Group Title: Research report - Ft. Pierce Agricultural Research Center ; RL-1981-5
Title: Muscadine grape cultivar yield trials at Fort Pierce, Florida
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Permanent Link: http://ufdc.ufl.edu/UF00055947/00001
 Material Information
Title: Muscadine grape cultivar yield trials at Fort Pierce, Florida
Series Title: Ft. Pierce ARC research report
Physical Description: 4, 5 leaves : ; 28 cm.
Language: English
Creator: Stoffella, Peter J
University of Florida -- Agricultural Research Center
Publisher: University of Florida, Insititute of Food and Agricultural Sciences, Agricultural Research Center
Place of Publication: Fort Pierce Fla
Publication Date: [1981]
 Subjects
Subject: Muscadine grape -- Varieties -- Florida   ( lcsh )
Genre: non-fiction   ( marcgt )
 Notes
Statement of Responsibility: P.J. Stoffella ... et al..
General Note: Caption title.
General Note: "August 1981."
 Record Information
Bibliographic ID: UF00055947
Volume ID: VID00001
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 66464178

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used only to trace the historic work of
the Institute and its staff. Current IFAS
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(EDIS)

site maintained by the Florida
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Copyright 2005, Board of Trustees, University
of Florida




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Ft. Pier


*ce ARC Research Report RL-1981-5 August 1981


MUSCADINE GRAPE CULTIVAR YIELD TRIALS AT I I4f BRP
FORT PIERCE, FLORIDA
1 21 SEP 2 790
P. J. Stoffella J. A. Mortensen N. C. Hayslip
and J. B. Brolmann-
'' INTRODriUd;
INTRODUCTION ..


Muscadine grape production is becoming more popular in south

Florida. Small commercial plantings and back yard home production

are constantly increasing in number. The purpose of this investigation

was to evaluate muscadine grape cultivars for yields during several

years at the Agricultural Research Center, Fort Pierce, Florida.

MATERIALS AND METHODS

Seven muscadine grape cultivars were planted on raised beds during

the Fall of 1972. Each row consisted of 7 randomly planted cultivars.

A total of 6 rows were planted, with the middle 4 used for data collec-

tion. Rows were spaced 10 feet apart and plants spaced 16 feet apart

within the row. A randomized complete block design with four replica-

tions was used. Grapes were trained to a 2-wire vertical trellis system.

A combination of maneb 80% WP (1.5 lbs/100 gal/A) and magnesium

sulfate (4 lbs/100 gal/A) with either malathion 5E(1.5 pts/100 gal/A)

or sevin 80% WP (.75 lbs/100 gal/A) was used in a spray program. The

pesticide spray program was generally started at the beginning of April

to the end of August during each year. Spray applications were made



Assistant Professor, Professor Emeritus, and Assistant Professor,

Agricultural Research Center, Fort Pierce.

2Professor, Agricultural Research Center, Leesburg.


University of Florida, Institute of Food and Agricultural Sciences


/i
/


I .





2 -


in approximately 10 day intervals. An application of complete (N, P,

and K) fertilizer was made each spring when the first flush of new

growth appeared. Subsequent. fertilizer applications of N and K were

made during the summer depending upon the amount and time of heavy

rainfall.

Harvesting was performed on all cultivars with a hand held

mechanical shaker during the end of August for each year. Total yield

(Ibs/vine) was collected beginning in 1976 to 1980.

Training and pruning of all cultivars were performed in January

of each year. Total pruned wood weights (lbs/vine) were taken from

1976 to 1980.

The two border rows consisted of several muscadine grape cultivars

and breeding lines not present in the replicated trial. These cultivars

were planted during 1967 (Table 4) and 1972 (Table 5). Procedures for

fertilizer, pesticide applications, pruning and training methods, and

harvesting were similar to those used in the replicated trial.

RESULTS AND DISCUSSION

Several muscadine grape fruit characteristics; i.e. sex, color,

size, texture, uses, mechanical harvest ability, and growing area recom-

mendations are presented in Table 1.

Fruit yields and pruned wood weights during a 5 year period for 7

muscadine grape cultivars are presented in Table 2 and 3, respectively.

Fruit yields for 'Cowart and Dixie' were higher during 1976, 1977, 1978,

and compared to 'Pride', 'Fry', 'Magoon', 'Hunt' and 'Southland'.

'Cowart', 'Pride', 'Fry' and 'Hunt' were the higher in fruit yield than

the other cultivars. However, 'Cowart' and 'Dixie' were higher in fruit

yields when averaged over years as compared to the other cultivars.

Average yearly fruit yield means increased from 1976 to 1979 with a con-

siderable reduction during 1980.





