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Group Title: Celery variety trials.
Title: Celery variety trials. 1977
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Permanent Link: http://ufdc.ufl.edu/UF00075815/00002
 Material Information
Title: Celery variety trials. 1977
Series Title: Celery variety trials.
Translated Title: Research Report - University of Florida Agricultural Research and Education Center ; 77-9 ( English )
Physical Description: Serial
Language: English
Creator: White, J. M.
Publisher: University of Florida, Agricultural Research and Education Center
Publication Date: 1977
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Bibliographic ID: UF00075815
Volume ID: VID00002
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 144607610

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HISTORIC NOTE


The publications in this collection do
not reflect current scientific knowledge
or recommendations. These texts
represent the historic publishing
record of the Institute for Food and
Agricultural Sciences and should be
used only to trace the historic work of
the Institute and its staff. Current IFAS
research may be found on the
Electronic Data Information Source
(EDIS)

site maintained by the Florida
Cooperative Extension Service.






Copyright 2005, Board of Trustees, University
of Florida







AGRICULTURAL RESEARCH AND EDUCATION CENTER

Sanford, Florida

Research Report CF 77-9 -. June 13, 1977

Celery Variety Trials, 1977 /,

J. M. White / ^S IP
Assistant Horticulturist j 7

Nine varieties or promising breeding lines of celiygre compared in
replicated trials and 25 lines were compared in observational HIFtathe
Clonts' Farm, Zellwood, Florida. .. ri

Seeds were sown December 1, 1976, in Belle Glade. The celery was
mechanically transplanted into the grower's field in Zellwood on March 9, 1977.
The grower maintained the plot as he did his own celery. Rows were 24 inches
on center with plants 6.5 inches apart. Approximately 35 plants were set per
plot. Six replications in a randomized block design was used for the replicated
trial and two replications were used for the observational trial. The soil type
was an Everglades mucky peat.

Rainfall during the season included: after March 9 0. 7 inch; April 0.45
Sinch; May 1 to 27 0. 7 inch. Water was not a limiting factor since overhead
irrigation was used after transplanting and the water table was maintained in
lateral ditches to provide adequate soil moisture.

The replicated trial was harvested on May 26, and the observational trial on
May 27. Therefore, harvest was 78 and 79 days after transplanting. Marketable
yield (expressed as 60-pound units per acre), average weight per stalk, per cent
number of stalks that were marketable, per cent number of stalks which had
bolted, average petiole length (measured from the base to the first node in
centimeters), average number of petioles which were pithy (marketable stalks
cut 4 cm from the base for this rating), and the per cent stalks with brown stem,
twisted petioles, node cracks, black heart, and Rhizoctonia are included in
Tables 1 and 2 for each variety or line evaluated.

M 68 29 A yielded significantly more than all but M 68 27 (Table 1).
M 68 27 had the best overall field appearance. M 22 3S 10 4A looked good
in the field, but with almost 21 per cent bolting, the yield was not as good.
June Belle and Florida 2-14 had significantly lower yields than M68 29A,
M 68 27, 1752AA, and M 22 3SB10-4A. This was primarily due to June Belle
and Florida 2-14 bolting up to 54% while the leading lines had less than 3% bolting.

M 68 29A had the heaviest average stalk which indicates the largest size.
M 22 3SB17B 2M had the smallest average size, followed by Florida 2-14.
The larger and heavier stalks of these lines had bolted.









-2-


The petiole length was measured from the base to the first node on a random
sample of one petiole from each of ten plants in each replication. June Belle had
the longest average petiole length of 29.9 cm, and 1752AA had the shortest petiole
length of 23.7 cm.

Pithiness was a problem in all lines. The plots could have been harvested
five days earlier, which would have reduced the amount of pithiness, but we were
interested in bolting. M22-3SB13-4A, M22-3SB17B-2M, and M22-3MM had more
pithy petioles than the other lines. Pithiness is related to plants being over
mature at harvest.

Brown stem, twisted petioles, node cracks, and black heart were not observed
to be a problem. Rhizoctonia was found on most outer petioles, but in general was
not a serious problem on petioles left after stripping. M22-3MM did have
noticeably less than most lines. Florida 2-14 and M68-29A had noticeably more
petioles with Rhizoctonia.

In the observational trial, 13 of the 25 lines had yields above 1000 crates per
acre. M9-1M-1 yielded only 77 crates per acre due to having 89% of the stalks
bolted. Five lines had no bolters while six lines had 25% or more bolters.

Testing for bolting was a major part of this trial. It was observed in the
commercial fields around that a harvest date of May 26 is two to three weeks late
for optimum bolting conditions in this area. These lines were subjected to
conditions favoring bolting as the results indicate.












