SeCan has discovered that the majority of soft white wheat varieties grown in western Canada contain the Sm1 trait for midge tolerance and now require stewardship.

SeCan confirmed that the following SeCan varieties carry Sm1 and are midge tolerant:

  • AAC Awesome (CWSP)
  • AAC Indus
  • AC Sadash

AAC Paramount has been confirmed by the new marker but needs field confirmation to be 100 per cent sure. AC Andrew has been tested by marker and in the field and does not contain Sm1, making it an appropriate refuge for all tolerant varieties.

SWS has been grown without a refuge, putting the Sm1 trait at risk. SeCan will add refuge to all future seed stocks released to SeCan members of AAC Awesome, AAC Paramount (once field results confirm resistance), AAC Indus and AC Sadash.

Click here to read the full press release.

 

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