Title: Citrus leaves
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Permanent Link: http://ufdc.ufl.edu/UF00087049/00068
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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: August 2006
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Bibliographic ID: UF00087049
Volume ID: VID00068
Source Institution: University of Florida
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Dr. Robert "Bob" J. Braddock

Retires July 31, 2006


Dr. Harold W Browning,
Center Director
UF/IFAS Citrus Research
and Education Center
700 Experiment Station Rd
Lake Alfred, FL
33850-2299
Tel. (863) 956-1151
Fax (863) 956-4631

Citrus Leaves is the monthly
newsletter for employees
and friends of CREC.

Citrus Leaves welcomes
your contributions, sugges-
tions, and corrections.

Editor/writer: Katherine
Snyder; E-mail: snyderkm@
ufl.edu, ext. 1403;
Photography/Graphics:
GretchenBaut;Distribution:
Word Processing, Barbara
Thompson, Karla Flynn;
Events BHG: Linda
Murphy; Customer Service,
Kathy Witherington and
Nancy Burke

Current links available on
the CREC home page.

For current manuscripts
submitted for publication
go to: http://www.crec.ifas.ufl.
edu/publications/faculty.htm




For news from the Busi-
ness Office go to: http://
www.crec.ifas.ufl.edu/ser-
, .. .. k I,,, ,


Dr. Robert J. Braddock, Professor
of Food Science, retired from his
position at University of Florida, IFAS,
Citrus Research and Education Center,
Lake Alfred on July 31 after 36 years.
"Dr. Braddock made significant
contributions to citrus processing
technology and provided leadership for
over three decades. His presence on the
faculty at CREC will be missed," stated
Dr. Harold W. Browning, Center Director,
at the Faculty Meeting held on July 20.
Braddock was presented with a plaque
from UF/IFAS and a second plaque from
CREC recognizing those years of service
and contributions to UF/IFAS and CREC
communities.


Pictured left to right: Drs. Larry Duncan, Bob
Braddock, Ken Derrick, and Herb Nigg
photo by Dr Gene Albrigo


Lab Highlight August 2006
Dr. Ron Brlansky's Lab
This month's lab highlight joins Dr. Ron Brlansky, Professor of Pathology, specializing in Citrus
Systemic Pathogens. "The main emphasis of my research program is on systemic diseases of
citrus," stated Brlansky. "Currently our areas of research are on citrus tristeza, citrus blight, citrus
variegated chlorosis, citrus leprosis, and huanglongbing (citrus greening) diseases."
The detection and identification of the causal agents and their specific strains are important
in the control of these systemic diseases of citrus. "We use microscopy, serology, and molecular
methods to specifically detect these
systemic pathogens in citrus tissues,"
continued Brlansky. Many systemic
diseases of citrus are insect vectored; and
therefore, much of his current work also
concerns the interaction of pathogen,
vector, and plant.
"Much of our vector work is on exotic
citrus diseases such as stem pitting
tristeza, citrus variegated chlorosis, and
huanglongbing," said Brlansky, "and
must be conducted in quarantine facilities
outside citrus production areas." These
studies include the separation and
identification of the tristeza virus complex
using the brown citrus aphid, the vectoring Brlansky examines trees and fruit for greening
of the citrus variegated chlorosis bacterium photo by Gretchen Baut







(cont. from page 1 Brlansky Lab Highlight)


