MarketsFarm — Although it is still relatively early in the crop year, Manitoba entomologist John Gavloski strongly advises farmers to carefully watch their fields for any signs of insect pests.
Gavloski couldn’t say for sure if insect damage was going to be bad this year but based on what’s transpired over the last three years, he said it depends on conditions, especially for flea beetles and canola.
“Canola growers should definitely be scouting for flea beetles. A large degree of how much damage they cause will be determined by how quickly the plants are germinating and growing through those seedling stages,” he said.
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“If we get weather conditions where there is quick germination and quick seedling growth, the seed treatments might be all that we need to protect from the flea beetles. If growth seems to stall in that seedling stage, that can sometimes result in the seed treatment wearing out and people are having to spray.”
Gavloski also advised to watch for signs of cutworms in canola, wheat, sunflowers and other crops.
“A couple of years ago we had some really high levels. Things seem to be tailing off a bit, but there are probably still areas where cutworms could be economical,” he said.
Grasshoppers are another potential pest that need to be high on one’s scouting list. Gavloski noted the last few years have been “conducive for grasshopper populations to build.”
Besides the above three pests, the entomologist said there’s always a chance of the winds carrying in other pests — something that cannot be predetermined. Besides scouting for insects, he suggested farmers review the Manitoba crop pest updates.
— Glen Hallick reports for MarketsFarm from Winnipeg.
