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Group Title: Vegetable crops research report - Vegetable Crops Dept. University of Florida - VC 1
Title: Time of planting trials with vegetable crops in North Florida
CITATION PAGE IMAGE ZOOMABLE PAGE TEXT
Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066191/00001
 Material Information
Title: Time of planting trials with vegetable crops in North Florida
Alternate Title: Green bean and cucumber
Physical Description: 25 p. : ill. ; 28 cm.
Language: English
Creator: Halsey, L. H ( Lawrence Henry ), 1915-
Publisher: Vegetable Crops Dept., Institute of Food and Agricultural Sciences, University of Florida
Place of Publication: Gainesville Fla
Publication Date: 1981
 Subjects
Subject: Beans -- Planting time -- Florida   ( lcsh )
Cucumbers -- Planting time -- Florida   ( lcsh )
Genre: bibliography   ( marcgt )
non-fiction   ( marcgt )
 Notes
Bibliography: Includes bibliographical references (p. 25).
Statement of Responsibility: L.H. Halsey.
General Note: "Vegetable crops research report VC1-1981."
General Note: Cover title.
General Note: "January 1981."
Funding: Florida Historical Agriculture and Rural Life
 Record Information
Bibliographic ID: UF00066191
Volume ID: VID00001
Source Institution: Marston Science Library, George A. Smathers Libraries, University of Florida
Holding Location: Florida Agricultural Experiment Station, Florida Cooperative Extension Service, Florida Department of Agriculture and Consumer Services, and the Engineering and Industrial Experiment Station; Institute for Food and Agricultural Services (IFAS), University of Florida
Rights Management: All rights reserved, Board of Trustees of the University of Florida
Resource Identifier: oclc - 70869271

Table of Contents
    Title Page
        Title Page
    Methods
        Page 1
    Results
        Page 2
        Page 3
        Page 4
        Page 5
        Page 6
        Page 7
        Page 8
        Page 9
        Page 10
        Page 11
        Page 12
        Page 13
        Page 14
        Page 15
        Page 16
        Page 17
        Page 18
        Page 19
        Page 20
        Page 21
        Page 22
        Page 23
    Discussions
        Page 24
    Reference
        Page 25
Full Text
January 1981 Vegetable Crops
Research Report
VC 1 1981




Time of Planting Trials with


Vegetable


Crops


in North Florida


1. GREEN BEAN AND CUCUMBER


Vegetable Crops Department
Institute of Food and Agricultural Sciences
University of Florida, Gainesville, FL 32611


This work was supported by funds from the IFAS Center for Community and Rural Development Programs.


L. H. Halsey








Time of Planting Trials With

Vegetable Crops in North Florida

I. GREEN BEAN AND CUCUMBER

BY

L. H. Halsey-

The responses of 2-or-3 cultivars of green bean and cucumber to

time of planting at 3- and 4-week intervals throughout the season of

warm weather in North Florida have been reported (3,4). The informa-

tion reported here is for 12 cultivars each of green bean and cucumber

for 8 plantings at 3-week intervals during the period March-August,

1978.

METHODS

During the period from March to August, 1978 the 8 plantings occurred

as indicated in Table 1. The crops were fertilized with 1200 and 1600

pounds per acre for bean and cucumber respectively, using an analysis

of of 6-8-8 plus micronutrient frits. Half the fertilizer was incor-

porated in the row pre-plant, and half was applied as side-dress at

4 weeks after seedling emergence. Plots were 27 feet long on slightly

raised beds at 4 foot center, in a randomized block arrangement with 2

replications. Bean plants were at 2-4 inch and cucumber plants at

12-15 inch intervals in the row.

1/ Associate Professor, Vegetable Crops Department, IFAS, Univer-

sity of Florida, Gainesville, Florida, 32611.

The author wishes to acknowledge the valuable technical assistance

rendered by C. Lamar Bryant in the development and conduct of the work

reported here.









Beans were harvested weekly and cucumbers twice weekly, by hand,

providing estimates of potential yields for various marketing options

available to the small farmer. Harvesting started when the earliest

fruit reached fresh market maturity and continued until essentially all

fruits were removed from the plants. Bean yields were expressed as field

run grade (culls removed) and cucumber yields as marketable grade (fancy

and choice combined).

Cultural practices of cultivation, irrigation and pest control

were as recommended for Florida (1,2).

