Lemons
New Varieties for the
Desert Citrus Industry
! Early season sizing
! Precocity
! High yields
Glenn C. Wright
Extension Citrus Specialist
University of Arizona
Cavers Lisbon
Limonero Fino 49
800
645
700
565
600
484
500
403
400
323
300
242
200
161
100
81
0
! Winter lemon of
Spain
! Early size
! Good yield
! Thorny
! Fruits throughout
tree
! Vigorous
Harvest Year
20
02
-2
00
3
20
01
-2
00
2
20
00
-2
00
1
19
99
-2
00
0
19
98
-1
99
9
0
19
97
-1
99
8
Annual Yield (lbs. per tree)
! Early size
! Good yield
! Fruits throughout
tree
! Vigorous
Allen Eureka
Cascade Eureka
Cavers Lisbon
Cook Eureka
Frost Nucellar Lisbon
Limoneira 8A Lisbon
Limonero Fino 49
Prior Lisbon
Rosenberger Lisbon
Villafranca
1
1008
a
a
a
a
700
882
ab
ab
600
ab
ab
756
ab
500
630
b
400
504
300
378
252
200
a
100
Yield
(lbs. per tree)
bc
ab
bc
126
bcd
cd
cd
bc
d
d
V
Fr
ill
os
af
ra
tN
nc
uc
a
ell
ar
Lis
bo
n
Pr
io
Lim
rL
is
on
bo
e ir
n
a
8A
Lis
bo
C
n
oo
k
R
os
Eu
en
re
be
ka
rg
er
Lis
C
bo
as
n
ca
de
Eu
re
ka
49
0
Eu
re
ka
A ll
en
Fin
o
av
er
s
Lim
on
er
o
Li
sb
on
0
C
Approximate yield in
field boxes per acre
(based on 24 x 24 ft. spacing)
800
10/16/2002 Harvest
2/24/2003 Harvest
Selection
Letters indicate significant differences, within harvest dates or for total yield (bold letters), between selections tested.
There was no significant effect of selection upon second harvest yield.
2002-03 Block 17 Lemon Packout - 10/16/02 Harvest
Cultivar
Cascade Eureka
a
Cook Eureka
ab
Allen Eureka
a
bc
Limoneira 8A Lisbon
c
Frost Nucellar Lisbon
bc
Cavers Lisbon
bc
abc
ab
ab
a
b
c
c
10
c
c
b
Prior Lisbon bc
c
c
c
0
abc
bc
b
bc
Limonero Fino 49
abc
c
b
bc
c
Villafranca
c
d
b
30
40
50
60
70
bc
ab
a
20
75
95
115
140
165
200
235
285
80
90
100
Packout (%)
Letters indicate significant differences, within fruit sizes, between cultivars tested.
1999 -2003 Block 22 Lemon Yields
450
250
cd
d
def
ab
ab
C av er s Lisb on
a
d
R os en b erg er Lisb on
10
a
20
30
40
bc
cde
50
60
P ack o ut (% )
c
ef
a
a
cd
0
75
95
1 15
1 40
1 65
2 00
2 35
2 85
c
a
bc
a
P rior Lisb on
bc
a
70
80
150
62.5
100
90
Approximate yield in
field boxes per acre
(based on 24 x 24 ft. spacing)
ab
abc
125
200
50
0
0
1 00
Harvest Year
03
bc
Limo n eira 8 A Lisb on
Fro s t N u ce lla r Lisb on
ab
20
02
-2
0
Limo ne ro Fin o 49
bc
ab
250
02
cd
c
bc
d ef
187.5
300
20
01
-2
0
Villa f ran ca
f
cd
bc
350
01
ab
abc
c
00
C ook Eu re ka
A lle n Eu re ka
f
d
19
99
-2
0
a
20
00
-2
0
200 2-03 Block 1 7 Le m on P a ckou t - 2/ 1 4/ 0 3 H arv est
Cu lt iv ar
Ca s cade Eu re ka
Annual Yield (lbs. per tree)
400
Limoneira 8A Lisbon
Cavers Lisbon
Limonero Fino 49
Femminello
Santa Teresa
Le tters in di cate si gn ific an t d iffe re nce s, w ith in frui t si zes, be tw ee n cul tiva rs teste d.
