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Tag: WHEAT STEM SAWFLY

A RACE AGAINST TIME

CWRS farmers in widespread pockets of the western Prairies have experienced increased wheat stem sawfly populations in recent years. Researchers and agronomists are concerned the pest may become increasingly prevalent if drought conditions continue.

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INDISPENSABLE INSECT COUNTS

Those orange and red, blob-like areas on insect survey maps are a farmer’s cue to action. Fields seeded with certain crops and located in and around these hotspots may require individual assessment and population control. Among cereal farmers, the most anticipated of these maps are those for grasshoppers, wheat stem sawfly and wheat midge.

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WHEAT STEM SAWFLY THREAT HEATS UP

Many Prairie crops did poorly in the high summer temperatures of 2021, but the wheat stem sawfly thrives in such conditions. The beneficial insect populations that prey upon the sawfly were also knocked back by the heat, which has given the cereal pest another leg up. To size up the sawfly situation for the current crop year, GrainsWest spoke with Meghan Vankosky, Agriculture and Agri-Food Canada entomology research scientist and co-chair of the Prairie Pest Monitoring Network.

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