Title: Citrus leaves
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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: September 1999
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Bibliographic ID: UF00087049
Volume ID: VID00009
Source Institution: University of Florida
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UNIVERSITY OF

FLORIDA
Institute of Food and Agricultural Sciences




Citrus Leaves

Citrus Research and Education Center News and Infi


Dr. Harold W. Browning, C
Citrus Research & Educe
700 Experiment Stati
Lake Alfred, FL 338
Tel. (941) 956-1
Fax (941) 956-4


Center Director
ation Center
ion Road
;50-2299
151
631



September 1999

Volume 17, No. 9


nrmation


Dr. Chen S. Chen To

Retire In September
I CREC Reception for
F Dr. Chen On September 30
Dr. Chen Shu Chen, Unnersit' of Florida Professor of
S Food Engineering, is retiring after 14 years at CREC. His
S accomplishments in citrus processing include the develop-
ment 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. Dr. Chen has
authored several key papers and books in the area of food engineering and juice
processing.
Dr. Chen v\ ill be honored at a reception on Thursday, September 30, 3:00 pm at the
Ben Hill Grifiln. Jr. Citrus Hall. Everyone is invited for cake and refreshments. Take
this opportunity to thank Dr. Chen for his many contributions to CREC and to wish him
best wishes in his retirement. To sign a card or contribute to a retirement gift for Dr.
Chen, see Nancy Burke or Kath\ Witheriniton at the CREC Switchboard.


New landscape plans for
Experiment itlLon Road
osoulthem approach).


















In This Issue
Dr. Chen to Retire..............
CREC Clean-Up Day ...,.... 1
Packinghouse Day ............. 2
Grad Student Profile: Hugo..
Aguilar ........................... 3
What Are Mites?.-..... ........ 3
CREC Travelogue ...
Costa Rica .................3.
Bill Clayton Retires ..............4


Zeynel DalkiliQ Graduates.... 5
Books to Read.....................5
From Personnel
Holiday, Time Cards/Records,
Open Enrollment, Deferred
Compensation Rep ......... 6
Trevor Gentry Graduates .....7
Citrus Leaves 30 years...
ago ................................ 7
Welcome and Farewell ........8


In Remembrance of Jack......
Beard ............................ 8
Publications .................. 9
Schools, Tours and Science.
Fairs ............................ 9
In-Service Training Courses .
Coming to CREC..............9
Calendar .......... ..... 10


CREC Clean-Up Day
When: Saturday, Sept. I8 (volunteer
clean-up day CREC yardwork and
landscape improvement projects)
Time: 8:00 am; BBO lunch at noon
What to Wear: Dress for yardwork
What to Bring: Gloves, hand tools for
yardwork if you have them (clippers,
pruning shears, etc.).


Plans for New CREC
Landscape Underway

Saturday Clean-Up Day Sept.
18th Will Kick-Off The Effort

Saturday, September 18, CREC will
hold a volunteer Fall Clean-up Day. The
goal for this day is to prepare CRFC for
new landscaping.
Landscape designs were created by UF
landscape architecture students last year.
Selected designs were modified by the in-
structor, Ramon Murray of UF's Land-
scape Architecture Department, for use at
CREC.
Initial plans call for new landscapingg
on Experiment Station Road, in front of
the center. In time, work will progress to-
wards Ben Hill Griffin, Jr. Citrus Hall, and
eventually to the rest of the center's prop-
erty. In time, several existing shrubs and
small trees will be removed. Large trees,
including the oak trees on Experiment Sta-
tion Road, will remain. Plans include the
construction of a large, permanent sign at
Experiment Station Road and 1" 92
Come join in this worthwhile effort -
it will -eall% make a dit'ferentr-


I







- CREC News Release -

CREC Packinghouse Day:

Canker, Fruit Cooling Hot Topics As Citrus Packers

Look To New Season


LAKE ALFRED Over 350 people from the citrus fresh fruit
industry gathered at the 38th Annual Packinghouse Day at the
University of Florida (UF) Citrus Research and Education Center
(CREC) on August 19. The event featured speakers and exhibits
on frcsh fruit packing. Canker and fruit cooling were among the
topics of the day.
The meeting was opened by Dr. Harold Browning, CREC
Center Director, and Dr. Mike Martin, the UIF Vice President of
Agriculture and Natural Resources. Dr. Mohamed Ismall, Fresh
Fruit Scientific Research Director of the Florida Department of
Citrus (FDOC). presented an overview of the department's work
on fresh fruit sanitation and fresh-cut citrus.
Martha Roe-Burke. Florida Citrus Commissioner and Chair-
person of the FDOC Food Service Committee, was the oral ses-
sion moderator. She applauded the FDOC's efforts in promoting
the health benefits of citrus, noting that the recent upswing in
grapefruit juice sales indicates that these powerful messages are
reaching consumers.


Scenes From Packinghouse Day.....


