1. Grazing crops
Mark Seymour

2. Producing enough dry matter
Outline
Safe growth stages
Producing enough dry matter
Sow before Anzac day
Increase canola density
Chemical with-holding periods

3. Development Guidelines
Cereal
Start
Z21
Start of tillering
Anchored
Finish
Z31
Start of stem elongation
Canola
Start
6 leaf stage
Anchored
Finish
Before flower bud reaches top of canopy
Flower bud < 10cm above ground

4. April 22 Canola development
Variety!
Start
Stop
Duration
ATR Cobbler
10-Jun
22-Jul 43
44C79 CL
5-Jun
20-Jul 46
CB Tanami
GT Scorpion
AV Garnet
3-Jun 48
CB Eclipse
27-Jul
CB Mallee Hybrid
GT Mustang
31-May 51
CB Tumby Hybrid
4-Aug 56
Hyola571
Thunder TT
45Y82 Hybrid 58
GT Cougar
Hyola751 TT
10-Aug 62
46Y83 CL 63
Hyola601 RR
CBI 306
7-Sep 97
CBI 406
Taurus
13-Sep
103
CBIW 208
29-Sep
122
Development ok but not enough biomass
April 22 Canola development

5. April 22 Cereal development
Variety
Start
Stop
Duration
Mundah
20-May
16-Jun 28
SMBA
17-May
18-Jun 33
Calingiri
22-Jun 34
Yitpi
Wyalkatchem
29-Jun 44
Baudin
4-Jul 49
Preston
17-Jul 59
HRZ
21-Jul 63
Wedgetail
5-Aug 78
Mackaller
14-Aug 87

7. 1/5 t/ha July 27 Gibson Sown May 18

9. 10ED09 Hybrid and OP canola x plant density at Gibson: Dry matter (kg/ha) at the start of bolting (GS16-30, 27th July 2010) Sown May 18

10. Dry cold weather can really slow things down
Growth stage of canola and cereals at Kojonup (1TOS) on 6th July - when TOS 1 early grazing treatments imposed. Sown May 6 in a dry start
Cultivar
Crop
Growth score
Dry matter (kg/ha)
ATR Cobbler
Canola OP TT 15
138
AV-Garnet
Canola OP NT 18
110
Baudin
Barley 11
104
Calingiri
Wheat 13 61
CB Mallee
Canola TT Hybrid 16
148
Hyola 50
Canola Hybrid 17 87
Hyola751 TT
126
CBI 306
Canola Hybrid NT
155
CB Taurus
123
Oxford
109
Preston 95
Thunder TT 78
Wedgetail
102
Yitpi 79
Dry cold weather can really slow things down
It took till August to get 1 t/ha

11. Grazing with holding periods

12. 2011 Cattle grazing canola, cereal and pasture EDRS TOS comparisons
April 15
May 10

13. Varieties in 2011 grazing trialHT
Variety
Maturity Class
Conventional
44Y06 or 44Y84 CL E
CB Agamax or Hyola 50 EM
Av Garnet or Hyola 61 M
Hyola 76 or 46Y83 CL ML
CBI 406 VL
CBI 316
CB Taurus
CBIW 208 RR
Hyola 404RR
Hyola 505RR
45Y21 RR ME
45Y22 RR
GT Mustang
Hyola 606RR
46Y20
Hyola 606RR High density

14. Varieties in 2011 grazing trial
Species HT
Variety
Maturity Class
Wheat
Cereal
Mace
Short-Mid
Wyalkatchem
Mid
Magenta
Mid-Long
Yitpi
Scout
Endure
Long
Preston
Wedgetail
Very Long
Barley
Baudin
Medium
Buloke
Gairdner
Oxford
Medium/Late
Hindmarsh
Early
Henley
Fleet
Urambie
Very Late

15. Cereal guidelines from east
Start to graze when well anchored
Tug test
Often Z21
When forage exceeds 1 t/ha
Need March/April sowing to get this in WA by end of May/start of June
Provides 1000 kg of live animal/ha
33 sheep/ha each weighing 30 kg
3 cattle/ha each weighing 333 kg
One months grazing
WA 504 kg/ha or 1.5 beats/ha at 330 kg livesweight (Matt Ryan)