2
400
504
A
AB
ABC
300
ABC
BCDE
DE
200
bcd
EF
bc
a
cde
b
bc
252
EF
bcde
bc
150
bcde
FG
bcde
378
BCD
BCD
CDE
250
def
126
100
a
ef
G
f
g
cde
ab
bcd
cd
cdef
def
re
ka
Co
rp
Fe
Lim
ac
m
i
on
m
eir
in
ell
a
o
Lim 8A
Lis
on
bo
er
n
o
F in
o
49
Pr
im
of
Sa
io
nt
ri
a
Te
re
sa
Vil
la
f ra
nc
a
ka
bo
n
Eu
Lis
s
k
ve
r
de
C
as
ca
C
oo
o
a
rn
re
c in
an
Eu
n
Ar
All
e
def
0
re
ka
0
bcd
cdef
fg
Eu
efgh
Be
Yield
(lbs. per tree)
Ca
50
Approximate yield in
field boxes per acre
(based on 24 x 24 ft. spacing)
350
Oct. 14, 2002 Harvest
Feb. 17, 2003 Harvest
Cultivar
Letters indicate significant differences, within harvest dates or for total yield (bold letters), between cultivars tested.
2002-03 Block 22 Lemon Packout - 2/17/03 Harvest
2002-03 Block 22 Lemon Packout - 10/14/02 Harvest
Cultivar
Cultivar
bcd
Limoneira 8A Lisbon
Limoneira 8A Lisbon
a
cd
de
cde
Cavers Lisbon
Limonero Fino 49
bcde
Femminello
e
Santa Teresa
de
0
ab
ab
bcd
a
d
10
abc
20
30
40
50
Packout (%)
60
75
95
115
140
165
200
c
a
a
a
70
bcde
abcd
Limonero Fino 49
abcd
90
Femminello
abc
cde
100
de
a
a
cd
0
10
ab
20
75
95
115
140
165
200
235
285
bc
d
Santa Teresa
ab
80
Cavers Lisbon
bc
d
ab
a
d
ab
abc
ab
30
40
50
60
70
abcde
80
90
100
Packout (%)
Letters indicate significant differences, within fruit sizes, between cultivars tested.
Letters indicate significant differences, within fruit sizes, between cultivars tested.
3
New Lemon Acquisitions
!
!
!
!
!
!
!
!
Limonero Fino 49
Cavers Lisbon
Walker Lisbon
Taylor Eureka
Lapithotiki
Genoa Old Line
Monroe Lisbon
Dr. Strong
2 00 2 -0 3 Blo c k 14 Le m o n Y ie lds
Mandarins
14 5
1 80
Yield (lbs. per tree)
12 1
ab
ab
b
1 20
97
bc
90
73
c
48
60
d
Precocity
High yields
No granulation
Easy peeling
Seedless
0
La
pi
th
ur
e
ot
ik
i
ka
e)
rE
yl
o
Ta
oa
en
G
M
on
r
(O
oe
ld
Li
Li
n
sb
on
sb
on
Li
ng
ro
St
r.
D
Li
m
on
ei
ra
ke
r
8A
Li
Li
sb
on
sb
on
0
al
!
!
!
!
!
24
30
W
Field Boxes per Acre
(Based on 30 x 30 ft. spacing)
a
1 50
C ultiva r
Fallglo Mandarin
Fallglo Mandarin
! Excellent size
! Good yield
! Does not typically
granulate
! Easy to peel
! Early
! Seedy!
! Seedless budwood
available soon
4
W. Murcott Afourer (Delite)
! Easy to peel
! Does not apparently
granulate in the desert
! Late fruit (December January)
! Not very seedy
especially if isolated
! Smaller fruit (Medium
and Large)
! Market window?
11/5/99
2/28/00
11/5/99
2/28/00
TDE’s and Gold Nugget
! Seedless, easy
peeling
! Yield?
! Market window?
Mandarin Trials in progress or planned
! Fallglo Trial – Terminated October 2002
! Seedless Fallglo
! Yuma – Jan. 2004 (bud seedlings)
! Delite
! Phoenix – April 2002 (planted)
! Yuma – June 2003 (planted)
! Yuma – April 2004 (bud seedlings)
! TDE 11-4
! Yuma - April 2004 (bud seedlings)
! Gold Nugget
! Phoenix – April 2002 (planted)
! Yuma – April 2004 (bud seedlings)
5