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If conditions are dry at early flower and then it rains at 40% to 50% flower, spraying at the end of the window may

Small amounts of spores can lead to yield-robbing levels of sclerotinia in continued moist conditions. A petal test to confirm the presence of sclerotinia

Grasshoppers can thrive in hot weather. The nominal threshold for grasshoppers in canola is 7-12 per square meter, with the low end more appropriate

In light hail, canola can sometime over-compensate and produce even higher yield. In serious hail situations where entire flowering branches are knocked off, plants

Check patches of prematurely ripening canola for signs up disease. Dig up roots to check for clubroot galls. Early infection at the seedling stage

What’s in your sweep net?

Hot weather during flowering can increase flower and pod abortion and reduce overall yield potential. Return on investment from a fungicide applications is more

Thresholds for diamondback moth larvae are 100-150 larvae per square meter in immature to flowering plants and 200-300 larvae per square meter in plants

In very dry conditions: If canola is $12 per bushel and spray costs $8 per acre, the threshold at the early pod stage is

Thresholds for lygus bugs and cabbage seedpod weevil are based on a specific sweep net technique. If you’re not doing a complete 180° pattern,

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

While scouting for flower staging, canopy moisture and pod-feeding insects, also take a look for deformed buds and growing points, small pale flowers and