Canker A Concern
With canker now in five Florida counties, the citrus industry
has plenty to be concerned about, warned Leon Hebb and Ken-
neth Bailey of the Florida Department of Agriculture and Con-
sumer Services.
Citrus canker is a bacterial disease that affects grapefruit, or-
anges, limes and several other types of citrus. Diseased trees have
lesions on the fruit, stems and leaves, and suffer a decline in fruit
productivity and general tree health. The only way to prevent the
spread of canker is to remove and destroy affected trees.
Hebb, who is Chief of the Bureau and Pest Eradication and
Control, said that if canker continues to spread, it will change the
industry. "I believe we cannot continue to raise fresh or processed
grapefruit with canker [in Florida]", Hebb told the audience, many
of them grapefruit packers. Florida is currently the world's larg-
est producer of grapefruit.
Bailey, Citrus Canker Eradication Program Director in Miami,
outlined current eradication efforts throughout the state. Their
strategy is based on early detection and immediate removal of in-
See Packinghouse Day, p. 6


Dr. Mike Martin, UF Lce-Pre, iIent
of Agriculture and Natural Resources.
He and other UF Deanu. administra-
tors and faculty were at CREC on
August 18-19 to learn about I I -'AS
citrus programs.


Al


-4-
.C..,
S-



Left photo: L to R, Professor shi u,an Wan and Dr. Huating Dou at Packinghouse Day. Wan, a citrus
ScciLenist from Huazhong (C'enral C hina Agricultural University in Wuhan, China, came to CREC to
visit his former students, Dr. Zhanao Deng and Dr. Chunxian Chen from Dr. Gmitter's lab. Dr. Dou,
FDOC/CREC scientist, was a Packinghouse Day speaker. Right photo: Janus Morris (standing) and
Jane Wilson prepare for the over 350 panricipanL' a I'ackinghouse Day.


Dr. Will
Wardowski, It-
C RE( Professor
of Horticulture
and Packinghouse
Day Co( rdinmalr.
visits one of the
thirty-six exhibits
at Packinghouse
Day. Photo by
Terri Appelboom,


L, Mrs. Martha Roe-Burke, llnrida Citrus Commissioner,
was Moderator of the oral session. R, Dr. Mohamed
Ismail. FD()(' Fresh Fruit Scientific Reearch Director.


*2a







- Graduate Student Profile -


Hugo Aguilar Turns Lifelong Interest

In Insects Into Career

Hugo Aguilar has University orCosta Rica
collected insects since he Hugo attended the
was a kid. He's always University of Costa Rica
been fascinated with in San Jos6, and majored
insects, and it was no in Plant Sciences. He
doubt his destiny to found that entomology
become an entomologist. was his favorite course,
When he was a child, and he did a bachelor's
Hugo would spend hours thesis project on mites.
observing the ants in his Soon after, his research
mother's garden. "I'd P '. J advisor, Professor Luis
watch them for hours," Angel Salas, retired.
Hugo recalled. His sister Hu2o Aular ( RE-C. crduatrcl Based on his work and
noticed his interest and student studying with Dr. outstanding record at the
gave him a children's book Childers, sits with his book university, Hugo was of-
about ants as a Christmas "Phytogaphous Mites of Central fered the vacant faculty po-
present, a special gift that America: An llluitraied Guide," sition. right out ofcollege
he still has today. "It was by Ronald Ochoa, Hugo Aguilar Hugo spent five years at
my first entomology and Carlos Varga-. the University of Costa
book," Hugo said. Rica, teaching courses and
Today, Hugo's entomology book col- conducting research on mites.
election has grown from that first children' His work included studies on mite pests
book to include scientific textbooks and of strawberries, foliage and flowers. He
even books that he himself has co- secured grant funding for his work on
authored, strawberries and wrote several publica-
see Ag utir, page 7


CREC Travelogue..... Costa Rica
A Natural Paradise in Central America


Costa Rica is located in Central
America (see maps above). It is a scenic
country, and with 25% of its land set aside
as national parks or as research areas,
Costa Rica is dedicated to preserving its
natural beauty.
Costa Rica is a strong, democratic na-
tion and is considered very political)


stable. The country gained its indepen-
dence from Spain in 1821. Unlike other
Latin countries, Costa Rica has a large
middle-class. The country's health and
educational systems are excellent.

Geography: Beaches, mountains, rivers
see Costa Rica, page 7


What Are Mites?

Mites are arachnids, not insects.
Arachnids are a class of arthropods
that includes scorpions, spiders, mites
and ticks.

Acarology is the study of mites. Dr.
Carl Childers leads CREC's research
program on mites pests of citrus.
Some of CREC's early entomologists,
including W.L. Thompson, W.A.
Simanton and M.H. Muma are
pioneers in this field.


Amblyseius
/faerroni
SDenmark
and Lvans, a
S member ol
. Y,. and ban, a
the
S' Phytoseiidae,
'.r i .l major
Iamilvof
i i predaceous
mites. Hugo
\ selected this
c mite for the
article
b \because the
species,
f'erroni,
was named
after a friend of his, Regelio Faerron.

Some mites are beneficial because
they feed on other mites and insects.
Some beneficial species are used in
agriculture for pest control.

Some mites cause considerable
damage to citrus and other crops.
Depending on the species, mites can
cause fruit blemishes, hurt fruit
production and damage leaves, stems
and other parts of the tree.

