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Tag: WHEAT MIDGE

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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HEAT OF THE MOMENT

It came without warning. Prairie farmers were dealt the environmental version of poker’s 7-2 off-suit: drought conditions not seen in 20-plus years and a heat dome, which may become agriculture’s word of the year for all the wrong reasons.

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POSSIBLE PEST OUTBREAK

Over the last several years, dry conditions have led to lower wheat midge levels in Western Canada, but spring rains in 2020 appear to have sparked a potential outbreak in various regions of the Prairies. Details and confirmation of these nascent flare-ups await release of data from the annual wheat midge survey. In the meantime, greater attention to midge management may well be required in the run-up to the incoming crop year.

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MIDGE MITIGATION

The orange blossom wheat midge is a delicate, bright-orange fly. It’s half the size of a mosquito. Yet these little flies have been known to cause yield loss of more than 50 per cent in Alberta’s wheat fields.

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