Title: Citrus leaves
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 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: April 2001
 Record Information
Bibliographic ID: UF00087049
Volume ID: VID00016
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.

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UNIVERSITY OF
FLORIDA
Institute of Food and Agricultural Sciences


Dr. Harold W, Browning, Center Director
Citrus Research & Education Center
700 Experiment Station Road
Lake Alfred, FL 33850-2299
Tel. (St31 956-1151
Fax 186i3 956-4631


April 2001


Citrus Research and Education Center News and Information Volume 19, No. 4


In This Issue


Congressman Putnam To Hold
Town Hall Meeting at CREC .... 1
Dr. Arnold Shumann Joins CREC
Faculty ...................................
Dr. Knapp to Retire in Aprnl.......... 1

Twenty Greatest Engineering
Achievements ... ..................... 2

Chin Shu Chen Receives Citrus
Engineering Award ................... 3

Congratulations. Dr. Ochoa ........ 4
The Beauty of Venezuela ............ 4

SAM'S Club membership .......... 5
Citrus Canker Info..................... 5
Scientific Seminar Schedule ..... 5

News Around CREC:
Distance Education Catalogs .... 6
Seminars Workshops ........... 6

W welcome, Farewell.................... 7
CREC Soccer Players ................ 7

Manuscripts Submitted ............. 8

FL Phytopathological Society ..... 9


Citrus Leaves

Would you like to be a part of Citrus
Leaves? We welcome your contribu-
tions, suggestions and corrections.
Send to Monica Lewandowski, Ext.
233 or mmew@lal.ufl.edu.
Editor: Public Relations, Monica
Lewandowski; Photography:
Gretchen Baut; Production and
Distribution: Word Processing,
Barbara Thompson, Supervisor,
Kathy Snyder, Karla Flynn, Linda
Murphy and Justin Tabb; Customer
Service, Kathy Witherington,
Supervisor, and Nancy Burke.


Congressman Putnam
at CREC

Public Town Hall
MeetingonApril 11
U.S. Congressman
Adam H. Putnam
(FL-12) will hold a
town hall meeting
in Lake Alfred at
CREC onApril i1,
6 pm, in BHG
Room I. The
public is invited.
Congressman
Putnam represents District 12 in the U.S.
House of Representatives, which includes
much of Polk county, all of DeSoto and
Hardee counties, and portions of
Hillsborough. Pasco and Highlands
counties.
He is a native of Bartow, and graduated
from Bartow High School and UF with a
B.S. in Food and Resource Economics.
Elected to U.S. Congress in November, he
is also involved in his family's citrus and
cattle business.


Dr. Knapp To Retire in April


Dr. Joseph L.
Knapp, Extension
SIntegrated Pest
Management
(IPM) Specialist
for citrus and
Professor of
Entomology, will
retire onApril 30,
2001 after 24
years at CREC.
Dr. Knapp worked closely with
researchers, regulatory agencies and the
agricultural chemical industry to establish


Dr. Arnold
Schumann Joins
CREC Faculty


Dr. Arnold Schumann joined the CREC
faculty in February as Assistant Professor of
Citrus Nutrition. He brings over 15 years of
experience in agronomy and plant nutrition to
CREC.
A native of South Africa, Dr. Schumann
holds a Bachelor's degree and MSc. in
Agronomy from the University of Natal. He
See Dr. Shumann, page 8


grower education programs in IPM through
newsletters, publications, grower meetings,
demonstrations and grove visits. He is
recognized worldwide for his expertise in the
cultural, chemical and biological control of
See Dr Knapp, page 5


cl tirement Reception
for
Dr. Joseph L. Knapp
April 30
BHG Rooms 3-4
3:00pm


Citrus Leaves


--


J -









Twenty Greatest Engineering Achievements of the 20th Century

Mechanization ofAgriculture Ranks No. 7

This year's Citrus Engineering Conference, held at CREC in March, featured a photo display celebrating some of
the greatest engineering achievements of the 20th century. The achievements were nominated by professional
engineering societies, then selected and ranked by a committee convened by the National Academy ofEngineers.
For more information, visit 'w w.greatachievements.org.