Mites In Your Home: Dust mites are
common inhabitants of the human
household. They are not harmful, but
many people are allergic to them.

Chiggers are the larvae of a particu-
lar family of mites. Their bites can
cause itching and irritation.


*3


--~-- --- -L


7









- Bill Clayton Retires -


After a 30-year career at CREC, Bill
Clayton retired on August 31, 1999.
Clayton worked as an engineering
technician for Dr. Jodie Whitney for 15
years. Among his projects with
Whitney mechanical harvesters.
Clayton then moved to the Mainte-
nance Shop in 1985, after Lloyd
Henderson retired as Maintenance
Supervisor. Since then, Clayton's seen
a fair number of events and chances at
CREC. Many of these events are


recorded in his albums of
photographs and newspaper
clippings. Over the years,
he's kept photographic
records of maintenance
repairs (leak\ roofs, asbestos
and other interesting things),
building construction, and
other happenings around the
center. Some of his photos
are printed below.


After retirement, a trip
to Australia is in the
works. Clayton's wife,
Patricia, is Director of
the Polk Training Center
for Handicapped Citi-
zens, just around the
comer on State Road
559. She will also retire
in a few years, after
which they plan to to do
more traveling, and
hopefully take that
"dream trip", driving
cross country to Alaska.


Pages from Bill
Clayton's Scrapbook


1974 Bill Clayton accepting his 5-year
service pin from Center Director Dr. Herman
Reitz.


Lefh Iimm) \Willard Iro m the Maintenance Shop \ith his cotton patch in T1091 Right itrer
Hurricane Andrew ravaged the UF Tropical Research & Education Center in Homestead in
1992, CREC's Maintenance Shop personnel drove down to help in the cleanup and repair.
Clayton had a camera in
hand as CREC had a clear
view of the space shuttle
Challenger explosion on
January 28, 1986. Left:
before the explosion,
Challenger leaves behind a
trail of smoke as it heads
straight into the sky. Rieht:
the tral of smoke after the
explosion.


Two large cranes were used to install
CREC's new frozen concentrate evaporator
in 1991.


A-g Shop. Lca. 1975. L to R Bill C7la) on. Cl.,de Ma). Lett. Bert Robertson l'aihcr 11 Mlainic-
Bruce Robertson, Steve Ropicki, Ron Kroker, Wilson nance Shop's Bruce Robertson) and
Moore, Jack Lighiner Photo by Johnny Sumerall. Clyde May (ca 1986).


.4*


. ...... ...


~








- NEWS AROUND CREC -


Zeynel Dalikig Graduates, Returns Home to Turkey


Dr. Zeynel Dalkilig,
CREC graduate student,
was awarded his Ph.D. in
Horticultural Sciences
from the University of
Florida in Aueust. 1999.
Zeynel, who studied with .
Dr. Fred Gmitter, con-
ducted research on disease
resistance to Alternaria
and Phytophthora in
citrus.
Zeynel, who returned
to Turkey on August 26,
took with him 1,050 pounds of books
and belongings, and even more memo-
ries. But he left us with plenty of
memories and his contributions to the
study of disease resistance in citrus.
Zeynel was born in Esksehir,
Turkey. He earned undergraduate and
M.S. degrees in Horticulture from the


Books To

&. Read


Hurricanes and 6
Florida Agriculture
By John Attaway, Ph.D.

"Hurricanes and Florida Agriculture"
provides a narrative history of the
impact of hurricanes and tropical storms
on Florida citrus, subtropical fruits.
\ vegetables and other agriculture
throughout history. The story begins
with Christopher Columbus in the
Caribbean to the storms of the 1990's.
Dr. Attaway is the retired Director of
Scientific Research and for the FDOC
and UF Adjunct Professor Emeritus. He
has drawn on his 40-year career to
address this complex and important -
subject. (Published by Florida Science
Source. Inc.)


Uludag Universir) in
Bursa, Turkey.
Zeynel entered
UF's graduate program
in June 1994 after
being awarded a
Scholarship from the
Turkish High Educa-
tion Council for Ph.D.
study abroad.
While at CREC,
Zeynel played soccer
and volleyball. He
was a ke; force on
CREC 's championship soccer team this
spring, and an all-around inspiration to
his many friends.
After Zeynel returns home, he will
assume a position at Adnan Menderes
University in Aydin, Turkey.
Although Zeynel's home city was not
hit by the recent earthquake, the entire


We Band of Brothers
By Bill Grierson, Ph.D.

