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Design of pollen-mediated gene flow experiment in flax at all the locations and years. The pollen source flax cultivar (AC MCDuff) was seeded in the area of 20 × 20 m in the center of the field. The pollen receptor solin flax cultivar (SP 2090) was grown in the surrounding 120 × 120 m area. After flowering but before harvesting, the pollen receptor area was divided in eight blocks, crop between blocks removed and flax seed samples were collected at specific distances.
