News > Agronomy > Canola-Best Management Practices

Canola-Best Management Practices

Feb 25, 2021
  1. Crop Planning:
  1. Objectives – type of canola system, trait requirements e.g. pod shatter resistance, yield, input costs
  2. Rotation Management
  • 1 in 3 or 1 in 4 years, if possible
  • rotate canola system from previous one i.e. extends blackleg resistance
  • consider weed density/species, other crops in rotation, volunteer control
  1. Macro nutrient management
  • soil test, include micros
  • N to S ratio (5:1)
  • consider most efficient placement and seed safety
 
  1. Stand Establishment:
  1. seed treatment – consider options for cutworm and striped flea beetle control
  2. monitor soil temps for seeding i.e. optimum at 8C.
  3. calculate optimum seeding rates i.e. use TSW to establish a stand of 7-10 plants/sq ft.  Consider seeding speed as well. Ideal seeding depth is 1/2” to 3/4”.
  4. pre-seed burn-off i.e. add-ins to addresses glyphosate-resistant weeds, specific weed issues such as cleavers and kochia.
  5. monitor early emergence of crop for signs of cutworm, flea beetles and blackleg.  Take appropriate control measures.
 
  1. Crop Management:
  1. target early removal of weeds, incorporating strategies for multiple applications and/or higher rates if applicable.
  2. continue monitoring for blackleg infection, consider a fungicide application with the herbicide.
  3. consider a “stress relief” micro blend application at herbicide timing, if crop is under stress.
  4. monitor crop for diamond-backed moth, Bertha armyworm, and lygus bug infestations, take appropriate control measures.
  5. monitor for appearance of sclerotinia apothecia and consult risk maps to assist with control decisions.
  6. monitor crop for appropriate timing for sclerotinia control i.e. before petal fall, 20-30% bloom stage.
  7. consider the application of boron with the fungicide application to enhance pollination, especially when crop is heat-stressed.
  8. continue to monitor for lygus, DBM and bertha armyworm (consult moth trap results).  Take control measures when economic thresholds are reached.
 
  1. Harvest Management:
  1. monitor crop and consult Seed Colour Change charts.
  2. monitor possible seedpod scalding which could result in pre-mature swathing.
  3. consider a pre-harvest dessication, if required.
  4. evaluate the crop harvestability of your variety as well as herbicide and fungicide performance.
  5. conduct a post-harvest evaluation for blackleg.
 
Please visit with your local Shur-Gro sales agronomist for assistance with your canola management plan for 2021.
 


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