1. Electrification the vast networks of
electncity that power the developed
world.
2. Automobile revolutionary manufacturing
practices made the automobile the
world's major mode of transportation by
making cars more reliable and
affordable to the masses.
3. Airplane flying made the world
accessible, spurring globalization on a
grand scale.
4. Safe and Abundant Water preventing
the spread of disease, increasing life
expectancy.
5. Electronics vacuum tubes and later,
transistors that underlie nearly all of
modern life.
6. Radio and Television dramatically
changed the way the world received
information and entertainment.
7. Agricultural Mechanization leading to a
vastly larger, safer, less costly food
supply.
8. Computers the heart of the numerous
operations and systems that impact our
lives,
9. Telephone changing the way the world
communicates personally and in
business.
10. Air Conditioning and Refrigeration -
beyond convenience, it extends the
shelf life of food and medicines,
protects electronics, and plays an
important role in health care delivery.


Tamn Nguyen lei i and Shere Buchanon
examine a photo display celebrating sonic
ofthe Greates Engineenng Achievements
of the 20th Century.


The tractor, combine and hundreds of
other machines gave farmers the
mechanical advantage they needed to
increase productivity and ease the
burdens of their hard lives.


11. Interstate Highways 44,000 miles of
U.S. highway allowing goods
distribution and personal access.
12. Space Exploration going to outer
space vastly expanded humanity's
horizons and introduced 60.000 new
products on Earth
13. Internet a global communications
and information system of
unparalleled access.
14. Imaging Technologies -
revolutionized medical diagnostics.
15. Household appliances eliminated
strenuous, laborious tasks,
especially for women.
16. Health Technologies mass
production of antibrotics and artificial
implants led to vast health
improvements.
17. Petroleum and Gas Technologies -
the fuels that energized the 20th
century.
18. Laser and Fiber Optics applications
are wide and varied, including
almost simultaneous worldwide
communications, non-invasive
surgery, and point-of-sale scanners.
19. Nuclear Technologies from splitting
the atom, we gained a new source of
electric power.
20. High Performance Materials higher
quality, lighter, stronger and more
adaptable.


"You have this tremendous capability) of feeding the world," Al Kurzenhauser told the audience at the 47th Annual
Cirrus Engineering Conference on March 22 at CREC. Kurzenhauser is Governor of the American Society of
Mechanical Engineers. "We have created better living conditions for the people of the world [in the last century]," he
said, referring to the Greatest Achievements
of the 20th Century. "You have this tremendous capability of feeding the world."
Agric cultural mechanization came in at No. Al Kurzenhauser at the -fth Annual Citrus Engineering Conference
7 in the list (see above). According to the on March 22 at CREC.
National Academy of Engineering, at the
beginning of the 20th century it took four farmers to feed 10 people. Today, a single farmer can produce enough food
to feed 97 Americans and 32 people in other countries. Twentieth century engineering has made the difference. The
tractor, the combine, and hundreds of other machines and devices gave farmers the mechanical advantage they long
needed to ease the burdens of their hard lives. The spread of advanced agricultural technology around the world
offers promise in the battle against hunger in the new millennium.

*2*


I







Chin Shu Chen Receives Citrus Engineering Award


Dr. Chin Shu
Chen, retired UF Professor of
Food Engineering at C REC, was
presented with the Citrus Engineering
Award at the 46th Annual Citrus
Engineering Conference on March 22
at CREC.
The award, which is sponsored
by Florida Power Corporation,
recognizes lifetime achievements the
field of citrus engineering. Recipients
are selected by the Citrus
Engineering Conference Commitee of
the American Society of Mechanical
Engineers Florida Section.
Susan Postans of Florida Power
Corporation presented the award to
Chen. which
includes a plaque
and a $1500
scholarship to be
designated to the
school of the
recipient's choice.
This year's
scholarship will
be donated to
CREC to support
graduate student
research and
research andusan Postans of]
education in presents a plaque
engineering. Phlt.l t a Baut.
Chen, a native
of Taiwan,
received a B.S. in Agricultural
Engineering from National Taiwan
University In 1963, he enrolled atthe


Florida
to Dr.


