Title: Vegetarian
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Title: Vegetarian
Series Title: Vegetarian
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Creator: Horticultural Sciences Department, Institute of Food and Agricultural Sciences, University of Florida
Publisher: Horticultural Sciences Department, Institute of Food and Agricultural Sciences, University of Florida
Horticultural Sciences Department
Publication Date: August 2002
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Bibliographic ID: UF00087399
Volume ID: VID00454
Source Institution: University of Florida
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Vegetarian Newsletter


A Vegetable Crops Extension Publication
Vegetarian 02-08
August 2002


University of Florida
Institute of Food and Agricultural Sciences
Cooperative Extension Service


(Note: Anyone is free to use the information in this newsletter. Whenever possible, please give credit to the authors.
The purpose of trade names in this publication is solely for the purpose of providing information and does not
necessarily constitute a recommendation of the product.)
Vegetarian Archive



n Print Version





* GCREC Tomato Variety Evaluation Spring 2002
* Tomato Varieties for Florida
* Growing Carrots Organically


* No article this month

List of Extension Veaetable Croos SDecialists


I Events alender0I


American Society for Horticultural Sciences. (in conjunction with XXVI International Horticultural Congress). Toronto, Ont.,
Canada. August 11-17, 2002.
The South Florida Drip Irrigation School: Managing Water and Nutrients in Vegetable Production. Homestead, Fla.,
Thursday, August 22, 2002, 8:15 a.m.- 4:00 p.m. Contact: Teresa Olczyk (305) 248-3311 x232.

Florida Tomato Institute. Ritz Carlton Hotel, Naples, Fla. Begins September 4, 2002. Contact Charles Vavrina for information.

Cucurbitaceae 2002. Naples Beach Hotel and Golf Club; Naples, Fla. December 8-12. Contact Don Maynard (941)751-7636 x239
or dnma@mail.ifas.ufl.edu .


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I Commercial V egetab leProductio


GCREC Tomato Variety Evaluation Spring 2002


In 2000-2001, 43,800 acres of tomatoes were harvested in Florida, yielding 63.7 million 25-pound cartons worth over $588 million.
Tomatoes accounted for over 34% of the total value for all vegetables grown in Florida during 2000-2001, making it the most important
vegetable produced in the state. The Palmetto-Ruskin area (west-central Florida) accounted for over 36% of the state's total fresh
market tomato production in 1999-2000.

A tomato variety trial was conducted in spring 2002 at the Gulf Coast Research and Education Center-Bradenton located in west-central
Florida to evaluate fresh market tomato varieties and breeding lines. The replicated yield trial included 27 entries.

Seeds were sown on 15-16 February into planter flats containing a commercial mix. Transplants were fertilized periodically with a liquid
20-20-20 (N-P205K20) to sustain growth during production. Plants were conditioned before transplanting by limiting water and nutrients
in the final phase of production.

The land was prepared in early February. Beds were formed and fumigated with methyl bromide:chloropicrin, 67:33 at 350 Ib/treated
acre. Banded fertilizer was applied in shallow grooves on the bed shoulders at to provide 282-0-392 Ibs N-P205-K20/A after the beds
were pressed and before the white polyethylene mulch was applied. The final beds were 32-in. wide and 8-in. high, and were spaced on
5-ft centers with six beds between seepage irrigation/drainage ditches, which were on 41-ft centers.

Transplants were set in the field on 4 March and spaced 24 in. apart in single rows down the center of each bed. Transplants were
immediately drenched with water containing 16 fl. oz/acre of imidacloprid for silverleaf whitefly control. Four replications of 10 plants per
entry were arranged in a randomized complete block design. However, data is reported for only two replications because of poor growth
in the other two replications. Plants were lightly pruned, staked, and tied.

Plants were scouted for pests throughout the season. A preventative spray program was followed for management of plant pathogens.

Fruit were harvested three times at or beyond the mature-green stage on 7 May and 20-21 May and 3-4 June. Tomatoes were graded
as cull or marketable by U.S. standards for grades and marketable fruit were sized by machine. Marketable fruits of each size were
counted and weighed.

Seasonal yields from three harvests ranged from 1634 cartons/acre for HMX 0800 to 2967 cartons/acre for Fla. 7973. Twenty other
entries had yields similar to those of Fla. 7973. All but one entry produced yields greater than the state average yield for spring 2000 of
1693 cartons/acre.

