Wheat Pete's Word, May 29: Turning signals, the value of weed control, stripe rust and sticking with corn


It’s a long one! Peter Johnson has lots to say on this episode of Wheat Pete’s Word.

It starts with road safety. Be careful out there, especially when turning with traffic behind you. Planting is finishing up for many in Ontario, but some growers just can’t seem to catch a break and miss the rain; others have been lucky to catch timely moisture with their crop now in the ground.

Growers who have had planting delayed are now contemplating moving to soybeans, but does Ontario need more soybeans? Best to stick with shorter season corn and protect that rotation, says Johnson. Weed control is also on his mind. Delaying post-emerge weed control in corn can be costly and he has the research to prove it.

Have a question you’d like Wheat Pete to address or some field results to send in? Agree/disagree with something he’s said? Leave him a message at 1-888-746-3311, send him a tweet (@wheatpete), or email him at [email protected].


  • Be safe on the road. Equipment can create a dust storm when you move to the shoulder
  • Flashing lights can be confusing for drivers. Turn them off before you signal your turn — we need drivers to see that signal
  • Resilient Agricultural Landscape Program (RALP) intake opens June 3
  • Dollars available for reduced tillage and other management issues. Visit ontariosoilcrop.org
  • Roots in tile. What are they — trees, cover crops or (perish the thought…) wheat?
  • Check out TurnKey Genomics in Guelph. They can tell you what’s down there
  • Weather still variable across Ontario. Some areas like Glencoe, Strathroy and Drayton getting too much rain
  • Other growers thankful to catch timely rains after completing planting
  • Much of Alberta got six inches this spring — they’re happy
  • There is no equity in weather
  • Why is the soil not fit this spring? It may be a lack of deep freezes in recent years
  • Those freezes also help manage compaction
  • Late planting. Stick with corn if you can. We don’t need more soybeans
  • Maintain rotations and protect against SCN, SDS, phytophthora root rot, rhizoctonia
  • Stay the course on corn. Go to shorter day corn. Excellent 85-day corn available that yields 200 bu/ac
  • Birds love gravel knolls. Need an innovative way to keep them from wiping out planted corn. How about seeding wheat?
  • Control weeds in corn. Dr. Peter Sikkema says growers lose 1.7 bu/ac for every day weed kill is delayed. $11.00 a day
  • The weed-control-delay story is similar for canola
  • Nitrogen in wheat. Poor spread patterns for nitrogen and sulphur
  • Watch those rental spreaders — time to recycle
  • MAP with soybeans. Do you do it?
  • It could reduce population, but the phosphorous response trumps stand reduction
  • Hay yields have been unbelievable
  • Stripe rust in wheat. Genetic component is key. Highly susceptible varieties getting smoked, others are clean
  • T3 fungicide application. We sprayed for stripe rust. Do we spray twice? Yes. If the weather risk is high.

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