CREC
tour to a Girl Scout troop from Lakeland on
Feb. 7.

CREC also participated in the Florida
Citrus Festival. A CREC exhibit in the Orange
Dome was part of the citrus exhibits, and
poster illustrating some of last year's
hurricane damage to citrus, created by


Gretchen Baut and George Brinkley, was
selected for display in the entrance of the
Orange Dome.
CREC's biggest participation in the
festival involved the school program. Area
elementary schools took field trips to the
Citrus Festival on Feb. 1-2. The students,
ages 4-7, participated in special programs
and activities that took place before the
festival was open to the public. Linda
Murphy (pictured below, somewhere in the
sea of students) helped thousands of


all


students plant citrus seeds, and Karla
Flynn bravely helped with a fingerpainting
activity. Over 1300 students attended the
program each day, so you can imagine how
difficult these assignments were.
Monica presented an educational skit,
sometimes addressing over 400 students
at a time! Monica portrayed a space alien,
traveling in a spaceship and landing in a
citrus grove at CREC. Through the window
of the spaceship, as seen as a Powerpoint
presentation, Monica and the
students explored different uses
for citrus fruit as well as some
insects, leaves and soil
encountered in the grove.
Gretchen Baut created alien
stage props, and student intern
Joseph Barnes created
k animations of a Diaprepes root
weevil and space probes
collecting leaves. Special thanks
to Gretchen for her audio-visual and video
expertise and creating stage artwork and
song verses for the presentation.
Larry, the sound guy for the Citrus
Festival, provided special effects with
colorful
stage lilus
Contra n to
rumor,
Monica didl
not pelfoin
this skit foi
Preside in
Mache n
visit to c
CREC.







Welcome Submitted to the Publications Committee in January
Welcome
Jennifer Vick OPS (Dr. Syvertsen) M. E. Parish and R. M. Goodrich. Recovery of PresumptiveAlicyclobacillus Strains from
Bill Swan OPS (Dr. Albrigo) Orange Fruit Surfaces. Journal ofFood Protection.
Steve Nagy OPS (Dr. Nigg) M. Salyani and J. Wei. Characterizing Citrus Tree Canopy Structure for Variable Rate
David Nikdel OPS (Dr. Salyani) Applications. Proceedings of the 5th European Conference on Precision Agriculture.
Karthik Karuppiah student, Gnv (Grosser) L. R. Parsons. Spring Irrigation is Essential. Florida Grower.
Nolan Rayburn is now working for Dr. K-R. Chung and L. W. Timmer. Update of PFD Controls in Florida. Citrus Industry
Parish Magazine.
S. Singh and M. Singh. Effect of Adjuvants on Trifloxysulfuron Efficacy and Chlorophyll
Did we miss you? Contact Monica Fluorescence of Sicklepod, Guineagrass, Yellow Nutsedge, and Cotton. Weed Technology.
Lewandowski at mmlew@crec.ifas.ufl.edu Kuo-Tan Li and J. P. Syvertsen. Mechanical Harvesting Has Little Effect on Water Status
orExt. 1233. and Leaf Gas Exchange in Citrus Trees. Journal ofthe American Society ofHorticultural