Yields of extra-large fruit varied from 1256 cartons/acre for ACX 12A to 2543 cartons/acre for Fla. 7926. Yields of Fla. 7926 extra large
fruit were not different from those of 17 other entries. Large fruit yields ranged from 169 cartons/acre for RFT 0252 to 707 cartons/acre
for 'Lucky 13'. Cull fruit for the entire season varied from 12% by weight for RFT 0252 and 'Florida 91' to 30% for ACX 12A. Blossom-
end rot, rough shoulders, and small fruit were the principal defects during the latter part of the season. Average fruit weight was from
5.5 oz for 'Lucky 13' to 7.6 oz for RFT 0417. TYLC- infected plants ranged from 0 for several entries to 60% for HMX 0800. Over 80%
of the entries had at least one infected plant.

Yields in the spring 2002 season were similar to those in recent spring seasons at this location. Exceptional experimental hybrid
performers in spring 2002 were Fla. 7973, Fla. 7926, HMX 1803, XTM 0227, Fla. 7810, HA-3060, and TY00-568.


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Table 1. Seed source, total marketable yields, and average marketable fruit weight, for fresh
market tomato entries in spring 2002. (Harvest Dates: 7, 20-21 May and 3-4 June 2002.)
Total Harvest


Entry
Fla. 7973
Fla. 7926
HMIX 1803
BHN 591
BHN 586


XTMl 0227
Fla. 7810
HA-3060
Florida 47
TY00-568


HA-3650
PX150535
RFT 0417
ASX 911
RFT 0247


EX 1405037
RFT 0252
SVR 1432427
Agrisel 761
Florida 91


Lucky 13
HA-3636
Fla. 7964
Sanibel
ACX12A


RFT 6153
HMIX 0800


Source
GCREC-UF
GCREC-UF
Harris MIoran
BHN Research
BHN Research


Sakata
GCREC-UF
Hazera
Seminis
Hazera


Hazera
Seminis
Syngenta
Agrisales
Syngenta


Seminis
Syngenta
Seminis
Agrisales
Seminis


Agrisales
Hazera
GCREC-UF
Seminis
Abbott & Cobb


Agrisales
Harris MIoran


Total X-Large Large
---------(cartons/A'--------


2967 a'
2799 ab
2787 a-c
2749 a-c
2717 a-c


2666 a-c
2652 a-c
2652 a-c
2626 a-c
2615 a-c


2602 a-c
2596 a-c
2593 a-c
2521 a-c
2511 a-c


2500 a-c
2492 a-c
2473 a-c
2452 a-d
2410 a-d


2391 a-d
2275 b-e
2260 b-e
2138 c-f
1837 d-f


1752 ef
1634 f


2467 ab
2543 a
2429 ab
2380 ab
2358 ab


2351 ab
1903 bc
2255 ab
2209 ab
2195 ab


2325 ab
2322 ab
2385 ab
2157 ab
2224 ab


2257 ab
2310 ab
2134 ab
1926 bc
2141 ab


1390 cd
1904 bc
1934 bc
1904 bc
1256 d


1505 cd
1370 cd


409 c-e
208 d-f
281 d-f
318 c-f
311 c-f


267 d-f
629 ab
327 c-f
363 c-f
358 c-f


244 d-f
237 d-f
182 f
313 c-f
268 d-f


214 d-f
169 f
294 c-f
415cd
222 d-f


707 a
306 c-f
267 d-f
202 ef
494 bc


208 d-f
228 d-f


Medium

91 bc
48 bc
78 bc
51 bc
49 bc


47 bc
120 b
71 bc
53 bc
62 bc


33 bc
37 bc
25 bc
51 bc
18 bc


29 bc
12c
45 bc
111 bc
47 bc


294 a
65 bc
58 bc
31 bc
86 bc


39 bc
35 bc


Avg Fruit
VVt (oz)
6.7 b-e
7.2 a-c
6.9 b-d
6.9 b-d
6.6 c-e


7.3 ab
6.1 ef
6.4 d-f
6.7 b-e
6.7 b-e


7.0 a-d
7.4 ab
7.6 a
6.8 b-e
7.1 a-d


7.3 ab
7.1 a-d
7.0 a-d
6.6 c-e
6.9 a-d


5.5 g
6.8 b-e
6.7 b-e
6.8 b-e
5.9 fg


6.9 b-d
6.8 b-d


1Carton = 25 Ibs. Acre = 8712 Ibf. Grading belt hole sizes: X-Large = no belt, greater than 2.75";
Large = 2.75"-2.51"; Medium = 2.5"-2.26"; and Cull < 2.25".
2Mean separation in columns by Duncan's multiple range test, 5% level.



(Maynard Vegetarian 02-08)


Tomato Varieties for Florida


Variety selections, often made several months before planting, are one of the most important management decisions made by the
grower. Failure to select the most suitable variety or varieties may lead to loss of yield or market acceptability.


