Manitoba Insect & Disease Update – Issue 6: June 22, 2016

The Manitoba Insect and Disease Update is now posted at: http://www.gov.mb.ca/agriculture/crops/seasonal-reports/insect-report-archive/insect-report-2016-06-22.html

Some highlights from the update:

Insects:

  • Cutworm and flea beetle levels and damage continues to decline.
  • Alfalfa weevil is being noted at high levels in some alfalfa fields
  • Barley thrips are quite noticeable in some barley fields in Eastern Manitoba.
  • Low levels of English gain aphid and oat-birdcherry aphid are being found in some cereal fields.
  • Pea aphid is showing up in some pea crops.

Plant Pathogens:

  • Cereal rust diseases continue to develop and spread.
  • Bacterial blight symptoms in winter wheat and oats were also reported.
  • Root rot pathogens continue to cause problems in soybean fields.

Submitted by: John Gavloski, Entomologist & Pratisara Bajracharya, Field Crop Pathologist, Manitoba Agriculture

Manitoba Agriculture website: www.manitoba.ca/agriculture
Manitoba Agriculture on Twitter: @MBGovAg
Manitoba Agriculture on YouTube: www.youtube.com/ManitobaAgriculture

 

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