Canola Watch quiz: Emergence scouting Jay Whetter May 25, 2017 Leave a Comment While doing your emergence scouting, here are a few things to look for…. 1. What caused the lesion on this canola leaf? BlacklegFusariumPythiumRhizoctonia 2. How much of this leaf area has been lost to flea beetles? 10253550 3. How much of this leaf area has been lost to flea beetles? 10253550 4. What caused the damage to this one cotyledon? CutwormsFrostHerbicide residueSeedling disease 5. And finally, another weed ID. What is it? Hemp nettleRedroot pigweedRound-leaved mallowStinkweed Loading...