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The following characteristics should be considered in selection of tomato varieties for use in Florida.

Yield The variety selected should have the potential to produce crops at least equivalent to varieties already grown. The average yield
in Florida is currently about 1400 25-pound cartons per acre. The potential yield of varieties in use should be much higher than average.

Disease Resistance Varieties selected for use in Florida must have resistance to Fusarium wilt, race 1, race 2 and in some areas race
3 ; Verticillium wilt (race 1); gray leaf spot; and some tolerance to bacterial soft rot. Available resistance to other diseases may be
important in certain situations, such as Tomato Spotted Wilt resistance in northwest Florida.

Horticultural Quality Plant habit, stem type and fruit size, shape, color, smoothness and resistance to defects should all be
considered in variety selection.

Adaptability Successful tomato varieties must perform well under the range of environmental conditions usually encountered in the
district or on the individual farm.

Market Acceptability The tomato produced must have characteristics acceptable to the packer, shipper, wholesaler, retailer and
consumer. Included among these qualities are pack out, fruit shape, ripening ability, firmness, and flavor.

Current Variety Situation

Many tomato varieties are grown commercially in Florida, but only a few represent most of the acreage. In years past we have been able
to give a breakdown of which varieties are used and predominantly where they were being used but this information is no longer
available through the USDA Crop Reporting Service.

Tomato Variety Trial Results

Summary results listing the five highest yielding and the five largest fruited varieties from trials conducted at the University of Florida's
Gulf Coast Research and Education Center, Bradenton and North Florida Research and Education Center, Quincy for the Spring 2001
season are shown in Table 1. High total yields and large fruit size were produced by BHN 543 at both Bradenton and at Quincy. Large
fruit size was produced by PS 150535 at both locations. The same entries were not included at both locations.

Summary of results listing the five highest yielding and five largest fruited entries from trials at the University of Florida's Indian River
Research and Education Center, Ft. Pierce; and the North Florida Research and Education Center, Quincy for the fall 2001 season are
shown in Table 2. High total yields and large fruit size were produced by Fla. 7943 at Bradenton; Fla. 7943, Florida 91 and Sanibel at
Fort Pierce; and by BHN 189 and BHN 537 at Quincy. Fla. 7943, Sanibel and Solar Set produced high yields at two of three locations
and Florida 91 and RFT 0418 produced large fruit at two of three locations. Not all entries were included at both locations.

Tomato Varieties for Commercial Production

The varieties listed have performed well in University of Florida trials conducted in various locations in recent years.

Large Fruited Varieties

Agriset 761. Midseason, determinate, jointed hybrid. Fruit are deep globe and green shouldered. Resistant: Verticillium wilt (race 1),
Fusarium wilt (race 1 and 2), Alternaria stem canker, gray leaf spot. (Agrisales).

BHN-444. Early-midseason maturity. Fruit are globe shape but tend to slightly elongate, and green shouldered. Not for fall planting.
Resistant: Verticillium wilt (race 1), Fusarium wilt (race 1 and 2), gray leaf spot, and Tomato Spotted Wilt. For Trial. (BHN).

Florida 47. A late midseason, determinate, jointed hybrid. Uniform green, globe-shaped fruit. Resistant: Fusarium wilt (race 1 and 2),
Verticillium wilt (race 1), Alternaria stem canker, and gray leaf spot. (Seminis).

Florida 91. Uniform green fruit borne on jointed pedicels. Determinate plant. Good fruit setting ability under high temperatures.
Resistant: Verticillium wilt (race 1), Fusarium wilt (race 1 and 2), Alternaria stem canker, and gray leaf spot. (Seminis).


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Floralina. A midseason, determinate, jointed hybrid. Uniform, green shoulder, flattened, globe-shaped fruit. Recommended for
production on land infested with Fusarium wilt, Race 3. Resistant: Fusarium wilt (race 1, 2, and 3), Verticillium wilt (race 1), gray leaf
spot. (Seminis).

PS 150535. Midseason, determinate, jointed hybrid. Fruit are oblate and uniform-green shouldered. Recommended for situations where
tomato yellow leaf curl virus is expected to be a problem. Resistant: TYLCV, Verticillium wilt (race 1), Fusarium wilt (race 1 and 2),
Alternaria stem canker, gray leaf spot. (Seminis).

Solar Set. An early, green-shouldered, jointed hybrid. Determinate. Fruit set under high temperatures (92oF day/72o night) is superior to
most other commercial varieties. Resistant: Fusarium wilt (race 1 and 2), Verticillium wilt (race 1), Alternaria stem canker, and gray leaf
spot. (Seminis).