His research in the field of citrus processing and by-
products was devoted to finding solutions for common
industry problems. These encompassed the by-product areas
related to manufacture and quality of essential oils, feed mill
operations, mass balances and flow of process streams, and
use of alternate processing techniques, e.g., membranes,
high pressure, and
C02 extractions,
flavonoids, and
limonene.
His research
was conducted
with input and
cooperation from
his industry and
faculty colleagues
and graduate
students. Some Braddock watching over field experiment.
of these research
accomplishments benefiting the industry include use of
pectinase enzymes as processing aids to lower viscosity and
improve through-put and quality of pulp wash; establishing
benchmark yield data for total peel oil content of the
common citrus cultivars; establishing commercial feed mill
and oil recovery mass balances; applications of membrane
and alternate concentration processes for recovery and
quality upgrade of juice and by-products; bioconversion of
terpenes and citrus aroma chemicals for flavor applications;
applications of high pressure to citrus processing; and
VOC method development for citrus feed mill operations;
isolation and identification of citrus oil halogen compounds
contaminating peel oil.
Braddock has published over 100 manuscripts and articles
related to citrus processing and by-product technology
and utilization and quality improvement. These research
studies, general industry information about processing
operations, and product technical properties and utilization
are compiled in Braddock's 1999 book, "Handbook of Citrus
By-Products and Processing Technology" (Wiley & Sons, Inc.
NY, NY).
He was involved in developing the first full-time course
offered at the Lake Alfred campus, Citrus Processing Technology.
The course contents are offered to a mix of academic and citrus
processing industry students. To his credit, Dr. Braddock has
trained over 20 students, many of which are currently employed
within industry and academia. His accomplishments in these
areas provided intangible resources available to industry only
by such University programs.
In addition, Dr. Braddock is a Fellow of the Institute of Food
Technologies (IFT) and Professional member, a member of the
American Chemical Society, was a former Associate Editor for
the Journal of Food Science, was a past Chairman of the Florida
Section of the IFT, and received a Distinguished Service Award
from Florida IFT.
In retirement, Dr. Braddock plans to practice some of his scientific
expertise as an Emeritus Professor, improve his fishing skills, and
enjoy playing his clarinet in some musical organizations.


with sharpshooter vectors from Florida and California,
and the vectoring of the huanglongbing bacterium,
Liberobacter asiaticum, with the citrus psyllid, Diaphorina
citri from Florida.
In February 2006, Brlansky, in a collaborative effort
with Dr. Pete Timmer, Dr. Michael Rogers, and Gretchen
Baut (CREC), created the "Citrus Greening Disease
Identification and Management, Vol. I" training DVD.
The training DVD has been used in many field training
seminars in the citrus industry and are available free of
charge. If you are interested in a copy, you may contact
Dr. Ron Brlansky (ext. 1300) or Holly Chamberlain, CREC
Coordinator for citrus canker, greening, and other exotic
disease education (ext. 1302).
Currently working in Dr. Brlansky's lab are Senior
Biological Scientist, Dr. G. Ananthakrishnan (Anantha),
Ms. Elena Tellez-Rubio (OPS), Ms. Mary Brawley (OPS),
and Mr. Abby Guerra-Moreno (Ph.D. graduate student),
as well as continued collaborations with a previous post
doctoral associate, Dr. Avijit Roy. Dr. Brlansky also has
ongoing collaborations with Dr. John Hartung, USDA,
ARS, Fruit Lab, Beltsville, MD and with Drs. Vern
Damsteegt and Bill Schneider, USDA, ARS, Foreign
Disease and Weed Science Research Unit, Fort Detrick,
MD.

Etxeberria Makes Journal Cover

congratulations to Dr. Ed Etxeberria. For the second
time in a little over a year, a figure from one of his
manuscripts was used for the cover of a science journal. The
cover of HortTechnology, pictured
on the left, was created from
1 photos taken by Gretchen Baut.
Gretchen also worked with Ed to
create the figure layout. The figure
was taken from Ed's paper entitled
S"Anatomical and Morphological
^ Characteristics of Laser Etching
Depressions for Fruit Labeling,"
S Ed Etxeberria, William M. Miller,
Sand Diann Achor [16:527-532],
July-September 2006. The cover of
Plant
& Cell Physiology (pictured on Plan &
the right) was from the March
2005 issue was a figure taken Cell
from Exteberria et al. "Sucrose- Physiology
inducible Endocytosis as a
Mechanism for Nutrient Uptake
in Heterotrophic Plant Cells"
[46(3):474-481]. The figure .iB
(created by both Etxeberria and
Kathy Snyder) was a culmination
of photos taken by Diann Achor
in the Electron Microscope Lab.


