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The most accurate method to estimate diamondback moth population density in canola is to count larvae in several locations throughout the field, and determine

Moisture has a much larger influence than temperature when it comes to sclerotinia risk. Infection can be high in hot weather as long as

As canola starts to move from flowering and into pod formation, growers will often notice blanks up the raceme where pods did not form.

Cabbage seedpod weevil numbers are high in some regions of southern Alberta and southwestern Saskatchewan. The map shows CSPW reach for 2012. Growers and

Many canola fields have a combination of insects feeding on the crop. An “additive” effect is possible when more than one species are feeding

Leafhopper populations are building, which could increase the risk for aster yellows. Even so, there is not really a good case for spraying for

The ideal time for a sulphur top up is any time before flowering, but a top up at early flowering may pay off if

Three of the top 10 have to do with moisture, the key risk factor for sclerotinia stem rot.

Cabbage seedpod weevil numbers are high in some regions of southern Alberta and southwestern Saskatchewan. Growers and agronomists are encouraged to scout canola fields,

With rainfall general across the Prairies — excessive in certain areas — and with flowering just around the corner, the sclerotinia stem rot risk

1. Have a plan to manage clubroot. Don’t wait until clubroot manages you. Whether you’re a farmer, agronomist, county/municipal staff, extension, or from the

Wet soils cause an oxygen deficiency, which reduces root respiration and growth. Root failure reduces nutrient uptake, and plants will eventually die unless drowned