Crop & Pest Report


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Canola Planting Date (5/10/12)

NDSU researchers have evaluated the effect of planting date on canola yield at different locations. Within the state there are differences in growing conditions.

Data collected for Minot from 1998, 2010, and 2011 studies, and for Langdon from 1989-1994 averages, 1992-1995 averages, 2010, and 2011 was used to construct response curves for the different locations (Fig. 1-2). Yields were expressed as percent of the highest yield obtained from each separate experiment. The graphs indicate that the yield potential decreased as the canola planting date went later into the season. At the most northern location, Langdon, the yields stayed relatively stable from the earliest plant date though the third week of May. At Minot yields tend to decrease more rapidly after the optimum seeding date (first part of May).

Canola Yield charts

Canola Growth Stages
Determining the growth stages of canola is relatively simple using a scale developed in Canada. This scale uses five principal stage designations and subdivides these into secondary stages. Many crop management recommendations are based on these specific growth stages of canola.

Growth Stages of Canola

Hans Kandel

Extension Agronomist Broadleaf Crops

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