RESULTS

Bean. Time required to reach maturity (Table 2) was only slightly

longer for the first planting than for the later plantings, due to

cooler weather in early April. 'Avalanche' 'Provider' and 'Contender'

were 3-4 days earlier than the other cultivars for the first two plant-

ings. Harvest period and number of harvests were less for the early

than the later plantings.

Yields are reported for each planting (Fig. 1 and 2). Wide varia-

tions occurred among cultivars at any planting date, as well as variable

response of any cultivar among planting dates. Certain cultivars were

consistently high yielding. The top 6 in a total of 7 plantings, were

'Avalanche', 'Provider', 'Gator Green', 'Bush Blue Lake', 'Contender'

and 'Spurt'. 'Sprite', the lowest overall ranking cultivar, was in

fourth place,in the August 24 planting, while 'Avalanche' dropped to

fifth place in the August 3 planting.

Harvest periods in relation to weekly average prices quoted on the













Table 1. Planting schedule for bean and cucumber, Summer 1978


Planting Date
Crop 3/30 4/20 5/11 6/1 6/22 7/13 8/3 8/24

Bean X X X X CF X X X
Cucumber X X X X X X X X


CF= Crop Failure



Table 2. Days to harvest and harvest period of 12
green bean cultivars. Summer, 1978

Time of Days to Harvest No. of
Planting Harvest Period Harvests
Days Days No.
March 30 54 11 4
April 20 50 11 4
May 11 46 8 3
June 1 44 18 6
July 13 48 21 5
Aug 3 49 18 6
Aug 24 50 18 6













250



200



150



100



50



0










300



250



200



150



100


wH *r- .. *r-
10 4-' (l <0 4-} 10
_4J C ...J C 0

w0 ) cS ) ..C 3 < U L-r- r- CCD r- U L r r- r-+-
Co O C S- tu o h ,V C O CQ C S- V ,
t0 Wq0 > W C -4-+ 4J to w w > S- c w
r- wO C +-%. r- O > > *r- S r- 0 ) 4 .0 r- 0 U >
0 C E S- W S- 0 S- o M C E S- 4-' .
> r- 0 0( S- O L 0. >- 0 = 3 0 a S- M
< co co o C U W tL3 = a- <) V) ct c o o L) w (D LO =


250



200
u


150
a.

I-
100 1
C,


50



0


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05
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- 0 S-
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=0OLict


300


250



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LU

150

t0
r0


100 a



50



0


S-
0)
0 w
*r- + 4.
> *r- 44
5- Q. 0.
o ,


Fig. 1. Comparison of yields among
times, spring, 1978.


12 green bean cultivars for 3 planting


-X *r- *-
(0 +> Un 0o 4-
OC0) (0 O TO r-- S0 > w0 S- 0 >
QD. O L- j 0 s- a Q. a> s r r- ( a
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,- 3 0 3 (0 S- ( S- Q0 Q. > r- 3 (03 c l S-
c M O u CD L, 3 a Vn () ,:









July 13


300


250


200



150


100


50


Um I


August 3


-


U
am 3


a


a)
U
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250



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50


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v r- W r--
to 4J >4J (A
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. c a)j .j Cu D -a) .
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+- ) .Qr-- 0 0) > > S- i. r-
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30 ra3 SO M. S- 0- > i- 0 3 ( < S-
C< 0 LU (D CD =: a- C/) v) CC Q<) lJU 33


Fig. 2. Comparison of yields among
times summer, 1978.


12 green bean cultivars for 4 planting


a) M
.0 0
m o i .
' 'i I


300


250


200


150 .
U


100 -


50


0


C,
Ur-
a -
3 *s


300


250


200


150


100


a)









Atlanta Farmers Market (6-year average, 1975-1980) are shown in Fig. 3.

The three-week interval for each planting did not quite cover all the

available marketing time.

Yield distribution by harvest (Tables 3 and 4) indicate large

amounts of beans were obtained from repeated hand harvests. Cultivars

varied widely, with many of the cultivars yielding as much or more from

harvests 2-4 as from the first harvest.

Cucumber. Time to reach maturity was longer for the March 31 plantings

than for any of the other plantings (Table 5) due to the cool weather

in April, and was nearly the same as the April 20 planting. Harvest

period and numbers of harvests varied only slightly.

Yield levels were reduced in the June and July plantings due to

poor plant development, foliage diseases and poor pollination caused by

the high temperature, humidity and rainfall of mid-summer. The crop

planted in late August was curtailed to some extent by cool early fall

temperatures.

