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Dry weather reduces wheat midge problem

Posted by Flaman Agriculture Jul 20, 2015

CNS is reporting that . . . .

CNS Canada — Wheat midge hasn’t been causing as many problems as first anticipated in Western Canada this year, as a dry spring hindered the pests’ emergence.

The Saskatchewan Ministry of Agriculture’s wheat midge forecast, released earlier this year, initially showed high risk levels for the insect, but the dryness is hampering their effects on crops.

“Dr. Bob Elliott’s work at Agriculture and Agri-Food Canada has shown that if you don’t get 25 mm of precipitation prior to the end of May, it will affect wheat midge emergence,” provincial insect specialist Scott Hartley said.

“Although some areas did, like down in southeast Saskatchewan was probably one area that did, there are a number of areas that didn’t — it’s just been that dry.”

Wheat midge populations need moisture by the end of May to trigger them to go into their pupal stage, so the dryness results in later, more erratic emergence.

Crop development in Western Canada this year has also varied widely along with weather conditions, which has lowered the crops’ susceptibly to midge damage.

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Posted in Crop reports | Tagged with wheat wheat midge prairie crops | More articles by Flaman Agriculture

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