Dr. Bill Grierson, Professor Emeritus,
IjF CREC, was a Squadron Leader in the
Royal Air Force during World War 11,
In his book, "We Band of Brolhers." he
shares with us personal accounts of his
service career, from his training in
Canada to becoming Squadron Naviga-
tion Leader of35 Pathfinder Squadron,
and back to Canada to train aircrew.
Superbly descriptive narratives of
operations such as the attacks on Tirpitz
and raids over Hamburg are punctuated
by photographs and moving poetry.
To obtain a copy, call Dr. Grierson at
293-5453. Books cost $20, and only a
limited supply is available. (J & KH
Publishing)

Now available: Handbook of Citrus By-
Products and Processing Technology, by
Dr. Robert J. Braddock. Look for an
upcoming story on Dr. Braddock's re-
search on juice processing and by-prod-
ucts.


country, and the world, has been greatly
affected by this tragedy.
Before he left. Zeynel sent this
message to the CREC community:

My Dear Friends,
I do appreciate your friendship and
support for me during my graduate
studies at the L niversrvn of Florihj I
will miss you, but I am taking the good
memories with me to Turkey. My time
has been well spent in Sunshine State,
Florida
I hope to see you in the future again.
The follow ing will be my home and work
address. When I have an e-mail account
from my new university, I it l send it to
you.
Home address:
Akarbasi M.
Seyitgazi C.
Eminbey Apt.
No:44A/13 26020 Eskisehir-TURKEY
Phone: 90-222-239 8395
Work address:
Adnan Menderes Universitesi
Gazi Bulvari 39 S.
09010 Aydin-TURKEY

[Regardirng the earthquake in Turkey..
For info on how you can help with the
relief effort, the UF Turkish Student
Association is distributing the phone
number and web site of the American
Red Cross International Disaster Relief
Fund: 1-800-HELP NOW, hatr
www.redcross org 'doInte 'in ite-
now, html.]

I will seeyou,
Yours truly,
Zorro (AKA Zeynel) signs off..





New Area Code 863

863 is the new Area Code for Polk
County, effective September 1999.
941 will work until Ma% 2000.


*5*








Holiday: Sept. 6, Labor Day

Time Cards Due:
Sept. 13; Sept. 27

Open Enrollment
Sept. 13 Oct. 15
The open enrollment period for benefits
is Sept. 13 Oct. 15. Remember, if you
'WON' T be changing your benefits,
please return the benefits package that
you receive in the mail to the Personnel
Office. The Personnel Office needs all
unused packets and brochures.


Great-West Deferred
Compensation Rep at
CREC Sept. 14
Time is your best all\ in planning for
retirement. To learn more about The
State of Florida Deferred Com penrat ion
Plan, meet with Liz Wenta, Great-West
Deferred Compensation Representative,
Sept. 14. Appointments are available
from 8:00 am 12:00 pm. Sign up at the
CREC Switchboard. All employees,
including OPS, are eligible!


Canker, Fruit Cooling Hot Topics For Packers


Cont. from pa'e 2

fected trees. The agency has employed
over 550 employees in Brow ard and Dade
Counties alone, where canker was found
in 195,.
Bailey emphasized the importance of
the eradication efforts, noting that eradi-
cation is a small investment compared to
the effects on Florida's economy if canker
continues to spread.
To date, over 400,000 trees have been
removed from Broward and Dade coun-
ties alone. Although this area is primarily
urban, there are over 200 acres of com-
mercial citrus in these counties. These
commercial citrus operations are mainly
small "mom- and-pop" businesses, but the
ban on moving fruit out of canker quaran-
tine areas has had a devastating effect on
their incomes, Bailey said.
Hebb urged the packers to follow the
required sanitation procedures and guide-
lines for fresh fruit packing and transport,
warning them that if the\ let their guard
down, they could regret it later.
It is not uncommon for canker to go
undetected for a year before the infesta-
tion mushrooms, Hebb told the audience.
"[If you have] any suspicions that you may
have a problem, don't hesitate to pick up a
phone and make a call," he urged.

Keep it Cool
Postlhanest pitting is a disorder char-
acterized by unsightly blemishes on the
peel. The blemishes, which are brown-
black depressions, or "pits", render the fruit


unacceptable for fresh market. It is a prob-
lem that has plagued many a fresh fruit
packer.
These "pil'" are actually groups of col-
lapsed oil glands in the peel. The combi-
nation of warm temperatures and wax coat-
ings on the fru it lead to the development of
these blemishes.
The remedy is straightforward. although
not all that simple, explained Dr. Huating
Dou, FDOC/CREC scientist. Cooling the
fruit and keeping it cool can dramati-
cally reduce the incidence of postharvest
pitting.
Dou demonstrated that it is also impor-
tant to cool the fruit as soon as possible af-
ter packing. In a study with grapefruit and
Fallglo tangerines, postharvest pitting was
reduced if the fruit was cooled within a day
after packing. However, if the fruit is al-
lowed to sit at a warm temperature just two
da\ s prior to cooling, the incidence of
postharvest pitting increases substantially.
Dou stressed that rapid cooling and consis-
tent low temperature storage are key to re-
ducing postharvest pining
To cool the fruit, two pre-cooling sys-
tems room cooling or forced air cooling -
can be used in the fruit packinghouses.
These systems offer big advantages because
truck-trailer coolers are not designed to cool
the fruit, only maintain its temperature, ex-
plained Dr. Will Wardowski, UF CREC
scientist and Packinghouse Day organizer.
Fruit cooling not only helps reduce
postharvest pitling. but reduces fruit decay
and water loss.
Scott Lambeth from the Golden River


- From The Personnel Office -


Fruit Company in Vero Beach testified to
the benefits ofpre-cooling systems. Their
packinghouse installed two forced air-cool-
ing chambers last season. Lambeth under-
scored the benefits ofpre-cooling systems,
noting that they saw improvements in the
quality of fruit that reached export markets
and that customer satisfaction has been ex-
cellent.