Yields are reported for each planting (Figs 4 and 5). Wide varia-

tions occurred among cultivars at any planting time, as well as variable

response of any cultivar among planting dates. Certain cultivars were

consistently high yielding. The top 6 in a total of 8 plantings were

'Victory', 'Slicemaster', 'Sprint S', 'Gemini 7', 'Crackerlee' and

'Poinsett'.

Harvest period in relation to weekly average prices quoted on the

Atlanta Farmers Market (6-year average, 1975-1980) are shown in Fig. 6.

The three-week interval between planting dates did not quite cover all

the available marketing time.















9





8





7
C,
r
S6



6


June
4 1 2 3


July Aug.
41 2 3 4 1 2 3
WEEK


Sept.
4 1 2 3


Oct.
4 1 2


Nov.
3 4 1


Fig. 3. Green bean 6-year average
Atlanta Farmers Market in
planting times, 1978.


(1975-80) weekly prices quoted on the
relation to harvest periods of 7


3/31 4/20 5/11 6/1 6/22 7/13 8/3 8/24

Harvest Peridd by Date of Planting










Table 3a. Yields of 12 green bean cultivars by harvest for each of 2 planting times. Spring, 1978.


Date Harvested 5/23 5/26 5/30 6/2 Totalz 6/9 6/13 6/16 6/20 Totalz
Cultivar Planted March 31 Planted April 20
(Bushels Per Acre)

Avalanche 158 51 44 9 262ab 120 77 48 14 259ab

Blue Crop 105 14 15 136d 104 52 20 176cd

Bush Blue Lake 157 37 21 215abcd 110 50 40 200bc

Contender 153 13 22 7 195bcd 138 25 22 7 192c

Cumberland 146 46 15 207abcd 60 31 7 98e

Early Gallatin 157 22 9 188b~d 108 46 17 171d

Gator Green 179 13 11 203abcd 184 34 18 236ab

Greensleeves 50 34 37 8 129d 91 46 12 149de

Harvester 159 21 14 194cd 144 64 17 195c

Provider 195 42 35 10 282a 189 49 30 11 279a

Sprite 77 47 19 9 153cd 51 35 4 90f

Spurt 192 27 19 238abc 79 48 45 153de


Z Mean separation by Duncans multiple range test, 5% level.







Yields of 12 green bean cultivars by harvest for each of 2 planting times, Spring, 1978.


Date Harvested 6/27 6/30 7/1 Totalz 7/14 7/18 7/21 7/24 7/27 8/1 Totalz
Cultivar Planted May 11 Planted June 1
(Bushels Per Acre)

Avalanche 118 39 44 201ab 6 3 12 22 37 27 107bc

Blue Crop 62 39 36 137abcd 3 5 13 26 24 71bcd

Bush Blue Lake 45 34 46 125bcd 3 5 19 24 26 77bcd

Contender 151 13 34 198ab 24 9 8 7 4 4 56cd

Cumberland 52 9 10 71de 10 17 22 17 13 79bcd

Early Gallatin 70 24 22 116cde 11 6 4 9 10 36cd

Gator Green 154 35 29 218a 22 11 13 12 7 6 7Tbcd

Greensleeves 54 16 26 96cde 11 19 19 18 26 93bc

Harvester 63 22 34 119bcd 2 9 33 47 47 138ab

Provider 135 19 13 167abc 38 47 33 24 7 9 !53a

Sprite 23 4 1 28e 1 I 3 3 5 13d

Spurt 71 45 60 176abc 6 7 17 21 15 66bcd


Z Mean separation by Duncan's multiple range test, 5% level.


Table 3b.







Table 4. Yields of 12 green bean cultivars by harvest for each of 2 planting times, Summer 1978.


Date Harvested 9/25 9/28 10/2 10/5 Totalz 10/16 10/19 10/23 10/26 Totalz

Cultivar Planted August 3 Planted August 24
(Bushels per acre)

Avalanche 57 42 32 33 164ab 92 24 50 77 243a

Blue Crop 29 26 23 22 100abc 3 5 10 15 33e

Bush blue Lake 23 33 34 53 143abc 10 24 70 81 185ab

Contender 40 21 22 17 100abc 101 6 44 29 180ab

Cumberland 27 34 40 22 123abcd 7 4 34 42 87cde

Early Gallatin 11 27 15 10 63d 9 3 28 22 62de

Gator Green 83 35 42 46 221a 59 8 28 58 153abc

Greensleaves 14 10 15 22 61d 24 15 69 67 175abc

Harvester 13 3z 46 46 137abc 26 17 61 64 168abc

Provider 62 41 27 28 158abc 74 8 38 37 157abc

Sprite 8 26 15 21 70d 72 26 43 48 189ab

Spurt 24 46 32 38 140abc 8 11 42 77 138bcd


Z- Mean separation by Duncans multiple range test, 5% level


















Table 5. Days to harvest and harvest period of 12
cucumber cultivars. 1978.