University of Massachusetts, one of
the first universities to establish a new
Food Engineering program. Chen. who
was among the program's first students,
obtained his M.S. degree from the
University% of Massachusens, and his
Ph.D. from North Carolina State
University.
Chen joined the scientific research
staff of the Florida Department on
Citrus at CREC in 1978 His work lead
to improved energy efficiency in the
operation of frozen concentrate juice
evaporators, at a time when energy
conservation was a top priority for the
industry.
Chenjoined the UF faculty at CREC
in 1985. He
expanded our
knowledge of the
fundamental
aspects of juice
pasteurization,
evaporation and
concentration,
and his studies
on the physico-
chemical
properties of
SPower Company juice are
Chin Shu Chen. important to the
operation of
citrus juice
processing
plants today. Chen's computerized
method for calculating the amounts of
sugars in citrus juice (known as Brix


and pound solids) is used by major
food companies, and his publication,
"Brix and Pound Solids Tables." is
widely used by juice processors.
Chen authored over 100 scientific
papers and holds patents for some of
his work. Most recent. Cher's was
instrumental in the development of a
new technique to clarify fruitjuice.
This process can be used by the
industry to improve current citrus juice
processing and develop new juice
products. He retired from UF on
September 30, 1999.
The one-day conference was
highlighted by presentations fiom
invited speakers on engineering
challenges and issues facing the citrus
industry. Over 200 people attended
this year's conference, which was
chaired by Tom Schell, Southern
Gardens Citrus.*


Dr. Galen Brown. FDOC, addressed The Citrus Engineering Conference is organized by a committee comprised
the audience about mechanical of members ofthe American Society of Mechanical Engineers. CRE C
harvesting. members include Drs. Bill Miller. Robert Braddock and Renee Goodrich.


Chin Shu Chen is the third
CREC recipient of the
Citrus Engineering Award.
The FDOC's Cedric
Donald Atkins received the
award in 1990 and UT's
James Kesterson in 1997.


~~ ~


FO-1-4 _0


e. .e








C congratulations ......


Dr. Francisco Ochoa completed his Ph D in Plant Pathology
from the University of Florida. Dr. Ochoa studied with Dr.
Richard Lee. His Ph.D. dissertation was entitled, "Citrus
Tristeza Virus: Molecular Characterization of Isolates For Use
in Mild Strain Cross Protection. Localization of the 5'-
Terminus and Heterologous Encapsidation."

Dr. Ochoa has accepted a post-doctoral position at the UF/
IFAS Gulf Coast REC in Bradenton, where he will work with
Dr. Jane Polston.
Dr. Richard Lee (left) "ith Dr. Francisco Ochoa and his
vdire, Olimpia.


Beauty of Venezuela .......

Dr. Francisco Ochoa presented a slide show of stunning sights and beautiful
photographs (taken by Francisco) of his home country of Venezuela.
Venezuela, on the northern coast of South America, has a varied landscape and
geography, from coastal regions to the Andes to savannas and grasslands and
even desert. Although the country has a tropical climate, some of the northern
Andean peaks have snow. Here, Dr. Ochoa shares some of his photographs
from Venezuela.


One of Venezuela's breathtaking beaches, Cata Bay
Beach in the I lenr Piltier National Park, Araqua State.


Francisco and Lucy at Quebrada laspe/
Canaima National Park, Gran Sabana-
known for its beautiful jade stone.

Photos by Francisco Ochoa.


Daughter Lucy on a trip to the desert at Los MeOanos
National Park. Falcon State, Venezuela.