Storing Oranges And New Advance-
ments For Packers
B\ selecting high-quality fruit and fol-
lowing sanitary practices, it is possible to
keep Valencia oranges in cold storage for
3-4 months with good results. La cording to
Bobby Bishop ofthe Dundee Citrus Grow-
ers Association. He outlined the practices
that have enabled them to provide oranges
to market throughout the summer, when the
aaiflabdiit of oranges typically becomes
scarce.
In new packinghouse advancements, Dr.
William Miller and Gregory Droulliard,
UF CREC agricultural engineers. have
identified techniques for measuring low
concentrations of ethylene gas. Ethvlcne
is used in packinghouses to hasten color
development in ripe oranges. The process,
called degreening. is typically used for
early-season fruit.
Ethylene is the same gas that ,given off
by fruits such as bananas and tomatoes. It
is the ethylene that hastens ripening when
you place these fruits in a closed paper bag
for a few days. In oranges, ethylene does
not affect fruit ripening, but it can be used
to degreee" the fruit.
In the past, electronic devices for mea-
suring ethylene have not been sensitive
enough for use in citrus packingiou s.e. and
this development will allow for the auto-
mation of the degreening process,
In other news, David Lester, General
Manager of Waverly Regulatory Associ-
ates, described changes in permitning con-
ditions for wastewater from citrus packing-
houses. These regulations are enforced by
the Florida Department of Environmental
Protection.
In the afternoon, participants were in-
vited to visit 36 vendor exhibit booths and
to view CREC's new packingline that was
installed during the past year.

- The above article is a September CREC
news release.


---- ---- -- ---------------- ---


---


1: 6 *








Congratulations to
Trevor Centri.
CREC graduate
Sstudenl with Dr
Robert Braddock. w ho
received his M S
degree mn Food
Science from UIF in
. August. He is noiu in
the Ph D program in
Food Science at
p Cornell Universeir .


From

Citrus

Leaves...

30 years

ago


From September 2. 1969:
Ivan Stewart was elected as a Fellow in the
American Society for Horticultural Sciences. The
honor was awarded on the basis of his "discovery
ofchelated iron as an iron source for citrus, diag-
nosis of molybdenum deficiency as the cause of
yellow spot disease, determination of zinc trans-
location patterns, and studies of nitrogen sources
and rates leading to current practical recommen-
dations."


Aguilar Pursues Graduate Research On Mites


Cont. from page 3

tions and books.

The Pacific Northwest
The opporrunir, to pursue a master's
degree arose when the chairman of Wash-
ington State University's Dept ofEntomol-
ogy expressed an interest in new graduate
students. Hugo was offered a graduate as-
sistantship and decided to pack his bags
and head north.
After completing his master's degree at
Washington State, Hugo intended on re-
turning to Costa Rica. but his good friend,
Ronald Ochoa, encouraged him to continue
his education. He told Hugo he didn't want
him to come home to Costa Rica until he
got his Ph.D.


Gator Country
Now, Hugo is working towards that
Ph.D. with Dr. Carl Childers at CREC.
Hugo first came to Florida in 1Q95, and
spent a semester in practical training with
Dr. Childers at CREC before enrolling in
the UF graduate program in January 1996.
Hugo is conducting studies on the
Tydeidae family of mites on citrus. He is
studying the biology, ecology and tax-
onomy of th is diverse group of mites, com-
mon to citrus groves.
Taxonomic identification of these mites
is complex and relies on morphological
characteristics such as the number and
placement of setae (chetotaxy). Hugo is
currently working to identify the species
found on Florida citrus and conduct fur-
ther studies that will help us learn more
about this family of mites.


Hugo is enjoying his graduate work at
CREC, noting that it has offered him many
valuable opportunities. He is especially
grateful to Dr. Childers for the opportunity
to travel to national and international sci-
enttfic meetings, where he has presented his
research and met other scientists in the field.
The chance to travel around the U.S. and to
other countries on mite and insect collect-
ing trips has also been beneficial to him, he
said.

Other Interests
Hugo lives in Lake Alfred. and was a
member of CREC's Championship Soccer
Team this spring. Hugo is great. interested
in natural history, and lest you think he is
only interested in small organisms, he loves
reading about dinosaurs and lcam ing about
their natural history, too. Music and mov-
ies are among his favorite pastimes. L


Costa Rica: Beaches, Mountains and Rainforests


Cont from page 3

and volcanoes abound in Costa Rica,
which is approximately the size of West
Virginia Some national parks have been
created around the active volcanoes, offer-
ing astounding sights.

Capital: San Jose.

Industries: Agriculture, primarily coffee.
Also bananas, ornamental plants (espe-
cially foliage). Other: fishing, textiles.
The presence ofpri ate corporations (Intel,
others) play an important part of Costa
Rica's economy.

