best practice management guide for south-eastern Australia - Grains ...

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© 2009 Grains Research and Development Corporation. All rights reserved. ISBN 978-1-875477-85-2 Canola best practice management guide for south-eastern Australia Edited by: Don McCaffery, NSW Department Primary Industries; Trent Potter, SA Research and Development Institute; Steve Marcroft, Marcroft Grains Pathology; and Felicity Pritchard, Irrigated Cropping Forum. Photo front cover: Brad Collis Photo back cover: NSW DPI. In submitting this report, the researchers have agreed to the GRDC publishing this material in its edited form. GRDC Contact Details: Grains Research and Development Corporation Level 1, 40 Blackall Street BARTON ACT 2600 PO Box 5367 KINGSTON ACT 2604 Phone 02 6166 4500 Fax 02 6166 4599 Email grdc@grdc.com.au. Web http://www.grdc.com.au Design and production: Coretext, www.coretext.com.au Disclaimer The content of this bulletin is provided for information purposes only. While reasonable care is taken in its preparation, the Grains Research and Development Corporation does not guarantee or warrant the accuracy, reliability, completeness or currency of the information in this document or its usefulness in achieving any purpose. Users of this document are responsible for assessing the relevance and accuracy of its content. The Grains Research and Development Corporation will not be liable for any loss, damage, cost or expense incurred or arising by reason of any person using or relying on the information in this document. 2 Canola best practice management guide
Contents Contents 1. Introduction..................................................................................... 5 2. Grain quality.................................................................................... 7 High oleic, low linolenic acid canola (HOLL).................................... 7 Brassica juncea................................................................................. 7 Oil content........................................................................................ 8 Fatty acid profiles............................................................................. 8 Erucic acid........................................................................................ 9 Iodine value...................................................................................... 9 Chlorophyll content.......................................................................... 9 Canola meal...................................................................................... 9 Protein.............................................................................................. 9 Glucosinolates................................................................................ 10 Volumetric grain weights................................................................ 10 3. The canola plant and how it grows.............................................. 11 Environmental stresses impacting yield and oil content................ 14 4. Crop rotation and paddock selection........................................... 15 Crop rotation................................................................................... 15 Paddock selection.......................................................................... 17 Dual-purpose canola (grazing and grain)....................................... 19 5. Crop establishment....................................................................... 21 Pre-sowing management............................................................... 21 Seed quality.................................................................................... 22 Sowing method.............................................................................. 24 Sowing depth – general.................................................................. 27 Time of sowing – general............................................................... 27 6. Canola in the low-rainfall cropping zone...................................... 29 7. Nutrition and soil fertility............................................................... 31 Nitrogen.......................................................................................... 31 Phosphorus.................................................................................... 34 Sulfur.............................................................................................. 35 Potassium....................................................................................... 35 Other elements............................................................................... 36 Boron.............................................................................................. 36 Molybdenum................................................................................... 37 Zinc................................................................................................. 37 Magnesium..................................................................................... 37 Calcium........................................................................................... 37 Salinity and subsoil constraints...................................................... 38 Soil acidity and liming.................................................................... 38 Farmer test strips........................................................................... 40 8. Weed management....................................................................... 41 Weed management with herbicides............................................... 41 Integrated weed management (IWM)............................................. 45 Canola best practice management guide 3
Page 1: Canola best practice management gui
Page 5 and 6: Introduction 1. Introduction Don Mc
Page 7 and 8: Grain quality 2. Grain quality Rod
Page 9 and 10: Grain quality Erucic acid The level
Page 11 and 12: The canola plant and how it grows 3
Page 13 and 14: The canola plant and how it grows S
Page 15 and 16: Crop rotation and paddock selection
Page 21 and 22: Crop establishment 5. Crop establis
Page 23 and 24: Crop establishment Certified seed i
Page 25 and 26: Crop establishment Dry sowing in dr
Page 27 and 28: Crop establishment Sowing depth - g
Page 29 and 30: Canola in the low-rainfall cropping
Page 31 and 32: Nutrition and soil fertility 7. Nut
Page 33 and 34: Nutrition and soil fertility Nitrog
Page 35 and 36: Nutrition and soil fertility Sulfur
Page 37 and 38: Nutrition and soil fertility Molybd
Page 39 and 40: Nutrition and soil fertility Mangan
Page 41 and 42: Weed management 8. Weed management
Page 43 and 44: Weed management of the herbicide to
Page 45 and 46: Weed management Burning windrows ca
Page 47 and 48: Pests of canola 9. Pests of canola
Page 49 and 50: Pests of canola Cutworm caterpillar
Page 51 and 52: Pests of canola Lucerne flea. Photo
Page 53 and 54:
Pests of canola Controlling snails
Page 55 and 56:
Pests of canola Winged aphids migra
Page 57 and 58:
Pests of canola bag or plastic tray
Page 59 and 60:
Diseases of canola 10. Diseases of
Page 61 and 62:
Diseases of canola Figure 10.1 2009
Page 63 and 64:
Diseases of canola Alternaria leaf
Page 65 and 66:
Diseases of canola Downy mildew on
Page 67 and 68:
Grazing and fodder conservation 11.
Page 69 and 70:
Grazing and fodder conservation Gro
Page 71 and 72:
Irrigation management 12. Irrigatio
Page 73 and 74:
Irrigation management Terraced cont
Page 75 and 76:
Bees and pollination 13. Bees and p
Page 77 and 78:
Windrowing and harvesting 14. Windr
Page 79 and 80:
Windrowing and harvesting Windrowin
Page 81 and 82:
Windrowing and harvesting Severe wi
Page 83 and 84:
Windrowing and harvesting Timing of
Page 85 and 86:
Post-harvest management 15. Post-ha
Page 87 and 88:
Marketing 16. Marketing Dick Benson
Page 89 and 90:
Marketing because of a sudden colla
Page 91 and 92:
Acknowledgements Acknowledgements T
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