June 9, 2009

Slow Growth and Development Continues

Poor growing conditions due to the cold weather and repeated frosts prevailed across western Canada again last week. Canola growth and development was stalled. Canola ranges from cotyledon to 4-leaf stage and is delayed by at least two to three weeks.

In Manitoba, Growing Degree Days (GDD) to date range between 40 to 60% of normal (http://www.gov.mb.ca/agriculture/climate/wad00s00/cropwxrep.pdf).

The following maps show growing degree days thus far across western Canada: http://www.agr.gc.ca/pfra/drought/prtgdd_e.htm

The following link has more information on how temperature effects canola growth: http://www.canolacouncil.org/chapter5.aspx.

 

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