Nature: Beaches, mountains and


rainforests are home to large numbers of
species. It is a paradise for insects, birds
and reptiles.
Half of all mammal species in Costa
Ricaarebats! Other mammals: fourkinds
of monkeys (cebus, spider, squirrel, and
howler), two kind of sloths. anteaters, ta-
pirs, manatees and more.

Food: Rice and beans are a staple. A typi-
cal breakfast includes rice and beans with
eggs, bread or tortillas and coffee called
gallopinto Lunch and dinner may include
rice and beans, salad, fried plantains and
meal (beef. pork or chicken) or fish called
casado, which means "married," and re-
fers to the "marriage" of all of these foods.


History: When Christopher Columbus vis-
ited what is now Costa Rica on his fourth
(and last) voyage to the New World, he saw
Indians wearing sparkling adornments.
Thinking this was the land of riches, he
named the area Costa Rica, or "rich coast."
Ironically. Costa Rica lacks gold and silver
mines, and was one of the more sparsely
populated areas in Central America.
The absence of minerals, as well as the
small Indian population, meant that early
Spanish settlers had to farm their own land.
This lead to the creation of a large middle
class of farmers. These are some of the fac-
tors helped shape the social and economic
structure that still exists in Costa Rica to-
day.


*.7.*


I ---








Welcome to ..... Congratulations to Angel and Nigel
Jessica Cook (OPS, Dr. Graham) Karla F I nn (Word Proc, B. Thompson Hoyte, parents of a baby boy, Rubin
Jean Eelman (OPS. Dr. Ca.tle) Eileen Albright (Word Proc., B. Thompson) Sebastian Hoyte, born Aiuust 13, 1999.
Sand) Hatch (ISD, M. Armstrong) Ana Schuermans ,Studcnt. Dr. Goodrich)
Daniel Kirpach (OPS, Dr. Nielsen) Michelle Troxler (OPS, Morgan)
Roger Theriault (Visitor, Dr. Salvani) Michelle Thompson (OPS, Dr. Childers)
Angel R. Orella (OPS, Dr. Childers) Gisela Rosa (Volunteer, Dr. Michaud)

Farewell and best wishes
to the following CREC employees, many of whom returned to school ....
Janine Allende (OPS, Dr. Nielsen) Candy Rey nolds (Business Office, Church)
Paolo Boucard (OPS. Dr. Castle) John Lee (OPS, Dr. Rouseff)
Katie Burke (OPS. Dr. Grosser) Graeme Lindbeck (Dr. Brlansky) .
Lihui Yuan (Student, Dr. Grosser) Douglas Miller (OPS, Dr. Miller)
Zeynel Dalkilic (Student, Dr. Gmitter) Ajia Paolillio (OPS, Dr. Parsons)
Holly Darhower (Dr. Timmer) Neil Pcrshon (OPS, Dr. Pao)
Danielle Fourmet (Chemist, Dr. Steve Rogers (Dr. McCoy) Mapr Siroi. Icft. and Candi Rcynolds,
Rouseffl Bill Clayton (Maintenance Shop. Jacobson) from the Business ()fce Candy,
John Griffis ( OPS. Dr. Grosser) Kathryn Thornhill (OPS, Dr. Singh) whose rcsponsibilhe. included Travel
Shannan HoobinOPS.Dr.McCoy) and Purchasing Cards, is now at a new
Sjob in a realtor's office in Lakeland.

In Remembrance of Jack Beard by Denise Dunn
Jack Beard, former i R.C CR i nioduiul Ser urim inmplr.t died on July 29. 1999. Denise Dunn submitted this letter ofremembrance about Jack