Sanibel. A late-midseason, jointless, determinate hybrid. Deep oblate shape fruit with a green shoulder. Tolerant/resistant: Verticillium
wilt (race 1), Fusarium wilt (race 1 and 2), Alternaria stem canker, root-knot nematode, and gray leaf spot. (Seminis).

Solimar. A midseason hybrid producing globe-shaped, green shouldered fruit. Resistant: Verticillium wilt (race 1), Fusarium wilt (race 1
and 2), Alternaria stem canker, gray leaf spot. (Seminis).

Sunbeam. Early midseason, deep-globe shaped uniform green fruit are produced on determinate vines. Resistant: Verticillium wilt (race
1), Fusarium wilt (race 1 and race 2), gray leaf spot, Alternaria stem canker. (Seminis).

Plum Type Varieties

Marina. Medium to large vined determinate hybrid. Rectangular, blocky, fruit may be harvested mature green or red. Resistant:
Verticillium wilt (race 1), Fusarium wilt (race 1 and 2), Alternaria stem canker, root-knot nematodes, gray leaf spot, and bacterial speck.
(Sakata).

Plum Dandy. Medium to large determinate plants. Rectangular, blocky, defect-free fruit for fresh-market production. When grown in
hot, wet conditions, it does not set fruit well and is susceptible to bacterial spot. For winter and spring production in Florida. Resistant:
Verticillium wilt, Fusarium wilt (race 1), early blight, and rain checking. (Harris Moran).

Spectrum 882. Blocky, uniform-green shoulder fruit are produced on medium-large determinate plants. Resistant: Verticillium wilt (race
1), Fusarium wilt (race 1 and 2), root-knot nematode, bacterial speck (race 0), Alternaria stem canker, and gray leaf spot. (Seminis).

Supra. Determinate hybrid rectangular, blocky, shaped fruit with uniform green shoulder. Resistant: Verticillium wilt (race 1), Fusarium
wilt (race 1 and 2), root-knot nematodes, and bacterial speck. (Syngenta).

Veronica. Tall determinate hybrid. Smooth plum type fruit are uniform ripening. Good performance in all production seasons. Resistant:
Verticillium wilt. (Sakata).

Cherry Type Varieties

Mountain Belle. Vigorous, determinate type plants. Fruit are round to slightly ovate with uniform green shoulders borne on jointless
pedicels. Resistant: Fusarium wilt (race 2), Verticillium wilt (race 1). For trial. (Syngenta).

Cherry Grande. Large, globe-shaped, cherry-type fruit are produced on medium-size determinate plants. Resistant: Verticillium wilt
(race 1), Fusarium wilt (race 1), Alternaria stem blight, and gray leaf spot. (Seminis).

Reference

This information was gathered from results of tomato variety trials conducted during 2001 at locations specified in each table.
Tomato variety evaluations were conducted in 2000 by the following University of Florida faculty:

H. H. Bryan Tropical Research & Education Center Homestead
D. N. Maynard Gulf Coast Research & Education Center Bradenton


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S. M. Olson North Florida Research & Education Center Quincy
P. J. Stoffella Indian River Research & Education Center Fort Pierce


Table 1. Summary of University of Florida tomato variety trial results, Spring 2001.


Location


Bradenton











Quincy


Variety


ASX 013

BHN 543

Fla. 7973

Sunguard

ASX 911

BHN 543

BHN 575

Fla. 7973

Florida 91

RFT 0417


Total yield
(ctnlacre)

2821

2796

2681

2619

2558 1

2475

2358

2350

2339

23263


Variety


Florida 47

RFT 0252

BHN 543

PS 150535

Florida 91

BHN 543

HA 3027

PS 150535

Sanibel

HA 3028


Average fruit wt.
(oz)

7.8

7.6

7.3

7.2

7.1 2

8.0

8.0

7.8

7.7

7.64


122 other entries had yields similar to ASX 911.
221 other entries had fruit weight similar to Florida 91.
321 other entries had yields similar to RFT 0417.
417 other entries had fruit weight similar to HA 3028.


Seed Sources:

Agrisales: ASX 013, ASX 911
BHN: BHN 543, BHN 575
Hazera: HA 3027, HA 3028
Seminis: Florida 47, Florida 91, Sanibel, Sunguard, PS 150535
Sygenta: RFT 0252, RFT 0417
University of Florida: Fla. 7973


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Table 2. Summary of University of Florida tomato variety trial results. Fall 2001.