Olimpia Ochoa in Bolivar City, IHoh\ ar
State. The architecture of the city is
typical of Spanish colonial times.


*4








Dr. Knapp Retirement ... from page 1


insects, mites, nematodes and plant diseases
affecting ctrus. Since 1977, he was author
and/or editor of the UF/IFAS Extension
publication, the Florida Citrus Spray Guide,
now known as the Florida Citrus Pest
Management Guide. He authored numerous
Extension publications, book chapters,
articles and research publications. He was an
active member of the Entomology Society of
America, where he served on numerous
committees and held section offices. He
served as Section Editor of "Citrus, Nut and
Avocado "Insecticide and Acaricide Tests"
from 1987-1992. Dr. Knapp was an active
member of the Florida Entomological Society,


serving as President in 1991. He also served
on committees and boards for the American
Registry of Professional Entomologists. In
addition, he was a member of the Florida
State Horticultural Society, International
Organization on Biological Control and the
Caribbean Food Crops Society He received
the Achievement Award for Extension and
the Florida Fruit and vegetable Association
"Research Scientist of the Year" award in
1997
Dr Knapp and his wife have relocated to
Gainesville and will be honored at a
retirnemnt reception at CREC on April 30,
3.00 pm n BHG The CREC community is
invited.


SAM'S CLUB ON-SITE
MEMBERSHIP DRIVE

April 9,2001
CREC Conference Room Behind Main Switchboard
10100am-2:30 pm
All CREC employees eligible
S35 tojoin or renew (Only cash or check accepted)
Reduced rates on additional family members
Field promotion only special rates not available in store
For the SAM'S Club nearest you, call 1-800-881-9180


Citrus Canker Inf
Canker deIr nammtnion
disinfection procedaes are
mandeaty for equipment and
peaonel working ea or
contacng any citrus plants
both upon entry and departure
ofanaa, regardless of
whether an infesaion has been
prov to exist Info is posted
on a bulletin board outside the
CRECMhb kom

UF/IFAS Citrus Pest Manage-
ment Guide fardecinam/
dieinf-ection guides:


FLDept ofAgncunture &
Consumerrvices


For quarati nemaps:



FloriB Ci rm Camber Mrad

fimi: 8004850-3781
Witer Ebhm- 800-282-5153
Pahletto: 941-721-6622
Immokaiec 941-658-684


- Upcoming Scientific Seminars -


Tuesday, April3
"Recent Advaces i Understandingthe
Flavor of Citras Juices"
Dr. Russell Rouseaf UF/CREC Professor of Food Science
BHG Room I 11 am-12 noon (10:45, refeshments)

Tuesday, April 10
"Citrus Peeling Iechnlogies"
Dr. Mohamed lsmail and Mr. Mark Thomas, FDOC/CREC
BHG Room I 11am-12 noon (1045, rfceshments)

Tuesday, April 17
"New and Always Changing Fed Disorders of Florida
Citrus"
Dr Mark Ritenour, UF/IFAS Indian River REC, Ft Pierce
BHGRoom I 11 am-12 noon (10.45, refreshments)

Tuesday, April 24
Bioogy and Epidemiology of Citrs Greasy Spot
Caused by Myczpk m k ci
Dr Sachindra Mondal, UF/CREC Assit-In Plant Pathology
BHGRoom I 11am-12 noon (10-45, refreshments)


Tuesday, May 1
"Somatic Hybrid Rootstocks ShowPrmise forTree She Control"
Dr. Jude Grosser, UF/CREC Professor of Horticulture
BHG Room I 11am-12 noon (10.45, refrshments)

Tuesday, May 15
"Physiological Factors Affecting the Respone of MatureValenia
Orange Fit to Abscissiao Chemicals"
Dr Rongcai 'Yan, UF/CREC Post-Doctoral Research Assoc
BHG Room 1 11 am-12 noon (10.45, refreshments)