Jack was that guy who swept the floors, a simple task done by an unassuming man, whom, had he never spoken, we might never have
noticed at all. But Jack was seldom silent, and rarely did a day go by when he didn't share with his friends some great joke or anecdote. This
is the Jack we all knew and the Jack we ill always remember. This is the Jack who brightened our days with his celebration of life.
But there was so much more to Jack that unfolded with time, over early morning cups of coffee and late night encounters in the lab while
doing my research, that I am grateful to have known him, and thank God for his friendship.
From his pictures, we all knew that Jack loved to draw. The humor in his caricatures of some of us, showed that he saw the funny side of
life, especially to those of us who take life too seriously. But Jack didn't just draw pictures, Jack loved art, the art of life with all its motion.
color, vibrancy and light. He wondered at all things great and small. You could show him, under the microscope, life, teeming in a drop of
water, or talk about the wonder of DNA. He would excitedly tell me about some amazing show he saw on Discover about insect communi-
cation or the memory of elephants. He was genuinely interested in the work we do here, and was able to share in the excitement of our
discoveries.
But, maybe you didn't know that Jack loved to work of the impressionist painters. That Degas was his favorite who, with his dancers,
captured the simplicity of motion and the beauty of the female form. Or that he was captivated by Manet's "Abysinth Drinker," moved by the
depth of a past life, painted into a woman's expression. Jack loved folk music most, but he would memorize and sing words to country songs
so pathetic that, to him, they were funny. He found it interesting that the great composers like Mozart, Haydn, and Beethoven and the great
impressionists like Cezanne. Renoir and Monet all came together in a time synchrony, like artistic renaissance.
Jack loved the old west, gunslingers and heroes. He loved stories and artists' renditions of that past era. Some of us may still have some
of his sketches of cowboys and Indians Jack liked the openness and solitude of the wilderness. He lived several months in a tent one time,
just for the experience. He liked powerful cars and Harley Davidsons, and was recently considering getting a "chopper" just for old time's
sake. Jack enjoyed shooting skeet and target practice. Some of us went shooting w ith him. He taught me how to shoot the ten out of a target.
He told me once how much he liked to story of Don Quixote. He drew sketches of Don Quixote, his sidekick Sanco Panchez and their silly
donkey in their quest for love and the meaning of life. He was amused by Don Quixote's absurd sword fight with the behemoth windmill.
Jack was compassionate. He offered his friendship generously to everyone, and everyone who knew Jack loved him. He had friends at
Albertson's. He teased the women at Lifestyle's. We at CREC who knew him felt his friendship. He looked after his father in his gradual
decline. He seemed to love family and friends without condition, near and far. I rarely heard him say anything bad about anyone.
Jack and I talked about religion, creation, and the origin of life and its meaning. We talked about being a part of a vast comoleceness or
oneness. Though he claimed to be agnostic. he felt that in some way we go on. He liked the idea of reincarnation and believed in an
underlying power and order to all things. We talked about death. Jack and I. How it seems to be the punctuation mark of this life, well spent
in adventure and discovery, and a step into the next.
Jack is gone from us now and we will miss him. But, the manner of his passing unimportant, and not for us to understand. A single
definitive act in a lifetime of existence is not the measure of a man. I would not want my life to be rated on a decision made at a point of great
confusion, even if it was the last decision of my life. I will not do this to Jack, who brought so much friendship, laughter and love to those lives
he touched. Denise Dunn

*8*







Publications Submitted to the Publications Committee in August:
L. V%. simmer, S. E. Zilko. T. R. Gormnaid, and J. H. Graham. PhtiUphthora Bro n Rot or
CiIru, Temperature and Moisture F Flct~ on rnl'elion Produition and Dispertal Pltt DIr' eas, -
L. R. Parsons. Irrigation Mlanaricniti aid W\lter Relations oi Horticultural Crops //rtS',-et.-
A. G. C. Lindbeck and R. H. BrlanskL (. tology of Fibrous Roots from Bliyhl- Affected t rus
Trees,. Pllnt D l.'.AL'
Ulrich Hartmond, \ alter gender. and Jacqueline Burns. Cherniiall, Induced NAbcission ai% a
Tool in the Me.hanical Hiarlering of Florrda Ciirus 4, ti HrIrNLt:lurI.ri'e
W. W. Peeples, L. C. Albrigo, and P. D. Petracek. ftTlet', ol Coaling :in Q(ualilt ol Florida
Valencia Oranges Siored loir Summer "..al Procin.'-ri' li the Fl.ri.a Sitat Horn,:iliral 5I wt"l'
Andreas Brune, Mathias Muller. Lincoln Taiz, and Ed Echeserria. \ acuolar Acidification in
Citrus I ruitl Comparison bchmeen A.id _Lime it arlns aurandtloitai and Suieel I Imn (Citrris
limmtinuitode Ioice Cells. IPhistloir'i;a PlarIIMrum
W. M. Miller and G. P. Drouillard. Multiple F.ature \nal, sis for Machine \ isiun ( iradmg ol
FlInidd Curus. marnan. S''n t. y oj, lgrc cultural Enguners Papcr.
H. N. Nigg, S. E. Simpson, S. Fraser and E. Burns. Comparison oil 1 rap' and Lures for Fruit Flies.
Proceedings of the Florida State Horticultural Society.


Citrus Leaves


Do you have a story tip or idea? Would
you like to be a part ofa story? We
welcome your contributions and sugges-
tions.
Editor: Public Relations, Monica
Lcwandowskl: Ext 233, E-mail
mmlvew@lal.fl.edu, Office Building
7124, Room 122. Production and
Distribution: Word Processing, Barbara
Thompson, Supervisor; Customer
Service, Kathy Witherington. Supervisor,
Connie Noxel and Nancy Burke.


L. G. Albrigo. Effects of Foliar ApplILatiuon of Urea or Nutriphite on rlolcring and Yields of Valencia Orange Trees. Proceedings of the
Florida State Horticultural Society
Shiv D. Sharma and Megh Singh. Effect of Adjuvants on the L I'iu at of Glyphosate Formulations for Controlling Different Florida Citrus
Weeds. Pesticide Science Journal.
J. P. Syvertsen and S. M. Sax. F ruigairon Frequency, \k ering Patterns and Nitrate Leaching from Lysimeter-Grown Citrus Trees. iP Il e.nch
of the Florida State Horticultural Society
L. W. Duncan, R. N. Inserra, \V. K. Thomas, D. Dunn, I. Mustika, L. M. Frisse, M. L. Mendes. K. Morris, and D. T. Kaplan. Molecular
and Morphologic-l Analysis of Isolates of Pratylenchus ci/ff 'a and Closely Related Species. Nematropica.
Bill Castle. Rootstock Reflections: Is the Timing Right to Set Up Your Own Rootstock Inmestig.timan Citrus Industry.
M. Salyani. Optimization of Sprayer Output at )Dillerent Volume Rates. Transactions of ASAE/Applied Engineering in Agriculture.