Table 1. Summary of the replicated celery variety trial on Clonts' Farm, Zellwood, Florida, 1977.
..' -.. ..llnn nn n nnln n n i,, n n I. .. .. 7


Variety
M68-29A
M68-27
1752AA
M22-3SB10-4A
M22-3MM
M22-3SB13-4A
M22-3SB17B-2M
June Belle
Florida 2-14


Crates
per
acre
1232
1135
1033

811
682
607
598
535
462


Avg.
mkt.
wt.
1.90
1.81
1.59
1.54
1.62
1.60
1.50
1.78
1.52


a,


mkt.
95.8
98.1
92.0
79.4
63.4
57.6
60.1
51.5
45.0


a-


bolts
2.4
0.6
2.9
20.6
35.4
40.6
36.8
47.9
54.4


Avg,
petiole
length
25.1
25.9
23.7
25.6
26.5
26.4

25.4
29.9
23.9


Avg. No.
petioles
pithy
2.2
2.8
2.1
3.8
5.1
6.2
5.8
2.8
3.5


Brown


Brown
stem
3.8
2.6
0
8.4
4.8
3.2
2.0
0
0


Twisted
3.1
0
0
3.1

1.0
1.1
1.0
1.2
0


Talks with
Node
cracks
0
0


Bi lackI lln -


Black
heart Rhizoctonia
0,6 25.0
0 12.3
0 11.8
0 22.9
0 9.6
0 20.0
1.0 15.3
0 24.4
0 29.9


LSD .05 179.2


I


__ __ __ __ __ __


%S


-~- II


OWA..N-










Table 2. Summary of the observational celery variety trial on the Clonts' Farm, Zeliwood, 1977.


Crates
per
Variety acre


Avg.
mkt.
wt.


%1
mkt.


bolts
bolts


Avg.
petiole
length


Avg. No.
petioles
oithv


t- 2 L --


Brown
stem Twisted


Stalks with
Node Black
cracks heart


Rhizoctonia


1752A12-1-2
M58-2-5-1
1752A-12-1
M68-27-15
M68-29-6
M22-35B12-5-1
M68-27-9
M58-2-5-3
M22-35B10-6-1
M68-29-8
1752-1-6-1
M68-29-7
M68-29-5
M68-27-12
M68-29-3
Florimart
M68-27-13
M68-29-9
M68-27-10
M58-2-5-2
M22-35B6-5-1
June Belle
M68-27-14
1752A19A
M9-1M- 1


1382
1379
1285
1232
1229
1145
1111
1108
1099
1065
1060
1009
1004
983
968
963
941
941
862
854
830
743
428
213
77


2.59
2.13
1.93
2.02
1.91
2.02
1,87
1.83
1.80
1.84
2.18
1.57
1.92
1.69
1.66
1.52
1.52
1.86
1.62
1.69
1,.64
1.46
1.84
1.65
1.04


88.0
93. 1
96.5
90 9
100.0
79.0
98.0
86.2
89.5
85.7
82.0
96.4
93.5
94.1
92.3
98.2
96.2
68.3
89.8
77.8
71.9
72.4
32.8
16.7
10.9


8.0
5.2
1.8
7.3
0
15.8
0
10.3
10.5
10.7
18.0
0
0
3.9
5.8
0
1.9
25.0
4.1
24.1
28.1
27.6
65.5
73.3
89.1


26.5
26.5
29.0
25.5
26.0
25.5
22.0
25.5
24.8
22.3
31.0
25.5
26.5
26.1
24.1
28.8
26.8
27.5
22.3
25.0
26.8
27.0
30.5
28.8
25.8


3.8
3.8
1.0
2.8
1.0
6.8
1.8
2.8
6.5
3.0
1.3

1.5
3.8
1.8
1.0
2.8
2.0
2.5
6.3
4.3
2.5
0.6
2.8
0.5


2.3
13.0
0
4.0
1.9
4,4
0
4.0
0
0
0
13.2
0
2.1
0
0
0
9.8
0
0
0
0
0
0
0


0
0
1.8
0
3.8
0
0
0
0
2.1
2.4
0
2.3
8.3
0
3.8
0
0
0
0
0
0
0
0
0


0
0
0
0
0
0
0
0
0
0
0
0
0
2.1
0
0
2.0
0
0
0
0
0
0
0
0


0
0
0
0
0
2.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0


27.3
20.4
32.7
10.0
11.3
24.4
24.5
12.0
5.9
8.3
24.4
17.0
7,0
20.8
18.8
15.1
5.9
41.5
0
9.5
7.3
2.4
15.8
0
16.7


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