(cont. from page 1 Braddock Retires)







CREC 2006 FSHS Best Paper Awards
Best Paper Awards for the 2006 Florida State
Horticultural Society Proceedings were announced
during this year's annual meeting. This year Drs. Carl C.
Childers and Michael E. Rogers received the Best Paper
AwardintheCitrus Section. Theirpaperisentitled"Chemical
control and management approaches of the Asian citrus
psyllid, Diaphorina citri Kuwayama (Homoptera: Psyllidae)
in Florida citrus."
Proceedings of
the Florida State
Horticulture
Society 118:49-53.
Childers accepted
the award for both
he and Rogers
from Dr. George
Pictured left to right: Dr. Jackie Burns, FSHS Hockmuth, FSHS
Chair for 2006-2007, Dr. Carl Childers, and Dr. Chairman of the
George Hockmuth, past FSHS Chair for 2005- Board 2005-2006.
2006. Photo by Dr. EdEtxeberria


Futch Receives National Finalist Award


D r. Steve Futch received
a "National Finalist"
communication award for a
citrus learning module/notebook
that was developed in 2005 and
used for Extension Agent and
Master Gardener training. The
recognition award of excellence
was presented at the National
Associationof CountyAgricultural
Agents meeting in Cincinnati,
Ohio on July 25. The developed
citrus learning module/notebook
NE


Futch during grove inspection.
Photo by Gretchen Baut


(also available as
Powerpoint CD)
was judged to be
in the top four
nationwide,thereby
receiving one of
the three national
finalist awards.
To be considered
for the awards,
you must be the
state winner in the
specific category.
All submitting
state applicants are
then judged with
a national winner
and three national
finalists being
selected.


Citrus Leaves Inspires Others

A few months ago, Citrus Leaves received a request
from Dr. Francisco "Paco" Garcia (former Postdoc
of Dr. Jim Syvertsen) to be added to the Citrus Leaves
mailing list. Little did we realize that our newsletter
became the guideline and inspiration for the new
Newsletter of CEBAS (Centro De Edafologia Y Biologia
Aplicada Del Segura),
University Campus of I'S .
Espinardo, Spain. The ~,9 C t C
first issue was published I iB tih
in May 2005, produced ..
by postdocs and students J jf
(pictured to the right).
The first issue contained .- .l r
a small interview with Dr. m
Syvertsen while he was
collaborating with Dr.
Garcia during his trip to P I
Spain at the end of last year. .
With the help of Dr. Ed PL
Etxeberria translating, the 4
following is the interview --". ..
published in Pa' Ciencia: -

Jim Syvertsen, University of Florida,
Citrus Research and Education Center, USA
Research Field: Environmental Stress
Physiology of Citrus Fruits

How did you learn about CEBAS?
Through by Francisco Garcia, CEBAS, during his visit
to my laboratory in Florida.
What do you know about Spain before your visit to
CEBAS?
I had a general idea since I have been visiting citrus
producing areas in Spain for several years.
What differences do you find between your country
and Spain?
At the scientific level, the enormous opportunities that
Spanish researchers have for studies abroad.
What advice do you give some people that may want to
visit CEBAS?
To plan and prepare their visit as well as possible to
maximize achievements, to prepare for a hot summer and
cold winter.

BHG REPAIRS UNDERWAY
PLEASE EXCUSE OUR APPEARANCE

Access to the Library and Library Annex must
be made through the westside entrance (near the
EM Lab) while construction is underway. Please
use caution while entering the construction
zone.