-


'Pride', 'Fry', and 'Hunt' had larger pruned wood weights during

each of the 5 years when compared to 'Cowart', 'Dixie', 'Magoon', or

'Southland'. This resulted in the average cultivar mean over years

being higher for 'Pride', 'Fry', and 'Hunt', indicating their larger

vegetative growth. This suggests that these 3 cultivars are generally

transporting more photosynthates into vegetative plant parts (stems and

leaves) rather than reproductive plant parts (berries). Average yearly

means for pruned wood weights did not.increase similarly to fruit yield.

A sharp increase in pruning wood weight occurred between 1976 and 1977

followed by a lack of reduction or increase between 1977 and 1979. A

reduction in pruning wood weight and fruit yield occurred between 1979

and 1980.

Muscadine grape fruit yields over a seven year period from an un-

replicated trial are presented in Table 4. During most years, 'Hunt',

'Pride', and 'Higgins' were larger in fruit yields compared to the

other cultivars (Table 4). This was evident from the larger average

cultivar fruit yield means over years for the three cultivars. Average

yearly fruit yield means were more stable and had not fluctuated as

compared to those in the replicated yield trial.

Fruit yields of four recently released muscadine grape cultivars

from 1975 to 1980 in a non-replicated trial are presented in Table 5.

'Welder' and 'Noble' had larger average fruit yield over years as

compared to 'Chief' and 'Carlos'. Average yearly fruit yields increased

from 1975 to 1979 followed by a reduction during 1980.

CONCLUSIONS

Based on data obtained to date, the following cultivars are

recommended for the Fort Pierce area of Florida:

For fresh market: 'Cowart', 'Dixie', 'Fry', and 'Southland'.





-4-


For pick-your-own: 'Fry', 'Higgins', 'Dixie', 'Magnolia', and

'Cowart'.

For wine: 'Welder', 'Dixie', 'Magnolia', and 'Noble!.

For juice: 'Noble' and 'Chief'.

Recently released muscadine grape cultivars meriting trial are

'Triumph' (large, bronze, self-fertile, pick your own cultivar), 'Summit'

(large, bronze, female, fresh market cultivar), 'Dixieland' (large,

bronze, self-fertile, pick your own cultivar), 'Dixiered' (large, red,

self-fertile, fresh market cultivar), 'Regale' (medium, black, self-

fertile, wine cultivar), and 'Doreen' (medium, bronze, self-fertile,

wine cultivar).









T e 1. Several fruit characteristics, uses, and ing area
cultivars in Florida


recommendations of muscadine grape


Cultivar
Higgins
Cowart
Dixie
Pride
Fry
Magoon
Southland
Hunt
Welder
Noble
Chief
Carlos
Magnolia
Yuga
Roanoke
Topsail
Pamlico
Albemarle


Sexz
Female
Self-fertile
Self-fertile
Female
Female
Self-fertile
Self-fertile
Female
Self-fertile
Self-fertile
Self-fertile
Self-fertile
Self-fertile
Female
Self-fertile
Female
Self-fertile
Self-fertile


Fruit
Color
bronze
black
bronze
black
bronze
black
black
black
bronze
black
black
bronze
bronze
bronze
bronze
bronze
bronze
black


Fruity
Size
5
4
3
4
5
2
3
2
2
2
2
3
4
2
3
4
4
3


UsesX
Fresh Juice Wine
+ +
+- --
+ +
+ -
+ -
+ -
+ -


Mechanical
Texture Harvest


-_ +


+


no
yes
yes
no
no
yes
yes
no
yes
yes
yes
yes
no
no
yes
yes
yes
yes


Growing Area
Recommendation


South Fla.
Fla.
Fla.
South Fla.
Fla.
Fla.
Fla.
South Fla.
Fla.
Fla.
Fla.
*
South Fla.
*
*
*


CentralNorth Fla.
Central&North Fla.


z Female cultivars require a self-fertile cultivar within 25 feet in order to set a full crop of fruit.
Self-fertile cultivars bear fruit alone and serve as pollinators for female cultivars.

y Size: (1 = very small, 2 = small, 3 = medium, 4 = large, 5 = very large
x + = recommended, = not recommended.
w Texture: (1 = very tough, 2 = tough, 3 = medium, 4 = tender, 5 = very tender
vNot recommended for Florida.
Not recommended for Florida.


r


--











Table 2. Muscadine fruit yields over a 5- ear period in replicated yield
trials (Ft. Pierce 1976 1980).


