Title: SWFREC update
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Permanent Link: http://ufdc.ufl.edu/UF00091492/00005
 Material Information
Title: SWFREC update
Series Title: SWFREC update
Physical Description: Serial
Language: English
Creator: Southwest Florida Research & Education Center, Institute of Food and Agricultural Sciences, University of Florida
Publisher: Southwest Florida Research & Education Center, Institute of Food and Agricultural Sciences, University of Florida
Place of Publication: Immokalee, Fla.
Publication Date: March 2006
 Record Information
Bibliographic ID: UF00091492
Volume ID: VID00005
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.

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VOLUME 2, ISSUE I

MARCH 2006


SWFREC Update



SOSOUTHWEST FLORIDA RESEARCH
EDUCATION CENTER


Gulf Citrus Launches BMP Program


. UNIVERSITY OF
SFLORIDA

IFAS


The new best management practices (BMP) pro-
gram for Gulf citrus growers was officially un-
veiled on February 1.


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--low mbh,
Avow. VT .


The manual, Best Management Practices for Gulf
Citrus, is the result of nearly two years of work
on the part of several ; .r.... including
UF/IFAS, the Gulf Citrus Growers Association,
the FDACS Office of Agricultural Water Policy,
the SFWMD, the Florida Department of Envi- Da Fm Fh F s I. n ll
Duda Farm Fresh Foods Inc. near LaBelle
ronmental Protection, USDA-NRCS, Florida hosted the BMP celebration, where Flor-
Farm Bureau, Florida Citrus Mutual, and the ida Department of Agriculture and Con-
Charlotte Harbor National Estuary Program. summer Services Commissioner Charles
The manual was designed for citrus operations in Bronson was among the speakers.
Charlotte, Collier, Glades, Hendry, and Lee counties and when used by producers will help to protect
and improve water quality for southwest Florida. This effort is of special significance for the Caloosa-
hatchee River, which is an important nursery and fishery for many species and is an estuarine system of
national significance.

Three SWFREC faculty members were involved in the overall development of the manual: Dr. Kelly
Morgan, soil and water scientist; Dr. Bob Rouse, citrus horticulturist; and Dr. Sanjay Shukla, water re-
sources scientist.


Inside this issue:


Spotlight On . .
.. Vegetable Hort.
SWFREC Hosts Tour
Groups
SWFREC Staff News


Upcoming Events


Center Director's Corner


2


Cleanup continues of facilities at the SWFREC that were damaged by Hurricane Wilma
3 last November. Structural work and other repairs continues on greenhouses, and the
remnants of three out-buildings that were declared a total loss are being removed. Our
plan is to install one large building in the place of those three, and we hope to have that
3
project completed by July. ...... .
4 A new water well has been installed to bring irrigation to fields #3 and #4, and field
#4 has been planted with tomatoes by the vegetable horticulture program for its con- .
trolled-release nitrogen study (see ";I .., lI,1,, "page 2).

And eight acres of the SWFREC Foundation Grove have been removed so that the area can be prepped for
installation of a "model grove" designed to evaluate production and cultural practices with various grove
designs. The grove will include two varieties of citrus, Hamlins and Valencia Sweet oranges, on three
rootstocks: Swingle citrumelo, Cleopatra mandarin, and Flying Dragon trifoliad. The trees will be
planted at three spacings: 10 x 22, 12 x 24, and 8 x 12. Additional information will follow as this project
progresses.

Christine Waddill


ctwaddill@ifas. ufl.edu


l~f~i~"~


kl







SWFREC UPDATE


Spotlight On . .Vegetable Horticulture Program

The SWFREC Vegetable Horticulture Program is part of a statewide effort to improve production
efficiency, develop and implement new ni.. rl. .J.1., 1;. ., and transfer up-to-date information to vegeta-
ble producers and consumers. The program is led by Dr. Kent Cushman, who is assisted by senior
biological scientist Karen Armbrester.

One of the major projects underway in this program deals with best management practices (BMPs),
specifically the use of fertilizers in vegetable
production.