UPCOMING CANDIDATE SEMINARS


AUGUST 3, 11:00 A.M.. BHG RM 2
Dr. Philippe Rott, presently the Research Manager in Plant
Pathology (CIRAD, Montpellier, France), will be presenting his
seminar entitled "Leaf Scald of Sugarcane caused by Xanthomonas
albilineans: From a Pair of Boots to a Pair of Bases and Vice-Versa."
(Microbacteriologist Position)

AUGUST 7, 11:00 A.M.. BHG RM 2
Dr. Jianfa Bai, presently a Research Assistant Professor in Plant
Pathology and Director of the Gene Expression Facility at Kansas
State University, will be presenting his seminar entitled "Molecular
Approaches in Plant-Microbe Interactions." (Microbacteriologist
Position)

AUGUST 8, 11:00 A.M.. BHG RM 2
Dr. Steve Futch, presently is the multi-county citrus agent for
Hardee, DeSoto, Manatee and Sarasota counties since 1990. He will
be presenting his seminar entitled, "An Effective State Specialist
and Enhanced Extension Programs A Winning Combination for
Florida Citrus and UF." (Extension Horticulture Position)


AUGUST 9, 11:00 A.M.. BHG RM 2
Dr. A. Leonardo Iniguez, presently a Postdoctoral Research
Associate, Agronomy Dept., University of Wisconsin-Madison,
will be presenting his seminar entitled "Integrating Plant-Microbe
Interaction Studies and High Throughput Expression Analysis
to Address Prokaryotic Diseases of Citrus." (Microbacteriologist
Position)

AUGUST 16, 11:00 A.M.. BHG RM 2
Dr. Nian Wang, presently a Postdoctoral Research Associate, Plant
and Microbial Biology Dept., University of California-Berkley,
will be presenting his seminar entitled "How Do Plant Pathogenic
Bacteria Coordinate Their Virulence Traits?" (Microbacteriologist
Position)

Please check http://www.crec.ifas.ufl.edu/news for
upcoming seminars or date changes.


CREC EMPLOYEE NEWS


Welcome
Nick Gariti, Volunteer, Baut
Jenn Garceau, OPS, Orbovic
Dr. Yolanda Lluch, Postdoc, Burns

Farewell
Carolina Emanuels, OPS, Rouseff
Betti Kelley, Human Resources, Price
Marcia Alden, Librarian
Sridhar Jarughula, OPS, Dawson
Jenna Waters, OPS, Grosser


Colleen Morrison, OPS, Grosser
Ben Carter, OPS, Nigg


Retired
Dr. Robert "Bob" Braddock, Citrus Processing Technology


Transfers
Michael Simms, from Noling to M. Rogers
Shelly Jones, from Braddock to Reyes


C congratulations to Ashish Mishra (Ph.D. student, Dr.
Rezi Ehsani) for his wedding to Ekta. Ashish met Ekta
(his wife) during his trip to India during Christmas 2005.
Their wedding ceremony was held in Allahabad, India on
June 18, 2006. Ashish is working on hyper-spectral imaging
of Citrus canker and Hunglongbing (HLB). After completing
his PhD, he would like to go into the industry to hone his ex-
pertise. Ashish's hobbies include photography, music, driv-
ing, and cooking.
Ekta has a MS in
environmental
science, loves to
play guitar and
keyboard, and
also has a keen
interest in yoga
and meditation.
Best wishes for a
happy future. -o. p


Diptesh (Sunny) Sharma has received the President's
Honor Roll certificate for the year 2005-06. Students
appear on the President's Honor Roll if they achieve
a perfect 4.0 GPA with full-time enrollment of graded
academic work (no S-U) in the fall or spring semesters. Each
student so honored will receive the President's Honor Roll
certificate. Sunny is now a sophomore at UF (Gainesville
campus), majoring in Mechanical Engineering and a
double minor in Business r
Administration and Bio-
mechanics. He is currently
a part-time student for
the summer and an intern
in Dr. Reza Ehsani's lab
at CREC. Sunny is son of
Dr. Shiv Sharma, a post-
doctoral associate, at CREC II7
and Mrs. Udita Sharma. IB




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