Lusernnavorsing J M van Heerden ARC-Animal Production
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Lusernnavorsing
J M van Heerden
ARC-Animal Production
Lucerne cultivar
evaluation at Roodebloem
2009 to 2014
16
64
1602
1531
1476
1462
1454
1432
1384
1380
1346
1316
1209
11
99
1095
1070
1021
926
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Pro
du
ctio
n k
g D
M h
a-1
annum
-1
Production of 17 grazed lucerne cultivars over five seasons at Roodebloem
0
100
200
300
400
500
600
May - July Aug - Oct Nov - Jan Feb - Mar
Lu
ce
rne
pro
du
cti
on
an
d g
raze
d (
kg
ha
-1 s
ea
so
n-1
)
Lucerne production and grazing intake during four seasons over five years at Roodebloem
Production
Grazed
Number of lucerne plants
m -2
Table 6. Number of plants m-2 for each cultivar over two seasons
2012 and 2013 at Roodebloem, Caledon
Kultivar Mean
Pegasis 66.2 a
SA Standaard 65.8 a
SA Select 65.0 a
Magna 601 58.8 ab
Venus 49.8 abc
Icon 41.7 bcd
Super Siriver 40.2 bcde
WL 414 39.7 bcde
Super Aurora 37.5 bcdef
WL 357 35.5 cdef
WL 903 33.5 cdef
Magna 804 33.3 cdef
KKS 9911 30.7 cdef
Super Star 30.3 cdef
KKS 4000 22.3 def
KKS 7000 20.0 ef
Super Cuf 17.2 f
y = -0.0218x + 3.5568 R² = 0.6632
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.5
0 10 20 30 40 50 60 70 80 90
Mas
s p
lan
t -1
(g)
Number of lucerne plants m2
Relationship between number of lucerne plants (# m2) and the mass per lucerne plant (gm) for 17 lucerne cultivars at Roodebloem after four seasons
KKS 4000
Icon
WL 357
SA Standard
KKS 7000
WL 414
SA Select
Pegasis
Magna 601
Venus Super Siriver
KKS 9911
WL 903
Super Cuf Super Aurora
Super Star
Magna 804
Number of plants m-2 per season over
cultivars at Roodebloem, Caledon
Date Mean
2012 47.26 a
2013 34.22 b
Mass per lucerne plant (g plant -1) over
cultivars in successive years at Roodebloem
Date Mean
2012 2.51 b
2013 4.22 a
Influence of seed
treatment with cruiser
compared to inoculated
seed only
Cultivar SA Select
At twenty seeding rates
0 to 20 kg ha -1
Over seeding rates
Lusern
Saadbehandeling
141 b
88 d
53 e
183 a
108 c
59 e
0
20
40
60
80
100
120
140
160
180
200
2011 2012 2013
Nu
mb
er
of
luc
ern
e p
lan
ts m
2
Year
Influence of seed treatment on the number of lucerne plants established in 2011 during consecutive seasons
I
T
35 b
21 d
13 e
46 a
27 c
14 e
0
5
10
15
20
25
30
35
40
45
50
2011 2012 2013
% o
f G
erm
ina
ble
se
ed
s
Influence of seed treatment on the % of germinable lucerne seeds, established in 2011, during consecutive seasons
I
T
Effect of seeding rate
Number of lucerne
plants
y = -0.1033x2 + 16.675x R² = 0.9371
y = -0.1853x2 + 11.83x R² = 0.835
y = -0.1468x2 + 7.3552x R² = 0.7544
0
50
100
150
200
250
300
350
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Nu
mb
er
of
luc
ern
e p
lan
ts m
-2
Lucerne seeding rate (kg ha-1)
Influence of seeding rate on the number of lucerne plants m-2 during three consecutive seasons
2011
2012
2013
Poly. (2011)
Poly. (2012)
Poly. (2013)
Lucerne dry mass
y = -0.0222x + 0.8891 R² = 0.6576
y = -1.229ln(x) + 4.7895 R² = 0.833
0
1
2
3
4
5
6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Dry
ma
ss
lu
ce
rne
pla
nt-
1 (
g)
Lucerne seeding rate (kg ha-1)
Influence of seeding rate on the dry mass per lucerne plant during two consecutive seasons (2011 and 2013)
2011
2013
Linear (2011)
Log. (2013)
y = 41.052ln(x) + 6.2701 R² = 0.8227
y = 27.612ln(x) + 32.443 R² = 0.5108
0
20
40
60
80
100
120
140
160
180
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Lu
ce
rne
ma
ss
g m
-2
Seeding rate kg ha-1
Influence of seeding rate on the total dry mass (g m-2) of lucerne, establised in 2011, during two consecutive seasons (2011 and
2013)
2011
2013
Log. (2011)
Log. (2013)
RED MEAT
RESEARCH AND
DEVELOPMENT
TRUST OF SA
(RMRDT)
Cape Wools
Relationship between the number of weed and legume seedlings
0
200
400
600
800
1000
0 200 400 600 800 1000 1200 1400 1600
Weed seedlings/sq m
Legum
e s
eedlin
gs/s
q m
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