Wheat Pete's Word, May 9: Thin wheat, cereal leaf beetles, and the weed that keeps resisting

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In today’s episode of Wheat Pete’s Word, resident agronomist and host Peter Johnson talks crop progress (with some surprising comparisons to last year); thin wheat; no-no’s in herbicide application; water jet technology; and, a scary new finding of herbicide resistance in the province.

Find a summary of all of today’s show topics and times below the audio.

Have a question you’d like Johnson to address? Or some yield results to send in? Leave him a message at 1-888-746-3311, send him a tweet (@wheatpete), or email him at [email protected].

Summary:

  • 00:35 – It’s warm and we’re flying! A look at the year so far (including some incredible crop heat units).
  • 02:00 – Spotty rain in Ontario over the weekend. If you haven’t turned a wheel yet, take a breath! There’s time.
  • 02:50 – A Run for 101. The importance of challenging ourselves.
  • 04:00 – Some talk on herbicides and cover crops. Please, no incorportation of Dicamba or 2,4-D.
  • 05:40 – Cereal rye into soybeans. Do I spray now, before cover crop starts to grow, or leave it to green up first?
  • 06:25 – Updates on winter wheat variability across the province.
  • 07:15 – If the wheat crop is two weeks behind, will it be two weeks longer to harvest?
  • 07:55 – Cereal leaf beetles being found in the wheat crop! Scout, scout, scout!
  • 08:20 – Decision time on thin wheat. When to take it out, when to leave it be.
  • 09:25 – Should I just throw fungicide into the tank when we are spraying herbicides, even though disease pressure isn’t there yet?
  • 10:20 – Do we need to go to higher rates of sulphur?
  •  10:55 – If I put on 10lb sulphur (ATS) with 50 lb nitrogen in first pass, do I need to dilute that?
  • 11:55 – Red clover going on, but a problem with fleabane. What to do for herbicides?
  • 12:27 – Managing red clover for seed production.
  • 13:30 – What is water jet technology?
  • 14:35 – Group 1 resistant crabgrass — do I assume, or test?
  • 15:13 – Alert! Alert! Alert! Finding waterhemp with resistance to Group 2, 5, 9, and 14 chemistries.

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