THE RELATIVE PERFORMANCE AND TARGETING RELIABILITY OF SUMMER CROPS (MAIZE & SUNFLOWERS) COMPARED TO GRAIN SORGHUM
| Date: 03 Sep 2008
Take home message
Background
Methods
Sowing Time
|
Moree Site
|
Tamworth Site
|
1
|
6th & 7th September, 07
|
10th & 11th September, 07
|
2
|
Not sown due to a lack of rain*
|
Not sown due to a lack of rain*
|
3
|
21st & 22nd November,07
|
14th, 15th & 16th November, 07
|
4
|
15th & 16th January,08
|
11th & 12th January, 08
|
Crop
|
Maturity
|
||
|
Quick
|
Medium
|
Long
|
Sorghum
|
MR Striker
85G08
Exp 4666.1101
Venture
|
MR Buster
86G86
Banjo
Dominator
|
Pac2423
Bonus.MR
Overflow
Enforcer
|
Maize
quick 90-100 CRM
med 101-110 CRM
long 111-120 CRM
|
36H36
PACM592
Emperor TL MYF140SM
|
Hycorn 533
34N43
Cobber Flint
Maximus
|
Hycorn 424
32P55
Exp. 8821.8501
Hannibal
|
Sunflower
|
T40318
Ausigold 52
Sunoleic 06
Ausigold 7
|
Hysun 38
Ausigold 62
Advantage
HP002GN
|
Hyoleic 41
Ausigold 4
HP004GN
Hysun 39
|
Results & Discussion
|
Moree Site
|
Tamworth Site
|
Sowing Time
|
Yield (t/ha)
|
Yield (t/ha)
|
1
|
1.311
|
2.5437a
|
3
|
n/a
|
2.2316a
|
4
|
n/a
|
0.3583b *
|
Lsd (5%):
|
n/a
|
0.34t/ha
|
Moree Site
|
Tamworth Site
|
|
||||||||
Sowing
Time |
Maturity
|
Yield (t/ha)
|
Sowing Time
|
Maturity
|
Yield (t/ha)
|
|||||
1
|
Long
|
1.51a
|
1
|
Long
|
2.82a
|
|||||
-
|
3
|
Long
|
2.66ab
|
|
||||||
1
|
Quick
|
1.08b
|
1
|
Quick
|
2.51abc
|
|
||||
1
|
Med
|
1.34ab
|
1
|
Med
|
2.29bcd
|
|
||||
-
|
3
|
Quick
|
2.14cd
|
|
||||||
-
|
3
|
Med
|
1.89d
|
|
||||||
-
|
4
|
Long
|
0.44e
|
|
||||||
-
|
4
|
Quick
|
0.37e
|
|
||||||
-
|
4
|
Med
|
0.26e
|
|
||||||
|
|
|
|
|
|
|
||||
Lsd (5%):
|
|
0.27t/ha
|
|
|
0.44t/ha
|
|
The highest yields for sorghum were obtained at the Tamworth site at sowing time 3. In addition, sowing time 1 was significantly better than sowing time 4. To compare the sowing times, sowing time 1 and sowing time 4, yielded 77% and 40% of sowing time 3 respectively. At Moree, the highest yields were also obtained for sowing time 3. Sowing time 1 also yielded significantly better than sowing time 4.
|
Moree Site
|
Tamworth Site
|
Sowing Time
|
Yield (t/ha)
|
Yield (t/ha)
|
1 - Sept
|
3.36b
|
5.42b
|
3 – Nov
|
4.47a
|
6.98a
|
4 – Jan
|
2.68c
|
2.79c
|
Lsd (5%):
|
0.586t/ha
|
0.64t/ha
|
Moree Site
|
Tamworth Site
|
||||
Sowing Time
|
Maturity
|
Yield (t/ha)
|
Sowing Time
|
Maturity
|
Yield (t/ha)
|
3
|
Quick
|
4.56a
|
3
|
Long
|
7.22a
|
3
|
Long
|
4.55a
|
3
|
Med
|
6.93a
|
3
|
Medium
|
4.30ab
|
3
|
Quick
|
6.81a
|
1
|
Medium
|
3.62bc
|
1
|
Med
|
5.65b
|
1
|
Quick
|
3.30cd
|
1
|
Long
|
5.34b
|
1
|
Long
|
3.17cd
|
1
|
Quick
|
5.25b
|
4
|
Long
|
2.78d
|
4
|
Quick
|
2.97c
|
4
|
Quick
|
2.73d
|
4
|
Med
|
2.92c
|
4
|
Med
|
2.52d
|
4
|
Long
|
2.48c
|
Lsd (5%):
|
|
0.786t/ha
|
|
|
1.12t/ha
|
At the Tamworth site, the highest yields were obtained from maize when sown on the 1st or 3rd planting time. The latest planting time (4th sowing) in January had a significantly lower yield, in fact only 53% of the yield of the first two sowing times.
|
Moree Site
|
Tamworth Site
|
Sowing Time
|
Yield (t/ha)
|
Yield (t/ha)
|
1 – Sept
|
4.01b
|
7.22a
|
3 – Nov
|
7.05a
|
7.27a
|
4 – Jan
|
2.45c
|
3.89b
|
Lsd (5%):
|
0.38t/ha
|
0.65
|
Moree Site
|
Tamworth Site
|
||||
Sowing Time
|
Maturity
|
Yield (t/ha)
|
Sowing Time
|
Maturity
|
Yield (t/ha)
|
3
|
Medium
|
7.34a
|
3
|
Medium
|
8.49a
|
3
|
Long
|
7.12ab
|
1
|
Long
|
7.54ab
|
3
|
Quick
|
6.7b
|
1
|
Medium
|
7.09b
|
1
|
Medium
|
4.33c
|
1
|
Quick
|
7.04b
|
1
|
Long
|
4.27c
|
3
|
Quick
|
6.69b
|
1
|
Quick
|
3.43d
|
3
|
Long
|
6.65b
|
4
|
Medium
|
2.86de
|
4
|
Quick
|
4.53c
|
4
|
Long
|
2.28ef
|
4
|
Medium
|
4.06cd
|
4
|
Quick
|
2.22f
|
4
|
Long
|
3.103d
|
Lsd (5%):
|
|
0.60t/ha
|
|
|
1.13t/ha
|
Comparative crops performance with sorghum
Conclusion
Acknowledgements
Contact details
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