Time of Days to Harvest No. of
planting harvest period harvests
____ Days
March 30 60 21 7

April 20 43 21 7

May 11 43 18 7

June 1 40 21 7

June 22 43 17 6

July 13 46 21 7

August 3 46 21 7

August 24 47 21 7








April 20


400



300



200



100


S-
o)
)01 3
3-,- rI S.- 4-J CC V
S M- a- S 4-) 2:
O 0 C, n
U) aU -Y C -o aU E (A aU c
o. ( r- E O C U 'r-
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"r

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3 .


May 11


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ro 0
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00A3


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June 1


600


500



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-.

300




200 c




100


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*- -ri-
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(-A -3 U r (A 4_ -



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,.- 0 a .-- ( 3 S. 0 ( 0 0. 3: --
0) c0 00 > ,n CQ CO C- ) CL.. O V) O) :>


Fig. 4. Comparison of yields among 12 cucumber cultivars for 4 planting
times, spring, 1978.


Mar. 31


600



500

U.

400
SL-
,,
3QO
300 ,



200 m



100


----I --- ---------------------- --- ------ -


600



500


aU
-.
0 *r-
a ..
e c
U *-

C.) (.!3











June 22










(U
M *





U -0

o0 II I


h~IIITl~l


-r"
u
n) *-

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0.r 3
LI oo


Aug. 3


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(U C.
U~ a


July 13


'4-u
a)


- 0


a)
S-
a-
SL)
-r <--


4- -0 a
4- 40




u
u




i


OJ
U


r- (4
S- aj
0- 3
m )/)


100













600


500


r- -r: -
a) a) a a)
E 4- C ) a W C- C W E W

S- 0 U .- ) C: tU 4 +-)
e Ur- a ,--- Ma W4- U S- ,
S ( 0 0 ,- 0- 3: .- U ,- aJ ( U O 0- "-
M.. S CL C1. (0n V00 V :


Fig. 5.; Comparison of yields among 12 cucumber cultivars for 4
planting times, summer, 1978.


600


500
a)

400 <
S-
a)
0.
300 ,
a0

200
200 =


100


Wa)
'-0
.0 1


Aug. 24








- U -0
.0 .0 (
(0 a(

S .0 .0


100


600


500
a)

400
S-
a)

300


200 M


100


a)
S ..

SC)
,, 0


l
































4120 6/1 v
.. ...-8/3
3/31 5/11 6/22 7/13


Harvest Period by Date of Planting


May June
412 3 4


July Aug.
1 2 3 4 1 2 3


Sept.
4 1 2 3


Oct.
4 1 2 3


Nov.
4 1 2


WEEK


Fig. 6. Cucumber 6-year average weekly prices (1975-80, Atlanta,
Ga., Farmers Market) in relation to harvest periods of
8 planting times, 1978.


7



-c
C,
6
a,

L









Table 6. Yields of 12 cucumber cultivars in a time of planting trial.


Date Harvested 5/19 5/23 5/26 5/30 6/2 6/6 6/9 Totalz
Cultivar (Bushels per acre)

Ashley 40 117 102 106 76 50 30 521ab

Burpee Hyb. 41 108 58 113 48 35 19 422bcd

Crackerlee 63 135 106 87 70 35 47 543ab

Gemini 7Hyb. 177 72 49 113 28 52 26 517ab

Marketer 26 77 60 52 40 20 14 289e

M & MHyb. 23 166 21 74 43 31 24 382cde

Palomar 43 131 52 85 49 38 40 438bcd

Poinsett 44 108 61 98 64 40 -23 438bcd

Slice Master Hyb. 186 99 85 106 69 39 26 610a

Sprint SHyb. 190 69 76 107 23 23 17 505abc

Sw. Slice Hyb. 165 36 60 30 0 13 10 314de

Victory Hyb. 117 102 81 85 60 24 26 495abc


Z Mean separation by *=NM multiple range test, 5% level.


Planted March 31, 1978, Hort Unit.