Tuesday, May 22
Interaction Between Nemawode and Fmgal Pathoge of Citrus
Fibroos Roots"
Mr. Fahiem Elborai-Kora, UF/CREC Graduate Student
BHG Room I 11 am-12 noon (10:45, refreshments)

Tuesday, May 29
"Activity of Benomyl for the Control o Potbloom Fruit Drop of
Citrs Caused by Codlewarichm ac tafnm"
Ms. Nataha Peres, UF/CREC Visiting Scientist
[ 5 BHGRoom I 11 am-12noon (10:45, refreshments)







NEWSAROUNDCREC
NEWS AROUND CR4EC -


From Personnel
r Tnime Canis Die:
W Monday, April 9
Monday, April 23



CREC Graduate
Student Discussions
Tuesday, 4 -5 pm
BHG Teaching Lab

CREC Graduate students eral
invite you to join them every
Tuesday afternoon, 4:00- 5:00 pm in
the BHG Teaching Lab for an
informal discussion about research,
education etc. AdifferentCREC
speaker is featud each week. For
mote information, contactFahiem
Elborai Kora


ICS Faculty/Staff
Development Workshops
[FAS Communications Services (ICS)
offers workshops in various topics for
all personnel. Most of the workshops
are held in the UF/IFAS Distance
Education Center in Gainesville, but
many are offered by request at CREC
through the videoconferencing
network and are open to everyone at
CREC. For more information and the
full spring schedule, see: http://
distedifas ufl.edu/support/trainig.htbn

To sign up and request the
videoconferxeceat CREC, goto:
http://disted.ifas.nfl.edu/support/
trainingsgnup.htm
April 4 Designing a Corse With
WebCT
This session is targeted at faculty who
currently have a WebCT account or
about to get one. We will discuss is-
sues related to organizing and present-
ing course informaon with the bC
interface and how to enhance your
WebCT site with web pages and other
resource not available with WebCT.


UF Distance Education Catalogs Available
The UF Distance Education Catalog For Summer and Fall 2001 is now available
oine- dihtedifas.ufLedh pd^Suammer_ Fal2001_DE_Catalogpdf.
The catalog contains a list of UF distance education courses available by inteac-
tive videoconferencing. videotaped lectures and the world wide web for academic
course credit, a Professional Master of Agriculture degree and/or credits toward
Teacher/Professional certification.
Print copies of the catalog are available an the CREC library or the in reception
area in Building 24 (Main Reception Desk)
For more information on UF Distance Education, visit: distedIfas.uledrrnfo/


Information and Training Seminars -
All employees invited to attend
April 6
"Fire Safety and Fire ExtininaerTraining"
Mr. Lary Clud, Chie Lake Alfred Fire Deprtment
Friday, April 6- 11 am-12 noon
BHGRoom I

April 13
"Statistic: Comparison of Means- Contrt and Multiple Comparisons"
Dr. Ramon Littel, UFProfessor of Statistics
Friday, April 13 llam-12noon
BHGRooms 3-4

May 4
"Gere Homame d Wark Safety"
Mr. Larry Cloud, Chief Lake Alfred Fire Department
Friday. May 4 11 am-12noon
BHGRoom 1

May 25
"Staistics: Undertamling the Meaning ad Need of Replc tion"
Dr Ramon Littel, UFProfessor of Statstics
Friday, April 13 10am-12non
BHGRooms3-4


Sign up at distedifas.ufedm/pport/
trainingsigup.htm to request the
videoconferenceat CREC.


Apnl 25 or27, 2001 Saving Your Daa
MadingArthival CD-ROMs

Do you back-up your important computer
files on a regular basis? Is a Zip disk too
small to hold all ofyour data?
Make sure your important data is back-


*.6*


upby making an archival CD-
ROM. Ifyou've ever lost com-
pauer files to hard disk failure, this
workshop is for you.

April 25th 3.00-400 p.m. ORApril
27th 1:30-2:30p.m. Please note:
This is ONE workshop offered
TWO different times

Sign up at diutedifasufLedul
sopporthraiiagsigup.htm to
request the videoconfernce at
CRBC








A CREC Welcome to ....

