SUNFLOWER POLLINATION / SAMPLING

Why Field-Edge Bee Counts Can Mislead in Sunflowers

High activity at field edges can hide lower visitation farther into the stand. For large sunflower fields, spatial sampling is essential if the goal is to understand effective whole-field pollination.

Use transects

Observe several distances from the edge toward the center.

Track head visitation

Measure visits to flower heads, not just flying insects.

Pair with seed set

Compare visitation zones with filled-seed percentage later.

Repeat at different times

Daily activity can shift with heat and wind.

USE THIS IN THE FIELDBuild a crop + location planning brief.

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