12 cucumber cultivars in a time-of-planting
Ofa-ORasS4"


Date Harvested 6/2 6/6 6/9 6/13 6/16 6/20 6/23 Totalz
Cultivar (Bushels per acre)

Ashley 76 102 126 31 47 50 432 abc

Burpee H 58 90 87 35 9 17 295 d

Crackerlee 67 142 74 41 46 31 401 bcd

Gemini 7H 181 88 140 36 36 29 510 ab

Marketer 60 83 86 31 30 28 318 cd

M & MH 32 122 104 35 27 36 355 cd

Palomar 58 112 122 54 45 54 445 abc

Poinsett 115 137 153 22 39 39 505 ab

Slice Master H 106 118 137 90 48 23 34 556 a

Sprint SH 136 40 105 167 27 67 17 559 a

Sw. Slice H 96 90 68 37 10 19 9 329 cd

Victory H 251 47 122 39 39 43 541 a


Z Mean separation by Duncans multiple


Table 7. Yields of


trial. Planted April 20, 1978.


Hort Unit.


range test, 5% level.








of 12 cucumber cultivars in a time-of-planting trial. Planted May 11, 1978. Hort Unit.


Date Harvested
Cultivar


6/20


6/23


6/27 6/30

(Bushels per acre)


7/05


7/07


7/11 Total z


Ashley

Burpee H.

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

Slice Master H

Sprint SH

Sw. Slice H

Victory H


28

6

81

145

14

0

15

52

192

193

41 34

55 138


Z Mean separation by Duncans multiple range test, 5% level.


76

97

86

130

78

111

102

85

98

103

52

84


348

341

477

567

302

370

378

422

543

535

248

534


Table 8. Yields











Table 9. Yields of 12 cucumber cultivars in time-of-planting trial. Planted


Data Harvested 7/11 7/14 7/18 7/21 7/24 7/27 8/01 Total z
Cultivar (Bushels per acre)


Ashley

Burpee H.

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

Slice Master H

Sprint H

Sw. Slice H

Victory H


7



15

50

0





16

79

131

178

137


53

79

81

90

23

86

107

121

86

57

36

79


Z Mean separation by Duncans multiple range test, 5% level.


220 de

201 de

262 cde

313 cd

134e

323 bcd

319cd

461 ab

363ab6

375abc

289cd

477a


June 1, 1978. Hort Unit.










Table 10. Yields of 12 cucumber cultivars in a time-of-planting trial.


Date Harvested 8/04 8/07 8/10 8/14 8/17 8/21 Totalz
Cultivar (Bushels per acre)


Ashley

Burpee H.

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

Sl. Master H

Sprint H

Sw. Slice H

Victory H


60

39

39 40

40 31'

30 20

54 14

33

22 18

41 13

53 46


60










72

46

116


Z Mean separation by Duncans multiple


87cd

79d

83d

172abc

67d

120bcd

68d

40d

210a

233a

91cd

205ab


range test, 5% level.


Planted June 22, 1978.











Table 11. Yields of 12 cucumber cultivars in a time-of-planting trial.


Date Harvested 8/28 8/31 9/5 9/8 9/11 9/14 9/18 Totalz
Cultivar (Bushels per acr
(Bushels per acre)


Ashley

Burpee H

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

S1. Master H

Sprint H

Sw. Slice H

Victory H


20

105 23

114 112

148 29

36 21

96 72

91 16

147 52

74 83

49 45

55


Duncans multiple range test, 5% level.


129cd

153cd

452a

405ab

71d

218abcd

256abcd

309abcd

278abcd

206abcd

104cd

323abc


Planted July 12, 1978. Hort. Unit.


Z Mean separation by









Table 12. Yields of 12 cucumber cultivars in a time-of-planting trial. Planted August 3, 1978. Hort Unit.


Date Harvested 9/18 9/21 9/25 9/28 10/2 10/5 10/9 10/12 Total z
Cultivar
Cu(tivarBushels per acre)
Ashley 38 85 44 52 20 31 24 294bcd


Burpee H

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

SI. Master H

Sprint H

Sw. Slice H

Victory H


224cd

435a

297bcd

170d

364ab

315abc

349abc

301bc

330abc

227cd

370ab


Z Mean separation by Duncans multiple range test, 5% level.











Table 13. Yields of 12 cucumber cultivars in a time-of-planting trial.