"First, we're looking at phosphorus fertiliza-
tion in the C-139 Basin and the effect of re-
duced phosphorus rates on vegetable yields
and quality," Dr. Cushman explains.
"Vegetable producers are moving into that
area because they are being displaced from
other areas due to urbanization.

"Second, we're looking at controlled-release
nitrogen products in experiments here at the
SWFREC. A trial we began in the fall was
flooded and destroyed by Hurricane Wilma.
We're repeating that study this spring, doing
the planned spring study, and doing an addi-
tional study as well."


G 39 Basin


A project examining phosphorus
levels in vegetable production is
under way in the C-139 Basin.


PAGE 2



I


Dr. Kent Cushman and biological scientist Karen Armbrester
examine a suction lysimeter in a tomato field planted at the
SWFREC.


Vegetable producers located in the C-139
Basin have agreed to participate in the phosphorus project. Crops and rotations are varied. Some are
tomatoes only, tomatoes followed by beans, beans followed by beans, and eggplant followed by beans.
With the first phase of the study underway, the group hopes to quantify the effect of reduced phospho-
rus levels by the end of the three-year project.

Another project in progress is the grafting of watermelon plants on resistant rootstocks.

"The interest in this area started as one angle of understanding the nature of vine decline disease, which
has become so prevalent in the area," Dr. Cushman says. "Interest has now grown to explore grafting
technology as a methyl bromide alternative. Myself and others throughout the state recently submitted
a proposal to the USDA for this project."

Since joining the faculty at SWFREC in August 2004, Dr. Cushman has spent a great deal of time es-
tablishing relationships with growers in southwest Florida and becoming involved with the Southwest
Florida Vegetable Advisory Committee.

"Vegetable production in this area is a lot different than in any other place I've been," he says, "so I
wanted to learn as much as possible as quickly as possible. You can read a lot or you can go out and see
it for yourself. The growers have been a great help."

Two additional projects have Dr. Cushman working in conjunction with entomologist Dr. Phil Stansly
and water resources scientist Dr. Sanjay Shukla, respectively: a Tomato Yellow Leaf Curl study that
explores levels of resistance and horticultural characteristics of commercial varieties and a water/
nutrient management study that compares three different systems being utilized in quarter-acre blocks.

For more information about the SWFREC Vegetable Horticulture Program, contact Dr. Cushman at
239-658-3400 or via e-mail at kecushman(ifas.ufl.edu.


i......~..
Ij







VOLUME 2, ISSUE I


SWFREC Hosts Leadership, Ag Groups in March

The Greater Naples Leadership group made the center one of its morning stops on March 8, when i
fifty-plus participants enjoyed a discussion about agriculture in southwest Florida. SWFREC agricul-
tural economist Dr. Fritz Roka served as a member of the panel, and vegetable horticulturist Dr. Kent
Cushman guided the group through an on-bus tour of the SWFREC. ..

The Collier County Extension Service Ag Tour brought two groups of nearly 120 people each to the
center on March 15. Following bus tours of the SWFREC property, participants enjoyed lunch at the
center. As buses made their way to a number of agricultural stops across Collier County, four
SWFREC faculty members served as on-bus tour guides: Dr. Cushman, Dr. Roka, citrus horticulturist Dr r oa a ers a quest
from a Greater Naples Leadership
Dr. Bob Rouse, and entomologist Dr. Phil Stansly. group participant.



SWFREC Staff News

* Dr. Phil Stansly, entomologist, attended the annual meeting of the Entomological Society of
America in December in Fort Lauderdale. He had two posters at the event: "Contribution of
Predation and Parasitization to Mortality of Citrus Leafminer Phyllocnistis citrella Stainton
(Lepidoptera: Gracillariidae) in Florida" and "Incidence of Diaphorina citri (Hemiptera: Homop-
tera: Psyllidae) and its Natural Enemies in Puerto Rico."