Farewell Sciences.
Steve Nagy OPS (Dr. Nigg) R. H. Brlansky, A. Roy, D. S. Howd, A. Fayad, and A. Kahlon. Aphid Transmission from
Steve Nagy OPS (Dr. Nigg)
Citrus tristeza virus Complexes. Fi,l r. i\,ii,.l,. -\.
Phillip O'Neill OPS (Dr. McCoy) Citrus tristeza virus Complexes. f h ,. .
y F F ( C W. S. Castle and T. R. Gottwald. Spatio-Temporal Analysis of Tree Decline Losses Among
Tammy Flannery FDOC (Dr. Cancalon,
S. Barro) Navel Orange Trees on Swingle Citrumelo Rootstock in Two Central Florida Citrus Groves.
S. Barros)
Richd B d OS (r. G ) Proc. of the 16th Conf IOCV Section Citrus Tristeza Virus.
Richard Bond- OPS (Dr. Gmitter)
Dr. Hong Li postdoc (Dr. Syvertsen) S. H. Futch, C. W. McCoy, J. H. Graham, L. W. Duncan, and H. N. Nigg. Field Diagnosis
Dr. Hong Li postdoc (Dr. Syvertsen)
Coll u s t T ) of Citrus Root Weevil Damage. Citrus Industry Magazine.
CollisonBrentu- student (Dr. Timmer)
A. W. Schumann, W. M. Miller, Q. U. Zaman, K. H. Hostler, and S. Buchanon. Variable
Dr. Eddie Ueckermann visiting scientist
Dr. ider Rate Granular Fertilization of Citrus Groves: Spreader Performance with Single-Tree
(Dr. Childers)
(Dr. Chil ) Prescription Zones. Applied Engineering in Agriculture.
H. N. Nigg, R. A. Schumann, E. Etxeberria, and S. Fraser. Consumption of Sugars byAnastrepha suspense Loew (Diptera: Tephritidae).
Journal of Economic Entomology.
L. G Albrigo. The Potential for the 2005-06 Crop after the 2004 Hurricanes. Citrus Industry Magazine.

Submitted to the Publications Committee in February
R. S. Buker, III. Five Essentials forYour 05' Weed Management Program. Citrus Industry Magazine.
H. I. Manner, R. S. Buker, IH, C. R. Elevitch, and V. E. Smith. Traditional Tree Initiative. World Wide Web.
S. H. Futch, L. G Albrigo, T. Obreza, L. W. Timmer, M. E. Rogers, J. H. Graham. Hurricane Recovery Citrus Production School. Citrus
Industry Magazine.
A. S. Guerra-Moreno, K. L. Manjunath, R. H. Brlansky, and R. F. Lee. AMulti-partite RNA Virus is Associated with Citrus Leprosis
Disease. Proc. of the 16th Conf IOCV
V. Orbovic and J. W. Grosser. Agrobacterium-Mediated Transformation of Citrus. Agrobacterium Protocols (Methods in Molecular
Biology).
C. C. Childers, R. Ochoa, J.C.V. Rodrigues, F. E. Lenis, and W. C. Welbourn. Pest Mite Species on Ornamental Plants from Central
America Imported for Propagation, Important Viral Diseases they Vector, and the Inherent Potential Risks of Exotic Pest Introductions.
Florida Entomologist.
T. Satyanarayana, C. J. Robertson, S. M. Garnsey, and W. O. Dawson. Generation of a Genetically Engineered MCA 13 Nonreactive Variant
of the T36 Decline Isolate of Citrus tristeza virus. Proc. of the 16th Conf IOCV.
C. J. Robertson, S. M. Garnsey, T. Satyanarayana, S. Folimonova, W. O. Dawson. Efficient Infection of Citrus Plants with Different Cloned
Constructs of Citrus tristeza virus Amplified in Nicotiana benthamiana Protoplasts. Proc. of the 16th Conf IOCV.
J.C.V. Rodriques, E. C. Locali, J. Freitas-Astua, E. W. Kitajima. Transmissibility of Citrus Leprosis Virus (CiLV-C) by Brevipalpus
phoenicis to Solanum violaefolium. Plant Disease Note.


51stAnnual Citrus Engineering Conference
March 10 CREC
Registration, $60
ENERGY SAVINGS AND OPPORTUNITIES IN THE CITRUS
INDUSTRY NathanielLewis, LeadEngineer, and (C /,.
Thomas, Lead Engineer Progress Energy

NEW SYSTEMS IN PLANT SANITATION Roger Beers, Ecolab
Food and Beverage Group

NEWPROCESSING TECHNOLOGY FOR WATERS AN
INGREDIENT Steven Moore, GE Water and Process Technology


24th Citrus Engineering Award Jay Oliver, Manager C.I.G
Accounts, Progress Energy

BIN AUTOMATION AND MANAGEMENT Rodney I,.
Director ofElectronics, Brown Citrus Systems Inc.

