Manitoba Insect & Disease Update – Issue 4: June 8, 2016

The Manitoba Insect and Disease Update for this week is now posted at: http://www.gov.mb.ca/agriculture/crops/seasonal-reports/insect-report-archive/insect-report-2016-06-08.html

Insects: Cutworms are getting larger and have been an issue in some fields. The highest level of damage appears to be in the Northwest, where there has been some reseeding because of cutworm feeding. Flea beetle feeding continues, although foliar use of insecticides for flea beetle management has not been widespread. In many fields plants are now getting to stages more tolerant to feeding by flea beetles.

Plant Pathogens: Stripe rust has been detected in Manitoba. Scout for stripe rust and report any detection. Stripe rust incidences will need to be closely monitored.

Stripe Rust in Winter Wheat Near Gladstone, MB (June 8, 2016)_A.Knaggs

Stripe Rust in Winter Wheat Near Gladstone, MB (June 8, 2016). Photo by A. Knaggs.

To be placed on an E-mail list so you will be notified immediately when new Manitoba Insect and Disease Updates are posted, please contact John Gavloski at 204.745.5668.

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

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