Several faculty and staff members attended the Indian River Citrus Seminar in January in Fort
Pierce, including: Barbara Hyman, education coordinator, promoted the IFAS Citrus Mechanical
Harvesting and Abscission Research Group with an exhibit; Dr. Fritz Roka presented "Citrus
Acreage, Production Trends, and Production Costs"; Dr. Bob Rouse, citrus horticulturist, pre-
sented "Hedging, Topping, and Windbreaks"; and Dr. Stansly presented "Biological Control of
Leafminer and Psyllid." Bf C
Rouse
Dr. Kent Cushman, vegetable horticulturist, attended the American Society of Horticultural Sci-
ence Southern Region Annual Meeting in February in Orlando. He presented a poster, "Grafting
of Triploid Watermelon on Squash and Gourd Rootstocks," and a talk entitled "Okra In-row Spac-
ing Alters Plant Growth and Yield in South Florida."

Assistant scientist of agronomy Dr. Ike Ezenwa gave two presentations at the American Society of
Agronomy Southern Branch Annual Meeting in February in Orlando: "Is Creeping Signalgrass an
Alternative to Bahiagrass for Cow-Calf Grazing in Florida?" and "Plant Crop Sugarcane Responses
to N-rate on Organic-amended Vs. Non-amended Mineral Soils."

Dr. Ed Hanlon was appointed the Soil Science Society of America Executive Committee represen-
tative to the S890: North American Proficiency Testing Program Oversight Committee, an inter-
national program for the documentation of soil testing laboratories, which he helped to establish
in the 1990s.

Dr. Pam Roberts, plant p lri. .1.... r, attended the 92nd Annual National Watermelon Convention
Hanlon
of the National Watermelon Association in February in Lake Tahoe, Nevada. She participated on
a panel that led a discussion about watermelon vine decline.

Soil and water scientist Dr. Kelly Morgan was named faculty representative on the Florida Auto-
mated Weather Network management team in January. And he presented a poster titled
"Irrigation Scheduling Tool for Citrus Production Using Estimated Daily Reference Evapotranspi- PAGE 3
ration" at the USDA-CSREES National Water Conference in San Antonio, Texas, in February.







SOUTHWEST FLORIDA
RESEARCH AND
EDUCATION CENTER

2686 State Road 29 North
Immokalee, FL 34142


Phone: 239-658-3400
Fax: 239-658-3469
E-mail: swfrec@ifas.ufl.edu


UNIVERSITY OF

FLORIDA

IFAS





We're on the Web!

http://swfrec.ifas.ufl.edu







Upcoming Events

April 6: IFAS Citrus Mechanical Harvesting and Abscission Field Day. 8am-3:30pm, SWFREC,
Immokalee. The event will include discussion about the economic and technological aspects
of mechanical harvesting, as well as an opportunity to observe two currently viable systems
and an abscission demonstration. To register, contact Barbara Hyman at 239-658-3415.

April 12: Certified Crop Advisors Seminar. 8am-5pm, SWFREC, Immokalee (and via videocon-
ference at additional locations). Weed control, 3 CEUs; past, present, and future fertilizer
supplies, 5 CEUs. For more information, call the SWFREC, 239-658-3400.

April 13: 2006 Forage/Beef Workshop: Weeds and Weed Control in Pastures in S W FL. 8am-1pm,
SWFREC, Immokalee. For more information and to RSVP, call the SWFREC, 239-658-
3400. .
April 20: Peach Field Day. 10am-lpm, SWFREC, Immokalee. Event will focus on varieties,
cultural practices, and marketing for peaches in central and south Florida. For more informa-
tion and to RSVP, call 239-658-3400.

May 23: Citrus Squeezer Seminar: Topic to be announced. 10am-lpm, SWFREC, Immokalee.
For more information and to RSVP, phone Hendry Co. Coop. Ext. Service, 863-674-4092.

June 3: Sixteenth Annual UF/IFAS Farm Safety Day and Tractor Rodeo. 7:45am-3pm, SWFREC,
Immokalee. Registration forms will be mailed to companies in late April/early May.

June 20-21: 2006 Florida Cattlemen's Association Convention. Marriott Resort, Marco Island.
For more information, link to the following Web site: www.floridacattlemen.org/fca/. Be
sure to stop by the SWFREC booth in the trade show.




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