Schools, Tours and Science Fairs -
School Visits, Tours
Monica Lc andos sk i, Public Relations Coordinator, will visit schools and conduct or
coordinate tours for schools and other visitors. She will also help out with science or citrus-
related questions from students. If you ever receive these types of requests and would like
Monica to coordinate or assist with these efforts, please contact her.

Would You Like To Be A Science Fair Judge?
If you are willing to be a science fairjudge, please contact Monica, as she is compiling a
list of potential judges. We sometimes receive requests for science fair judges from local
schools, and we also need judges for CREC awards at area science fairs. If ou have any
interest in students, you'll probably find it a fun and worthwhile experience. It's an excellent
opportunity for students, post-docs. biological scientists and others here at the center.
Science fairs need judges with math, computer and other related backgrounds as well as
biology, chemistry and other related fields. It typically requires a half or sometimes a full
day to participate as a judge.

Science Fair Web Sites
Here are some web sites with science fair project ideas and tips:
http .ww\w i1-ag.comnplanetag'menu.litm (Florida Dept of
Agric. & Consumer Services web)
http: ww t.asij ac.lp elementary/science.htm
http://www.cuesd tehama.k I2 ca us science. projectsites.htni
http- 'Ti cox miami.edu --ks\sanson sfpsites htm
hnp: kidscicnce.miningco corn libran weekhl aaO21798.htm
Ext. 233 or E-mail: mnmle\i' lal ull edu

Contact info: Monica Lewandowski, Ext. 233; E-mail:
mmlewria lal ul.edu Office- Building 7121. 2nd floor. Room 122


Advance Notice on
In-Service Training
Courses:

Courses are offered by I II -
Gainesville. Sign-up with Nancy
Burke at the Switchboard.

October 5, 1999
Room 1 BHG C inus Hall

9 am Noon: "What To Do First
When E[er thing Is Important:
Planning, Priorities and Deleation"

1 3 pm: "Compensating Your
Employees"

November 2, 1999
Room 1 BHG Citrus Hall

9 am Noon: "The Supervisor's
Role: Ever thing You Always
Wanted To Know About Being a
Supervisor"

1 3 pm: "Conflict Man igement"


9g.


~ ~







Tuesday Wednesday Thursday Friday Saturday


September 1999


1
Citrus Packers
Committee
Meeting


5 6 7 8
LABOR Sup'v. Mtg.
DAY
IDAY Dist. IV Mtg
HOLIDAY


13


20
Presentations
-Dr. Slinson


4. I


14


15


10 11
Pesticide
Application
Training


17


18


t I


21
Canker Task
Force Mtng.


22
ISC 2000
Tour Mtng



29


23
Faculty Mtg.
Video Conf.
Ext. Dean
Interviews


___________ I


30

Dr. Chen's
Retirement
Reception


24


Grad. Stud.
Comm-
Dr. Castle


25


ADVANCE NOTICE October
1-Seminar Lightning Safety
4-Video Conference-Extension
Dean Interviews
5-in-Service Training-Faculty &
Supervisors


1 Citrus Packers Committee
Meeting-Dr. Ismail, 3HG Rm. 1,
9 am 3 pm.
6 LABOR DAY HOLDAY
8 Supervisors' Mtg.-Dr. Browning
BHG Conf. Rm., 8:00 10:00 am.
8 District IV Secretaries/CEU's-Janus
Moms/Manlyn Norman. BHG
Teaching Lab/Room 4, 9:30 am -
3:30 pm.
10 Pesticide Application
Training-Salyani, BHG Teaching
Lab, 9:00 am Noon.
20 Presentations-Dr. Stinson BHG
Room 1, 8 am Noon.
21 Canker Task Force-Richard
Gaskalla, BHG Room 2, 9:30 am -
2:00 pm.
22 ISC 2000 Tours Committee
meeting-Dr. Castle, BHG Conf.
Room, 10:00 am 1:00 pm.
23 Faculty Mtg.-Dr. Browning. BHG
Room 4, 8:30 am 10:00 pm.
23 Video Conference-Extension Dean
Interviews, BHG Conf. Room,
10:00 am 11:30 am.
24 Graduate Student Comm.-
Dr, Castle, BHG Conf. Room, 10 am
Noon & pm 4 pm.
30 Dr. Chen's Retirement Reception-
BHG Room 4, 3 pm.
OCTOBER
1 Seminar: Lightning Safety, BHG
Rm 1, 11 00am- Noon.
4 Video Conference-Extension Dean
Interviews, BHG Conf. Room, 1:00 -
2:15 pm

5 In-Service Training-
Faculty & Sup'v, Rm 1,
9 am-Noon- "What to D First
When Everything is Important"
1-3 pm.- "Compensating Your
Employees"


12


19


26


27


28


Sunday Monday


September 1999




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