Canola School: Sweep well ahead of deciding to spray for cabbage seed pod weevil

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By early July, many canola fields across the Prairies are in the beginning stages of bolting. According to Héctor Cárcamo, research scientist with Agriculture and Agri-Food Canada at Lethbridge, Alta., that’s a great time to start thinking about the cabbage seed pod weevil. Before worrying about thresholds and spray timing for the insect pest that can… Read More