Date Harvested 10/9 10/12 10/16 10/19 10/23 10/26 10/30 Totalz
Cultivar (Bushels per acre)

Ashley 36 75 18 24 153cd


Burpee H

Crackerlee

Gemini 7H

Marketer

M & MH

Palomar

Poinsett

Sl. Master H

Sprint H

Sw. Slice H

Victory H


24

26

20


168bcd

242abc

181 bc

79d

252ab

188bc

263ab

293a

329a

167bcd

318a


Z Mean separation by Duncan's multiple range test, 5% level.


Planted August 24, 1978. Hort Unit.















Table 14. Average cucumber fruit size in relation to time of planting,
Gainesville, FL. 1978.

Planting date
Mar Apr May Jun Jun Jul Aug Aug Season
30 20 11 1 22 13 3 24 ave.
Cultivar (lb)

Ashley .53 .59 .51 .47 .53 .42 .48 .42 .49
Burpee Hyb. .62 .64 .68 .54 .57 .59 .58 .49 .59
Crackerlee .49 .50 .50 .53 .49 .48 .44 .41 .48
Gemini 7 Hyb. .55 .69 .62 .54 .53 .43 .51 .48 .54
Marketer .53 .51 .56 .51 .50 .39 .49 .47 .50
M & M Hyb. .59 .61 .60 .50 .50 .54 .57 .50 .55
Palomar .56 .60 .59 .51 .55 .42 .42 .47 .52
Poinsett .46 .58 .51 .45 .44 .46 .46 .44 .48
Slice Master Hyb. .56 .57 .61 .49 .54 .45 .48 .50 .52
Sprint S Hyb. .58 .59 .60 .53 .51 .42 .49 .51 .53
Sweet Slice Hyb.. .57 .70 .73 .75 .58 .48 .64 .67 .64
Victory Hyb. .54 .64 .73 .54 .46 .42 .49 .48 .54


Planting date average.









Yield distribution by harvest (Tables 6-13) indicate large amounts

of cucumbers could be obtained on some later harvests, but many later

harvests would yield amounts that could be too small to be economically

feasible to pick. Extended harvest periods would benefit certain market

options, such as on-farm retailing, pick-your-own or curb market outlets.

Cucumber fruit size, as measured by weight (Table 14) was relatively

constant for the first 3 plantings, after which time the size of most

cultivars was smaller. 'Crackerlee' and 'Poinsett' fruit remained more

constant in size than other cultivars. Yield (bu/acre) was a function

of numbers of fruit, this correlation coefficient "r" was 0.910.

Cucumbers of 'Sweet Slice' were the heaviest, because of being fewer in

number.

Discussion

The variable responses of the cultivars to time of planting suggest

that care be exercised in the selection of cultivars for particular

planting times. Although many of the cultivars were somewhat consistent

in response to many of the planting times, there were occasions when

certain cultivars showed a different response. In addition to the

examples already cited ('Avalanche' and 'Sprite') 'Gator Green' (No. 3

rank) dropped to eighth position for the August 24 planting, while

Cumberland (No. 10 rank) occupied fifth position for the March 31

planting.

Various marketing options available to the small farmer include

roadside sales, pick-your-own, curb markets and cooperative packing-

houses. Extended harvest potential may be a viable factor when consider-

ing cultivars and planting times. The extent to which a cultivar






25

such as 'Bush Blue Lake' produced marketable quantities of beans over a

period of time, such as indicated in the August 3 and 24 plantings

(Table 3) could suggest its acceptance for pick-your-own or roadside

market. High proportions of beans obtained at early harvest, such as

for 'Avalanche', 'Provider', 'Gator Green' and 'Contender', would indi-

cate their acceptance for mechanical harvest.

Distribution of the crop potential as shownin Tables 3 and 4,

when compared with the price line (Figs. 3 and 6), suggests that at times

the differences in yield between harvests could be offset by changes in

price. A comparison of the yield for any date with the price potential

for that particular date can provide a means of judging whether to plant

a cultivar on a given date.



LITERATURE CITED

1. Anon. 1974. Bean Production Guide. Fla Agric. Ext. Serv. Circ.

100c.

2. Anon. 1977. Cucumber Production Guide. Fla. Agric. Ext. Serv.

Cir. 101D.

3. Halsey, L. H., and S. R. Kostewicz. 1976. Seasonal response of

Vegetable Crops for selected cultivars in North Florida. I. Legumes.

Vegetable Crops Department. Research Report VC 76-1.

4. Halsey, L. H., and S. R. Kostewicz. 1976. Seasonal response of

Vegetable Crops for selected cultivars in North Florida. IV.

Cucurbits. Vegetable Crops Department Research Report VC-76-4.




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