North Central Canola Research Program


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Fall-Seeded Winter-Type Canola Evaluations in Minnesota

Fall-Seeded Winter-Type Canola Evaluations in Minnesota
Paul Porter, University of Minnesota - $3,700

Currently, there is not a fall-seeded winter-type canola grown in Minnesota or North Dakota, there are a number of agronomic reasons that make this type of canola attractive to this environment. One reason is that precipitation in the spring often makes it difficult to plant spring-seeded spring-type canola in a timely fashion. This is especially true in the regions of Minnesota that have heavier soils which are slow to dry out in the spring. In 2001, canola acreage in Minnesota was approximately half to that of the previous year - primarily due to wet soil conditions. Another compelling reason to evaluate a fall-seeded crop is to make better use of excess soil moisture as well as the thermal units available for plant growth and development.

1. Evaluate the performance of selected fall-seeded winter-type canola (Brassica napus) cultivars sown on three dates at three Minnesota locations.
2. Analyze the climatic patterns at various Minnesota locations to determine: the probability of adequate soil moisture for germination and early plant development at different fall planting dates; the probability of adequate accumulated thermal units from selected fall planting dates until fall freeze-up; and the probability dates of snow melt and spring regrowth.

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