Qi Fa Zheng OPS (Dr. Gnirier)
Dawn Brickman -OPS (Dr. Orhovic)
Jason Tesky OPS (Dr. Chung)
Clifton Adams OPS (Dr. Orbovic)
Dr. Wenwu Guo- Post-doc (Dr. Grosser)
Custavo Ramos OPS (Dr Gmitter)
Adam Wilson OPS (Dr. Gmitter)
Manuella Zude-Sassi (Dr. Miller)
Eric Livingston OPS (Kelly Morgan)
Dr. Yoseph Levy Visiting Sc ienisi (Dr.
Syverrsen)
Samira Fares OPS (Dr Zhang)
Daniel Tuzzolo Maintenance Specialist
(K.Jacobson)

S Congratulations to Travis (Dr
Timmer's lab) and Kelly
Roland on the birth of their
baby girl, Ta lor Brook (7 Ibs.,
14 oz., 20")

Our deepest sympathy to Shelby
Graham on the passing of her Uncle
Cliff


Farewell ....

Lace) Nagn OPS (Dr. Nigg)
Nicole Pearn-Smith -OPS (Dr. Nigg)
Dr. Dilip Ghosh Visiting Scientst (Dr.
Brlansky)
Connie Noxel Mailroom (K
Witherington)
Philip Bushong (Dr. Timmer)
Michael Adams OPS (Dr Albrigo)
Jose German Genta Visiting Scientist
(Dr.Timmer)
Dr. Francisco Ochoa graduate student
(Dr. Lee)
Dr. Oscar Oli0 ares-Fuster post-doc
(Dr. Grosser)
Bill Swan OPS (B. Nielsen)
Dr. Yu Changhe and Guo Tang (Dr
Gmitter)

Farewell to Bill
S Swran. who resides
in Florida hut
returns to their
summer home near
Lake Huron in
Michigan each year.


Farewell and Best Wishes to Dr. Yu Changhe
(top left) and his wife, Guo Tang (i 'p right'
from Dr. Gmitter's lab, who left for a new
position in Montreal. Also pictured, their
daughter, Ping Yu lo\ner letit and Er
Chunxian Chen's daughter (lower ri.hl I


44


Farewell and Best
Wishes to Connie
Notel Mailroom
Clerk.


Oscar Olivares-Fuster lett) in action.


CREC Soccer Players in Lakeland
For several years CREC fielded a soccer team that competed in a city league
in Auburndale. Last fall, the league discontinued its soccer league (the
league's main organizer left) so several CREC soccer players joined a team in
Lakeland. including- Angie Grant (Abscission Project, Dr. Burns), Elisabeth
Knapp (post-doc and plant virologist with Dr. D. Lewandowski), Oscar Olivares-
Fuster (post-doc with Dr. Grosser), Victor Medina (visiting scientist in the
Grosser lab), John Jifon (post-doc and plant physiologist in the Syvertsen Lab),
Raul Villanueva (graduate student in entomology with Dr. Childers) and
Abdullah AI-Zadadjali (visiting scientist in the Grosser Lab). Below, some
photos contributed by Hugo Aguilar.


John Jifon (far lell) and Oscar Olivares-Fuster
(far rihhti on the field.


Bottom row, soccer players Elisabeth
Knapp (left) and Angie Grant.
Top row, "cheerleaders" Zenaida Viloria
(Ic) and Natalia Peres.


Farewell and best wishes, Oscar!
Oscar Oln ares-Fusier. above, takes a breather
during a halftime break. Oscar returned to
Spain in March. His many friends wish him
good luck and best wishes!


