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Canola Desiccation

Canola Desiccation. Brian Jenks, Jordan Hoefing , and Gary Willoughby North Central Research Extension Center Minot, ND. Summary of 2005-07 results. Desiccant comparison :

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Canola Desiccation

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  1. Canola Desiccation Brian Jenks, Jordan Hoefing, and Gary Willoughby North Central Research Extension Center Minot, ND

  2. Summary of 2005-07 results • Desiccant comparison: • Desiccating with Paraquator Diquatproduced yield and quality results similar to swathing….when applied at proper timing. • Yield, test weight, oil content, seed loss were similar. • However, green count tended to increase with early applications and lodged canola. • Swathing tended to provide lower harvest moisture, but desiccating also produced acceptable harvest moisture.

  3. Summary of 2005-07 results • Timing comparison: • Applying the desiccant before seeds in middle pods had turned color resulted in higher green count, lower yield, and lower test weight. • Swathing too early caused similar results.

  4. Summary of 2005-07 results • Harvest comparison: • Minimal seed lost due to shattering at 7 or 14 DAT. • Generally lost <50 lb/A • Desiccated and swathed canola harvested 14 DAT had lower green count and less total damage than canola harvested 7 DAT.

  5. Effect of Sharpen and Valor applied pre-harvest on canola yield and seed quality • Brian Jenks, Jordan Hoefing, and Gary Willoughby • North Dakota State University • Ed Davis • Montana State University

  6. Objectives • Determine the effect of Sharpen and Valor applied pre-harvest on canola yield, seed moisture, and seed quality compared to diquat and swathing.

  7. Treatments

  8. Evaluations

  9. Sticky card

  10. Top pods Middle pods Bottom pods

  11. Top pods Middle pods Bottom pods

  12. Pod desiccation 1042 Minot 2010

  13. Stem desiccation 1042 Minot 2010

  14. Seed loss, yield, and quality 1042 Minot 2010

  15. Seed loss, yield, and quality 1042 Minot 2010

  16. Seed loss, yield, and quality 1042 Minot 2010

  17. Seed loss, yield, and quality CV=9 1042 Minot 2010

  18. Seed loss, yield, and quality 1042 Minot 2010

  19. Pod desiccation 1142 Minot 2011

  20. Stem desiccation 1142 Minot 2011

  21. Seed loss, yield, and quality 1142 Minot 2011

  22. Seed loss, yield, and quality 1142 Minot 2011

  23. Seed loss, yield, and quality CV=17 1142 Minot 2011

  24. Seed loss, yield, and quality CV=17 1142 Minot 2011

  25. Seed loss, yield, and quality 1142 Minot 2011

  26. 2010/2011 harvest moisture 1042 and 1142 Minot 2010 and 2011

  27. 2010/2011 green count 1042 and 1142 Minot 2010 and 2011

  28. Questions??

  29. Long-Term CanolaRotation Study North Central Research Extension Center Brian Jenks Jordan Hoefing Gary Willoughby

  30. OBJECTIVES • Document the influence of crop rotation on the incidence and severity of Sclerotinia stem rot and Blackleg in canola.

  31. Materials and Methods • Established in 2000 • 5 Rotations • 4 crops • RCBD • 4 replications • Fungicide • Ronilan (Vinclozolin) • 30’ x 180’ plots • 3 Disease Evaluations • Yield

  32. Sclerotinia Risk at 20-50% Flower

  33. Sclerotinia Incidence at Swathing

  34. Sclerotinia Severity at Swathing

  35. Blackleg Incidence at Swathing

  36. Blackleg Severity at Swathing

  37. Yield: 2010

  38. Yield: 2011

  39. Questions??

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