Cultivar


Cowart

Dixie

Pride

Fry

Magoon

Hunt

Southland

Year mean
lbs/vine

Ton/A


1976 1977


29.4

16.1

8.0

5.1

11.6

8.2

13.6



12.1

1.7


28.8

30.0

15.1

16.0

16.3

18.8

12.9



19.7

2.7


Year
1978
lbs/vine

60.0

44.7

17.3

12.5

29.7

5.8

21.9


27.4

3.7


1979 1980


60.0

40.3

62.1

54.3

29.1

52.8

30.8



47.0

6.4


47.0

35.2

32.9

31.5

30.4

24.0

22.4



31.9

4.3


Cultivar
Mean
lbs/vine t<

43.6 5

33.3 4

27.1 3

23.9 3

23.4 3

21.9 3

20.3 2


on/A

.9

.5

.7

.3

.2

.0

.8


z Cultivars planted in 1972.


----



















Table 3. Muscadine pruned wood weights over a 5-year period in replicated
yield trials on raised beds of soil (Ft. Pierce 1976-1980).


Cultivar


Cowart

Dixie

Pride

Fry

Magoon

* Hunt

Southland


1976 1977


2.5 9.0

1.3 8.1

3.3 14.1

3.3 14.6

.8 6.9

11.3 38.2

.8 5.2


Year
1978
lbs/vine
10.3

7.5

13.4

16.1

8.3

21.7

11.3


1979 1980


5.8 4.7

5.4 8.3

18.2 11.8

12.5 7.4

3.6 3.3

44.5 25.9

4.2 5.2


Cultivar
Mean
lbs/vine T
6.5

6.1

12.2 1

10.8 1

4.6

28.3 3

5.3


Year Mean
lbs/vine

Ton/A


3.33. 13.7 .

.5 .' 1.9


12.7

; 1.7


z Cltivars planted in 1972.


on/A
.9

.8

.7

.5

.6

.9

.7


/ 13.4

1.8


9.5 '

1.3 *


---











Table 4. Muscadine fruit yields over a 7-year period
yield trials (Ft. Pierce 1970-1976).


in non-replicated


Cultivar


Hunt

Pride

Higgins

Magnolia

Ga. 28

Ga. 24-16

Yuga

Roanoke

Magoon (#2)

. Magoon (#1)

Topsail

Pamlico

Albemarle

Year Mean
lbs/vine

Ton/A


Year
1970. 1971 1972 1973
lbs/vine


48.5

30.8

10.3

22.8

22.8

33.8

27.2

8.8

16.2

15.4

12.5

16.2

0


22.0

3.0


62.4

58.8

47.8

44.0

32.2

40.4

30.8

18.4

22.0

8.1

14.0

17.6

0


33.1

4.5


42.6

44.8

55.8

19.8

14.7

25.0

11.0

13.2

21.3

13.2

16.9

8.8

.7


26.4

3.6


67.6

44.0

69.8

64.6

37.5

20.6

52.2

14.7

23.5

24.2

30.8

6.6

2.9


35.3

4.8


18.4

2.5


17.6

2.4


Cultivar
1974 1975 1976 Mean
lbs/vine

52.9 44.8 8.8W 52.9

43.3 53.6 12.5 41.1

35.3 21.3y 27.9 41.1

24.2 .7y 34.5 35.3

27.2 31.6 30.1 35.3

10.3 9.6 32.3 27.9

2.2 8.8 0w 32.2

17.6 19.1 26.4 22.0

.7 10.3 21.3 16.9

16.2 13.2 16.9 16.2

1.5 8.8 10.3 15.4

9.6 5.9 9.6 13.2

1.5 .7 2.2 1.5


19.1

2.6


z Cultivar planted in 1967.


Y Vines badly injured by grass fire.


w Yield data not complete because of delayed ripening.


Ton/A

7.2

5.6

5.6

4.8

4.8

3.8

3.3

3.0

2.3

2.2

2.1

1.8

.2









Table 5. Muscadine fruit yields over a 6-year period in non-replicated

yields (Ft. Pierce, 1975-1980).z

Year Cultivar
Cultivar 1975 1976 1977 1978 1979 1980 Mean
---- -----bs/vine-------- ---- Ibs/vine Ton/A

Welder 1.4 31.2 45.7 61.5 74.0 34.5 41.4 5.6

Noble 0 9.9 27.6 52.6 64.9 34.8 31.6 4.3

Chief 2.0 13.8 14.8 30.2 21.5 16.5 2.2

Carlos 11.3 29.5 20.4 2.8

Year Mean

lbs/vine 1.1 16.6 29.4 48.1 69.5 30.1

Ton/A .2 2.3 4.0 6.5 9.5 4.1



z Cultivars planted in 1972.




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