*.7







Dr. Shumann.. .frompge I


received his Ph D. in 1997 from the Crop
and Soil Science Department at the
University of Georgia, where he studied
and conducted research with Dr.
Malcolm Sumner
Prior to coming to Lake Alfred, Dr.
Schumann conducted weed
management research at the Institute
for Commercial Forestry at the
University ot'Natal Most recently he
was involved in sugarcane nutrition
and nitrogen-use efficiency studies
with the South African Sugar
Association's Experiment Station in
Mount Edgecombe.
One of Dr. Schumann's interests is
using precision agriculture to improve
soil and crop management For
example, aerial mapping can be used to
detect areas of poor productivity in a
grove, then analyses of soil properties
in the grove can help identify causes -
and remedies for the low productivity.


He sees great potential for improving
crop management by studying in-field
soil variability and improving soil
management.
Dr. Schumann will also be involved in
nitrogen tenilizer studies for citrus. In
recent years there has been intense
pressure on agriculture to reduce the
leaching of nitrogen and other chemicals
into the groundwater Dr. Schumann will
will work with other scientists, regulatory
agencies, water management districts
and the citrus industry to develop Best
Management Practices (BMPs) that will
minimize effects on the environment and
optimize crop yields.
Other projects include studies on
applications of calcium, particularly
calcium nitrate, to alleviate temporary
deficits in calcium during flowering Dr.
Schumann is investigating whether
calcium treatments will help improve
flower set and fruit formation in citrus.


Dr Schumann has also sought
funding to a develop a portable meter to
measure leaf nitrogen in the field as a
tool to help growers in fertilizer
management
Dr. Schumann and his wife, Rhonda,
have a 14-year old daughter. S',kia His
lab and office are located in Buildng
7110,


Manuscripts Submitted in March 2001


L


S. Rabindran and W. 0. Dawson. Assessment of Recombinants That Arise from the Use of a
TMV-Based Transient Expression Vector. irolog.

M. Singh and S. Sharma. Bioecological Factors Affecting Germination ofPhaseybean (A lucrn ptiliun.
lauhvrin de ) and Gui neagrass (Panicum maximum). British Crop Protection Conference Il e'ed (R ].
Proc.).

W. S. Castle, M. Kesinger, and R. E. Rouse. The Current Situation in the Florida Citrus Nursery
Industry. Proc cedins of the International Society ofCitrus Nurserymen.

J. M. S. Scholberg, L. R. Parsons, T. A. Wheaton, and K. T. Morgan. Physiological and Production
Considerations for Improving Nitrogen Uptake Efficiency of Citrus. Proceedings ofthe International
Si cietl ofCitriculture.

P. J. Fellers and S. Pao. Citrus Fruits: Oranges Encyclopedia ofFood Science and Nutrition.

J.P. Michaud. Non-target Impacts ofAcaricides on Ladybeetles in Citrus: A Laboratory Study
Florida Entomologist.

J. P. Syvertsen and J. L Jifon. Very Frequent Fertigation Does NotAffect Tree Growth, Fruit Yield.
Nitrogen Uptake and Leaching Losses from Lysimeter-Grown Citrus Trees. Proceedings ofthic Florida
State Horticultural Sc'itl:


.8.









7th Biennial Meeting of the Florida Phytopathological Society
May 8 & 9, 2001

Hosted by Citrus Research and Education Center

The 7th Biennial Meeting of the Florida Ph)lopathological Society provides a prime opportunity to present phyiopaiholkgical
research or observations to other pathologists and related specialists from the region. If you wish to present a paper or discuss an
important issue on a special topic, contact the appropriate session moderators or a topic section leader For more information,
contact Pete Timrer at CREC or Richard Raid (561) 993-1564 or rnr@gnv.ifas.ufl.edu. Deadline for supplying titles to final ize the
program is April 6, 2001.

