Managing Harvest: Staging, Pests and Losses- CCA/CCSC Quiz Question Title * 1. What does CCC recommend as the optimal seed colour change for swathing under normal conditions? 10% 30% 45% 60% Question Title * 2. In Manitoba approximately how many days does it take for canola to go from end of flowering to maturity? 25 15 45 35 Question Title * 3. Typically what moisture content would canola seed need to be below to protect it from frost damage? 40% 20% 10% 55% Question Title * 4. Which of the following could make a canola field a poor candidate for straight cutting? Dense canopy Slightly lodged Early maturing Infected with alternaria Question Title * 5. What is the normal pattern of ripening of a canola plant? Top to bottom, outside of play into middle Bottom to top, middle of plant to outside Bottom to top, outside to inside Top to bottom, inside to outside Question Title * 6. What insect did Derwyn Hammond indicate can resemble lygus bug nymphs? cabbage seedpod weevil aphid diamondback moth larva lacewing Question Title * 7. What was the longest pre-harvest interval (PHI) in days among the products registered for controlling bertha armyworm larvae in canola? 7 days 21 days 30 days 45 days Question Title * 8. In the research from Sweden looking at seed losses during straight cutting, where did the greatest header losses occur from a straight cut header? the end with a vertical knife the end with a traditional divider equal across entire header from the centre Question Title * 9. Which of the following was one of the 8 key tips for reducing harvest losses that was highlighted by Derwyn Hammond? Measure the actual loss out the back of the combine. Avoid over threshing. Machine losses should be less than 2%, hopefully 1%. Don’t assume canola separates easily. Question Title * 10. Which of the methods of measuring harvest loss was indicated to be the least accurate and most difficult to get reliable results? volume method weight method visual estimation in catch pan kernel count of seeds on ground Done