Common Questions



1. What benefits does the Clearfield Production System for Wheat provide me?

 Nothing gets your fields cleaner! When you grow Clearfield® wheat, you get the power of herbicide-tolerant weed control. Combined with the unsurpassed broad-spectrum weed control of ALTITUDE® FX and ADRENALIN SC®, there is no better way to grow clean wheat on any field in any rotation than with Clearfield wheat. As well, Clearfield wheat allows you to:
  • grow wheat after any crop, including barley;
  • reseed CDC Abound and CDC Imagine varieties year after year
  • control Group 1 resistant grasses;
  • manage uncertain or heavy weed pressure situations; control tough weeds such as cleavers, chickweed, hemp-nettle, buckwheat and kochia – including Group 2 resistant kochia.
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2. What are the requirements to grow CDC Abound or CDC Imagine?

 There are a few requirements that you must follow when growing CDC Imagine and/or CDC Abound, including:
  • Signing a Clearfield Commitment with a Viterra retail location on an annual basis, for both certified and farm-saved seed
  • Having the harvested seed confirm tested* before reseeding to ensure the Clearfield trait remains
  • Using a registered BASF herbicide on the crop
*The Clearfield-CONFIRM® test is a herbicide tolerance test to ensure that Clearfield wheat seed meets the required tolerance to Clearfield wheat herbicides. This test is mandatory for growers who want to grow CDC Imagine and CDC Abound Clearfield wheat from saved seed. Growers can submit seed samples to their Viterra retail for testing. The cost of the Clearfield-CONFIRM test for wheat is reimbursed by BASF after a purchase of ALTITUDE FX or ADRENALIN SC has been made.
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3. What are the requirements to grow WR859 CL from Syngenta?

 There are a few requirements that you must follow when growing WR859 CL from Syngenta, including:
  • Signing a Clearfield Commitment at a Richardson Ag Business Centre on an annual basis
  • Using a registered BASF herbicide on the crop.
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4. Are there any grower offers for Clearfield wheat in 2010?

In 2010 Clearfield wheat growers can:
  • Save $1/ac on GEMINI™, CHARTER® RTU, DYVEL® DSP, and DYVEL for all cereal acres*.
  • Get 100% re-spray coverage for ALTITUDE® FX in the event of a broadleaf weed control failure.
  • Save up to 10% on registered Clearfield wheat herbicides.
  • Save 18% on HEADLINE fungicide.
  • Earn 2 qualifying reward acres for every Clearfield wheat acre purchased.
*Minimum purchase of 150 acres of any one or combination of Clearfield crops.
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5. Where can I buy Clearfield wheat?

 Clearfield wheat seed (CDC Imagine or CDC Abound) is available from Viterra retail outlets. The WR859 CL from Syngenta variety is available from Richardson Ag Business Centres for the 2010 season.
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6. Which BASF herbicides can be used on Clearfield wheat?

 ALTITUDE FX and ADRENALIN SC have been custom designed to work with Clearfield wheat.
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7. What can I grow the year after using ADRENALIN SC or ALTITUDE FX?

One year after applying ADRENALIN SC or ALTITUDE FX, the following crops can all be safely seeded:
Canola Durum wheat Spring barley
Canary seed** Field peas Spring wheat
Clearfield canola Flax Tame oats
Clearfield lentils** Lentils
**Follow-crops only for ADRENALIN SC. BASF continues to do research on rotational crops for the ALTITUDE FX and ADRENALIN SC label. Always read and follow current label recommendations as they pertain to follow-crop recommendations.
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8. How do I control volunteer Clearfield wheat?

 There are many options available to control volunteer Clearfield wheat, including tillage and herbicides. For herbicides, glyphosate is an important and cost-effective tool that will control volunteer Clearfield wheat. In-crop herbicide applications for pulse and oilseed crops include products like EQUINOX™ and PURSUIT® ULTRA.
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