Tentative Agenda

Monday, May 7 PM Informal and Social (Hosted by Pete Timmer)

Tuesday, May 8
7 30 8 30 am Registration

8:30 am General Session (Invited Speakers)l

10:30am- Graduate Student Paper Competition
Florida Disease Updates

12:00 pm Lunch

1:30 -4:30 pm Concurrent Sessions
Bacterial Diseases (moderated by Dr. J. B. Jones) Chemical Control (moderated by Dr T. Kucharek)
Soil-borne Diseases (moderated by Drs, L. E. Datnoff& C. Stiles) \iral Diseases (moderated by Dr R Briansky)

6:00 -7:00 pm Social Hour
7:00-9:00pm Dinner


Wednesday, May 9
7:30-8 0am Registration

8 00 11:30 am Concurrenl Sessions
Biological and Cultural Control I moderated by E Rosskopf)
Molecular Plant Pathology (moderated by Dr. W. Song)
New and Resurgent Diseases and Diagnosis (moderated by Dr. T Shubert)

11:30-12 noon Short FPS Business Meeting
Adjourn


.9.










2001


Sun Mon Tues Wed Thurs Fri Sat


1 2 Dr. R Rouseff 3 4 5 6 7
"Citrus Juice I&T Seminar:
Fire Safety/
Flavor" 11 am Fire Safety
Fire Extin-
guishers
11 am
Grad student
seminar/4-5 pm
Seminar: S a si
8 9 DIsma &1 Supervisor's11 12 Se tistcs 13 14
M. Thomas Meeting. 8:30 am Extension "Comparison of
"Citrus Peeling District IV Means.. ."
Technol" 11 am Town Hall Mtg Faculty Mtg Dr. Litell 10 am
Grad student US Rep Putnam
seminar/4-5 pm 8 pm BHG

15 16 Seminar: 17 18 19 20 21
Dr. M Ritenour Faculty Mtg
"Peel Disorders" 8:30 am
11 am

Grad student
seminar/4-5 pm

22 23 Semi.ar: 24 25 26 27 28
Dr. S Mondal Centerwide Citrus Canker
"Greasy Spot" Staff tg Task Force
11am3 pm BHG
Grad student
seminar/4-5 pm


29


30
Retirement
Reception for
Dr. Knapp 3 pm


I, I I i i


Apr


All events subject to change.

April 2001
3 Recent Advances in Understanding
the Flavor of Citrus Juices" Dr. Russell
Rouseff, UF/CREC. BHG Room 1, 11
am-12 noon (10:45, refreshments)
6 "Fire Safety and Fire Extinguisher
Training" Mr. Larry Cloud, Chief Lake
Alfred Fire Dept. BHG Room 1, 10 am.
10 "Citrus Peeling Technologies"
Dr Mohamed Ismail and Mr. Mark
Thomas, FDOC/CREC BHG Room 1,
11 am-12 noon (10:45, refreshments)
11 Supervisor's Mtg, Packinghouse
Conf. Room, 8:30 -10:30 am.
11 Public Town Hall Meeting U.S.
Congressman Adam Putnam. BHG
Room 1, 6 pm.
12 Ext. District IV Faculty Mtg BHG, all
day.
13 Statistics Seminar: "Comparison of
Means Contrast and Multiple Compari-
sons." Dr. R. Litell, UF Prof. of Statistics.
BHG Rooms 3-4, 10 am-12 noon.
17 New and Always Changing Peel
Disorders of Florida Citrus." Dr. Mark
Ritenour, UF/IFAS Indian River REC, Ft.
Pierce BHG Room 1, 11 am-12 noon
(10:45, refreshments)
19 Faculty Mtg. BHG Rooms 34, 8:30
- 10:30 am.
24 "Biology and Epidemiology of Citrus
Greasy Spot Caused by Mycosphaerella
citr" Dr. Sachindra Mondal, UF/CREC
Assistant-In Plant Pathology. BHG Room
1, 11 am-12 noon (10 45 refreshments)
25 Centerwide Staff Meeting. BHG
Rooms 1-2, 3-5 pm.
27 Citrus Canker Task Force Mtg. BHG
Room 2, 9:30 am.
30 Retirement Reception for Dr. Joseph
Knapp 1'-IG 3 pm.




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