HURRICANEPANELDISCUSSION -LESSONS LEARNED
Moderator Barry L. Wilson, Safe Chem, Inc. Panelists are George
Baxter, Distribution Operation Manager Progress Energy; Jeff
Rogers, Americom President, Nextel Communications; ( l,,,
Lankster, Sales /National Accounts, Oakley Transport; Larry
Alexander Director Polk County Public Safety; and Thomas P
Hovanec, Director Citrus and Technical Operations, Tropicana
Products


- 10


I _ I ___ I _







Sun Mon Tues Wed Thurs Fri Sat


calendar.ifas.ufl.edu A* FloridaAgCalendar.com
UF/IFAS Extension Al l Ag industry events
events statewide statewide



1 2
Plant Path and
Friends

Citrus Pest Mgt
course 3-6 pm

3 4 5 6 7 8 9
Plant Path and
end of UF pay Friends
period
Citrus Pest Mgt
____ __ course 3-6 pm

10 11 12 Cef13 14 15 16
Certified rop ural
Florida Citrus Adviser Water Plant Path and
Nurserymen seminar Friends
meeting Fl Rural Citrus Pest Mgt
Water course 3-6 pm

17 18 19 20 UFpay21 22 23o
period
Plant Path and
Friends
Citrus Pest Mgt
course 3-6 pm

24 25 26 27 28 or. 29 30
Seminar: McCoy Retire-
Dr. M. Parish ment Luncheon
Plant Path and
Friends


All events subject to change.
13 Certified Crop Adviser Nutrient Mgt. and
IPM Educational Seminar. BHG 1-2.
Program online: www.crec.ifas.ufl.edu/cca

13-14 Florida Rural Water Assoc. seminar,
BHG 3-4.

26 Seminar, Dr. Mickey Parish, Professor of
Food Microbiology, CREC.
"Alicyclobacillus-mediated spoilage of low
pH beverages." BHG 1,11 am 12 pm
(10:45 am, refreshments).

29 Luncheon to honor Dr. Clay McCoy, BHG
1-2.

Classes at CREC This Semester:

Citrus Pest Management course offered at
CREC
Thursday, Jan. 6 -April 28, 2005; 3 6 p.m.,
BHG Teaching Lab


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,
krchung@crec.ifas.ufl.edu.







Sun Mon Tues Wed Thurs Fri Sat


calendar.ifas.ufl.edu M 25 FloridaAgCalendar.com
UF/IFAS Extension a rC Ag industry events
events statewide statewide



1 2 3 4 5

Plant Path and
Citrus Pest Mgt Friends
course 3-6 pm

6 7 8 9 Citrus .10 11 12
Seminar Dr. Engineering
Conference
Burns Conference Plant Path and
end of UF pay
period Friends
Citrus Pest Mgt
course 3-6 pm

13 14 15 16 17 18 19

Bloodmobile at Plant Path and
CREC, 9 am Friends
12 pm Citrus Pest Mgt
course 3-6 pm

20 21 22 23 end of 24 25 26
Seminar: UF pay
Dr. Braddock period
Plant Path and
Friends
FCPRAC Citrus Pest Mgt Friends
presentations course 3-6 pm


27 28 29 30 31
Easter


Citrus Pest Mgt
course 3-6 pm


All events subject to change.
March 8 Seminar, Dr. Jackie Burns,
Professor of Horticulture, UF/IFAS CREC.
"Abscission agents improve mechanical
harvesting capacity and selectivity."

8 Florida Citrus Production Research
Advisory Council proposal presentations.
BHG 3-4.

10 51st Annual Citrus Engineering
Conference. Program on page 10 and online:
www.crec.ifas.ufl.edu/CRECHOME/
Documents/CitrusEngineering05.doc

22 Seminar Dr. Robert Braddock, Professor
of Food Science, UF/IFAS CREC. "Citrus By-
Products for the Food and Flavor
Industries." BHG 1, 11 am 12 pm (10:45,
refreshments)

22 Florida Citrus Production Research
Advisory Council proposal presentations.
BHG 3-4.

23-25 HAACP workshop, BHG.

29 Videconference, Master Gardener
mid-year update. BHG 1, 1:30 4:30 pm.

30 Citrus Canker Task Force meeting.
BHG 2.

Classes at CREC This Semester:

Citrus Pest Management course at CREC
Thursday, Jan. 6 -April 28, 2005; 3 6 p.m.,
BHG Teaching Lab

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,
krchung@crec.ifas.ufl.edu.




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