CanoLAB Picture-Quiz Answer Sheet

A couple of weeks ago, we posted a CanoLAB Quiz on our Facebook page, to test our readers’ knowledge of various problems they might encounter in a canola field. I’m not going to say I was overly impressed by the outcome of the quiz, but the few people who participated had far more fun than I anticipated. And, having promised to provide the answers, here they are, interspersed with other photos from the CanoLAB held in Saskatoon, Saskatchewan.


This greenhouse tub highlights the difference in emergence for shallow versus deep-seeded canola and the importance of depth control.


Here, the importance of thousand seed weight (known more commonly as thousand kernel weight or TKW)is shown in a greenhouse trial with canola seed at 2.8, 5.4 and 7.5 grams per thousand seeds.


This tub has been subjected to cold temperatures, leaving frosty canola plants. In the days following a frost, the best thing you can do is go fishing


Alright, this diagnosis was pretty easy. Here we have clubroot, the infamous disease which has been confirmed in all three of Canada’s prairie provinces.


Beautiful fall colours do not belong in a canola plant, and neither does the clubroot that’s causing these.

boron seed-row toxicity canola seedlings

These seedlings were planted February 20, with the picture taken March 5. The left side was seeded without the addition of boron, while the right was sowed with seed-placed boron.


CanoLAB participants having the opportunity to learn how to diagnose and understand insects, both beneficial and otherwise.


Do you know how to diagnose nutrient deficiencies in canola? Here, participants had the opportunity to learn some of the key differences in symptomology.

Canola Council of Canada’s Dan Orchard pulling apart clubroot-infected canola for a hesitant, but curious crowd.



Debra Murphy

Debra Murphy is a Field Editor based out of central Alberta, where she never misses a moment to capture with her camera the real beauty of agriculture. Follow her on Twitter @RealAg_Debra


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