QUIZ

It was a busy week for hail. Which canola crop stage is the “safest” in terms of yield loss from hail?

Seedling

Four to six-leaf

Flowering

Podding

Early instar grasshopper nymphs do not move great distances, but they still need to eat. Spraying them early while they’re confined to field edges can be a good management strategy. What is the new suggested in-crop spray threshold for grasshopper nymphs per square metre?

8-12

12-14

30-45

50-75

3. Cabbage seedpod weevils are hanging around canola fields in southern Alberta. The economic threshold is 25-40 per 10 sweeps. If numbers exceed thresholds, what is the recommended spray timing for cabbage seedpod weevil?