June 4, 2025

QUIZ – Plant establishment issues

Four questions on common plant establishment issues for canola crops and one question about reseeding. Field scouters can learn a lot from walking canola fields in the first few weeks after seeding.

1. What caused this damage?

Flea beetle damage
2. What caused this damage?

Group 2 (Imazethapyr) damage in non-Clearfield canola
3. What caused this damage?

Crusting
4. What caused this damage?

Severe thinning due to seed-placed urea
5. The Canola Watch article "How to work through the reseeding decision" includes this line: An established uniform canola stand with as few as ___ plants per square foot generally has higher economic potential than a thicker stand reseeded late. (Fill in the blank)

 

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