Canola Watch quiz – Stand establishment Jay Whetter May 22, 2019 Leave a Comment 1. You need three things to figure out emergence percentage. What are they?Seeding rate, 1,000-seed weight, plant counts Seed depth, seeding speed and growth stageSoil temperature, seed depth and 1,000-seed weightSeeding rate, seeding speed and seed depth 2. Your assessing the stand and have 3 plants per square foot, on average. Your seed size was 6g. Your seeding rate was 4 lb/ac. What is your emergence percentage? Hint: Plug these numbers into the Plant Survival calculator at canolacalculator.ca. 33%43%56%66% 3. You want to modify your child’s hula hoop for 1/4m2 plant counts. What should the inside diameter be? 33cm43cm56cm66cm 4. When should you start scouting for emergence issues? (Choose the best answer.)At expected emergenceBefore expected emergence7 days after seeding21 days after seeding 5. At what crop stage do you make your ‘official’ spring emergence count?7 days after seedingcotyledon2- to 4-leaf stage 21 days after seeding 6. What caused this seedling to die? CutwormFrostFusariumRhizoctonia Loading...
