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Nine images of discoloured canola. Can you identify the cause for each?

The ideal timing for fertilizer application is at seeding, but there are times when an in-crop top up of nitrogen or sulphur makes sense.

One weed management job for this week is to check fields about a week after spraying to make sure weeds are dying as expected.

Slugs have been found feeding on canola in wet areas of Alberta. Some fields are starting to flower – which means we have to

Tissue sampling can be used to diagnose crop problems that may be nutritionally related and to identify any nutrients that may be limiting yields.

Four scenarios with “Yes” or “No” answers on application timing.

For canola fields that have not been sprayed this year, effective weed control may come down to one herbicide application – so make that

Early season hail rarely has an impact on canola yield potential because hailed seedlings usually survive. Delayed maturity may result.

Improved crop moisture may have improved the yield potential of canola crops. If nutrient availability does not match this new yield potential, in-crop top-dressing

The seeds might have germinated and the stems might be taking their sweet time in breaking the soil surface. Why so slow? Could be

No major outbreaks to report this week, but include cutworms in the field scouting checklist, and watch flea beetles until crop reaches the 4-leaf

You’re out scouting and you see gaps where canola plants should be. The following images show damage that often leads to seedling death (and