Location Variety Total yield Average fruit
(ctnlacre) wt. (oz)

Bradenton NC 99405 3268 Fla. 7943 6.9

Sanibel 3092 RFT 0418 6.8

HA 3057 2973 RFT 0442 6.7

Fla. 7943 2463 Florida 47 6.8

Agriset 911 2731 1 EX 1405037 6.62

Fort Pierce Fla. 7943 2463 Florida 47 6.8

Agriset 761 2355 Fla. 7973 6.6

Florida 91 2343 Florida 91 6.3

Solar Set 2229 Floralina 6.2

Sanibel 22293 Sanibel 6.0 4

Quincy BHN 537 3029 BHN 537 6.2

BHN 563 2678 Florida 91 6.1

BHN 189 2634 BHN 189 5.9

Solar Set 2558 RFT 0418 5.8

BHN 555 25545 BHN 444 5.86

121 other entries had yields similar to Agriset 911.
217 other entries had fruit weight similar to EX 1405037.
35 other entries had yields similar to Sanibel.
45 other entries had fruit weight similar to Sanibel.
514 other entries had yields similar to BHN 555.
614 other entries had fruit weight similar to BHN 444.


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Seed Sources:

Agrisales: Agriset 761, Agriset 911
BHN: BHN 189, BHN 444, BHN 537, BHN 555, BHN 563
Hazera: HA 3057
North Carolina State: NC 99405
Seminis: Florida 47, Florida 91, Floralina, Sanibel, Solar Set, EX 1405037
University of Florida: Fla.. 7943, Fla. 7973

(Olson and Maynard -Vegetarian 02-08)


Growing Carrots Organically


The word is, a lot of money can be made on organic carrots, but one can also lose a lot of money. Today, organic foods is a full-fledged
industry and it continues to grow at estimates between 10 and 20 percent a year. The organic industry has shifted from the fringe to the
main stream. Studies by the Organic Trade Association have shown manufacturers of organic products have a median annual growth of
40 percent while retailers have shown a median growth of 15 percent. Large companies are now on board with either an organic
program, an organic SKU, or have bought an organic company. These companies include Dole, Gerber, General Mills, Heinz, Tanimura
& Antle, and M&M/Mars.

Back to carrots. North America's largest organic produce operator, located in Bakersfield, CA, has recently added organic carrots to its
retail products. Growth has been 'tremendous' but only represents approximately 3 percent of their total nationwide sales. For any
marketing venture to work, a consistent supply of high quality produce on a year-round basis is paramount. Some of the details that are
important to avoid failure are standard cultural practices when growing organically or not. Select land that is suitable for the crop. Weeds
are going to be a big cost. Fields known to have a low weed problem would help reduce this cost. Know your soil and its weed potential.
Weed control for an organic crop involves many factors such as irrigation, cultivation, bed shaping, hand weeding, and when possible the
sterile seed bed technique. Timing is a critical factor in weed control. The easiest time to kill a weed is the cotyledon stage. Another
important factor about weed control is not leaving a few weeds that will go to seed and create problems in future years. Plan ahead,
organic farming can not be a practice that involves reacting to circumstances. Think at least a year in advance about potential problems
and how best to deal with them.

Nematodes are another major problem in carrot production. What can be done to lessen this problem? Know your land, when to plant,
where to plant.

Maybe the best overall advice is to start small and have a market outlet before increasing production. Organic carrots will require more
capital outlay for packing and a continuous supply than many other crops.

(White Vegetarian 02-08)


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Extension Veaetable CroDs Specialists


Daniel J. Cantliffe
Professor and Chairman
John Duval
Assistant Professor, strawberry
Chad Hutchinson
Assistant Professor, vegetable production
Elizabeth M. Lamb
Assistant Ptofessot. production
Yuncong Li
Assistant Ptofessot. soils
Donald N. Maynard
Piofessot. varieties
Stephen M. Olson
Ptofessot. small farms


Ronald W. Rice
Assistant Professor, nutrition
Steven A. Sargent
Professor, postharvest
Eric Simonne
Assistant Professor, vegetable nutrition
William M. Stall
Ptofessot and editor. weed control
James M. Stephens (tetitedc
Ptofessot. vegetable gardening
Charles S. Vavrina
Ptofessot. tIansplants
James M. White
Associate Ptofessot. organic fat ming


Mark A. Ritenour
Assistant Ptofessot. posthaivest


Related Links:
University of Florida
Institute of Food and Agricultural Sciences
Horticultural Sciences Department
Florida Cooperative Extension Service
North Florida Research and Education Center Suwannee Valley
Gulf Coast Research and Education Center Dover

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