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Bertha armyworms are one of the most significant insect pests of canola in Canada.
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Saskatchewan Agriculture monitors the emergence of Bertha armyworm moths during the growing season using a pheromone trapping system.
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Host plants of the cabbage seedpod weevil all belong to the mustard family, and include canola, brown mustard, cole crops and cruciferous weeds.
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What damage does Cabbage Seedpod Weevil cause?
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The newsletter includes a compilation of articles relating to entomology, plant pathology, weed science, soils and agronomy issues.
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| | Regular inspection of the grain bin will help you to determine whether or not a problem exists. |
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| | In Western Canada, canola and mustard are the diamondback moth's primary targets. |
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Keeping insect infestations below significant levels through preventative measures is at the core of long term integrated pest management.
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| | Eight flea beetle species are known to attack canola, mustard, and rapeseed. |
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The grasshopper forecast map indicates that the risk of economically significant grasshopper populations.
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| | Grasshoppers are a major pest of cultivated crops and rangeland in the world's semi-arid regions. |
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In lentil, grasshoppers pose the greatest threat from the bud stage through to early pod development.
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Guide to Crop Protection provides information on the use of herbicides, fungicides and insecticides for control of weeds, plant diseases and insects.
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| | Diamondback moth larvae have been known to cause economic damage as early as late May |
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| | Ideally, the grain should be dry before being put into storage, and cooled as quickly as possible. |
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| | This publication provides information on pesticide resistance and insect, disease and weed management in a potato crop. |
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| | Red turnip beetles are an occasional pest of canola, rapeseed and mustard in the northern Great Plains of North America. |
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Infestations of wheat midge can reduce crop yields and lower the grade of the harvested grain.
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| | In Saskatchewan the start of midge emergence in southern regions is usually late June or early July. |
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Areas of infestation indicated on the forecast map of over 600 wheat midge per square metre may result in significant damage and yield loss.
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| | The wheat stem sawfly is thought to be native to North America and is found throughout the brown soil zone of the Great Plains. |
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| | Wheat stem sawfly populations have resurged as pests of serious economic importance to wheat producers on the Great Plains. |
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