Canola Watch quiz July 24 Question Title * 1. You find bertha armyworms at economic thresholds and you plan to spray. Before spraying, you need to estimate how many days it will be before you cut the crop. Why? (After making your choice, click "next" to learn the correct answer.) Thresholds vary based on days to harvest You want to wait until the last minute to spray Choice of product depends on pre-harvest intervals Days to harvest will determine the allowable insecticide rate Bertha armyworms stop eating 21 days before harvest Next